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1. Large-scale Cosmic-ray Anisotropies with 19 yr of Data from the Pierre Auger Observatory

Author: A. Abdul Halim, P. Abreu, M. Aglietta, I. Allekotte, K. Almeida Cheminant, A. Almela, R. Aloisio, J. Alvarez-Muñiz, A. Ambrosone, J. Ammerman Yebra, G. A. Anastasi, L. Anchordoqui, B. Andrada, L. Andrade Dourado, S. Andringa, L. Apollonio, C. Aramo, P. R. Araújo Ferreira, E. Arnone, J. C. Arteaga Velázquez, P. Assis, G. Avila, E. Avocone, A. Bakalova, F. Barbato, A. Bartz Mocellin, J. A. Bellido, C. Berat, M. E. Bertaina, G. Bhatta, M. Bianciotto, P. L. Biermann, V. Binet, K. Bismark, T. Bister, J. Biteau, J. Blazek, C. Bleve, J. Blümer, M. Boháčová, D. Boncioli, C. Bonifazi, L. Bonneau Arbeletche, N. Borodai, J. Brack, P. G. Brichetto Orchera, F. L. Briechle, A. Bueno, S. Buitink, M. Buscemi, M. Büsken, A. Bwembya, K. S. Caballero-Mora, S. Cabana-Freire, L. Caccianiga, F. Campuzano, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, B. Čermáková, A. Cermenati, J. A. Chinellato, J. Chudoba, L. Chytka, R. W. Clay, A. C. Cobos Cerutti, R. Colalillo, R. Conceição, A. Condorelli, G. Consolati, M. Conte, F. Convenga, D. Correia dos Santos, P. J. Costa, C. E. Covault, M. Cristinziani, C. S. Cruz Sanchez, S. Dasso, K. Daumiller, B. R. Dawson, R. M. de Almeida, B. de Errico, J. de Jesús, S. J. de Jong, J. R. T. de Mello Neto, I. De Mitri, J. de Oliveira, D. de Oliveira Franco, F. de Palma, V. de Souza, E. De Vito, A. Del Popolo, O. Deligny, N. Denner, L. Deval, A. di Matteo, C. Dobrigkeit, J. C. D’Olivo, L. M. Domingues Mendes, Q. Dorosti, J. C. dos Anjos, R. C. dos Anjos, J. Ebr, F. Ellwanger, M. Emam, R. Engel, I. Epicoco, M. Erdmann, A. Etchegoyen, C. Evoli, H. Falcke, G. Farrar, A. C. Fauth, T. Fehler, F. Feldbusch, A. Fernandes, B. Fick, J. M. Figueira, P. Filip, A. Filipčič, T. Fitoussi, B. Flaggs, T. Fodran, M. Freitas, T. Fujii, A. Fuster, C. Galea, B. García, C. Gaudu, P. L. Ghia, U. Giaccari, F. Gobbi, F. Gollan, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, J. M. González, N. González, D. Góra, A. Gorgi, M. Gottowik, F. Guarino, G. P. Guedes, E. Guido, L. Gülzow, S. Hahn, P. Hamal, M. R. Hampel, P. Hansen, V. M. Harvey, A. Haungs, T. Hebbeker, C. Hojvat, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, A. Insolia, P. G. Isar, P. Janecek, V. Jilek, J. Jurysek, K.-H. Kampert, B. Keilhauer, A. Khakurdikar, V. V. Kizakke Covilakam, H. O. Klages, M. Kleifges, F. Knapp, J. Köhler, F. Krieger, M. Kubatova, N. Kunka, B. L. Lago, N. Langner, M. A. Leigui de Oliveira, Y. Lema-Capeans, A. Letessier-Selvon, I. Lhenry-Yvon, L. Lopes, J. P. Lundquist, A. Machado Payeras, D. Mandat, B. C. Manning, P. Mantsch, F. M. Mariani, A. G. Mariazzi, I. C. Mariş, G. Marsella, D. Martello, S. Martinelli, O. Martínez Bravo, M. A. Martins, H.-J. Mathes, J. Matthews, G. Matthiae, E. Mayotte, S. Mayotte, P. O. Mazur, G. Medina-Tanco, J. Meinert, D. Melo, A. Menshikov, C. Merx, S. Michal, M. I. Micheletti, L. Miramonti, S. Mollerach, F. Montanet, L. Morejon, K. Mulrey, R. Mussa, W. M. Namasaka, S. Negi, L. Nellen, K. Nguyen, G. Nicora, M. Niechciol, D. Nitz, D. Nosek, V. Novotny, L. Nožka, A. Nucita, L. A. Núñez, C. Oliveira, M. Palatka, J. Pallotta, S. Panja, G. Parente, T. Paulsen, J. Pawlowsky, M. Pech, J. Pȩkala, R. Pelayo, V. Pelgrims, L. A. S. Pereira, E. E. Pereira Martins, C. Pérez Bertolli, L. Perrone, S. Petrera, C. Petrucci, T. Pierog, M. Pimenta, M. Platino, B. Pont, M. Pothast, M. Pourmohammad Shahvar, P. Privitera, M. Prouza, S. Querchfeld, J. Rautenberg, D. Ravignani, J. V. Reginatto Akim, A. Reuzki, J. Ridky, F. Riehn, M. Risse, V. Rizi, E. Rodriguez, J. Rodriguez Rojo, M. J. Roncoroni, S. Rossoni, M. Roth, E. Roulet, A. C. Rovero, A. Saftoiu, M. Saharan, F. Salamida, H. Salazar, G. Salina, P. Sampathkumar, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, R. Sato, C. M. Schäfer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, D. Schmidt, O. Scholten, H. Schoorlemmer, P. Schovánek, F. G. Schröder, J. Schulte, T. Schulz, S. J. Sciutto, M. Scornavacche, A. Sedoski, A. Segreto, S. Sehgal, S. U. Shivashankara, G. Sigl, K. Simkova, F. Simon, R. Šmída, P. Sommers, R. Squartini, M. Stadelmaier, S. Stanič, J. Stasielak, P. Stassi, S. Strähnz, M. Straub, T. Suomijärvi, A. D. Supanitsky, Z. Svozilikova, Z. Szadkowski, F. Tairli, A. Tapia, C. Taricco, C. Timmermans, O. Tkachenko, P. Tobiska, C. J. Todero Peixoto, B. Tomé, Z. Torrès, A. Travaini, P. Travnicek, M. Tueros, M. Unger, R. Uzeiroska, L. Vaclavek, M. Vacula, J. F. Valdés Galicia, L. Valore, E. Varela, V. Vašíčková, A. Vásquez-Ramírez, D. Veberič, I. D. Vergara Quispe, V. Verzi, J. Vicha, J. Vink, S. Vorobiov, C. Watanabe, A. A. Watson, A. Weindl, M. Weitz, L. Wiencke, H. Wilczyński, D. Wittkowski, B. Wundheiler, B. Yue, A. Yushkov, O. Zapparrata, E. Zas, D. Zavrtanik, M. Zavrtanik, and The Pierre Auger Collaboration
Subjects: Ultra-high-energy cosmic radiation, Astrophysics, QB460-466
Abstract: Results are presented for the measurement of large-scale anisotropies in the arrival directions of ultra–high-energy cosmic rays detected at the Pierre Auger Observatory during 19 yr of operation, prior to AugerPrime, the upgrade of the observatory. The 3D dipole amplitude and direction are reconstructed above 4 EeV in four energy bins. Besides the established dipolar anisotropy in R.A. above 8 EeV, the Fourier amplitude of the 8–16 EeV energy bin is now also above the 5 σ discovery level. No time variation of the dipole moment above 8 EeV is found, setting an upper limit to the rate of change of such variations of 0.3% yr ^−1 at the 95% confidence level. Additionally, the results for the angular power spectrum are shown, demonstrating no other statistically significant multipoles. The results for the equatorial dipole component down to 0.03 EeV are presented, using for the first time a data set obtained with a trigger that has been optimized for lower energies. Finally, model predictions are discussed and compared with observations, based on two source emission scenarios obtained in the combined fit of spectrum and composition above 0.6 EeV.
Published: 2024
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2. The energy spectrum of cosmic rays beyond the turn-down around $$\varvec{10^{17}}$$ 10 17 eV as measured with the surface detector of the Pierre Auger Observatory

Author: P. Abreu, M. Aglietta, J. M. Albury, I. Allekotte, A. Almela, J. Alvarez-Muñiz, R. Alves Batista, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, P. R. Araújo Ferreira, J. C. Arteaga Velázquez, H. Asorey, P. Assis, G. Avila, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R. J. Barreira Luz, K. H. Becker, J. A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, P. L. Biermann, P. Billoir, V. Binet, K. Bismark, T. Bister, J. Biteau, J. Blazek, C. Bleve, M. Boháčová, D. Boncioli, C. Bonifazi, L. Bonneau Arbeletche, N. Borodai, A. M. Botti, J. Brack, T. Bretz, P. G. Brichetto Orchera, F. L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, M. Büsken, K. S. Caballero-Mora, L. Caccianiga, F. Canfora, I. Caracas, J. M. Carceller, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, J. A. Chinellato, J. Chudoba, L. Chytka, R. W. Clay, A. C. Cobos Cerutti, R. Colalillo, A. Coleman, M. R. Coluccia, R. Conceição, A. Condorelli, G. Consolati, F. Contreras, F. Convenga, D. Correia dos Santos, C. E. Covault, S. Dasso, K. Daumiller, B. R. Dawson, J. A. Day, R. M. de Almeida, J. de Jesús, S. J. de Jong, G. De Mauro, J. R. T. de Mello Neto, I. De Mitri, J. de Oliveira, D. de Oliveira Franco, F. de Palma, V. de Souza, E. De Vito, M. del Río, O. Deligny, A. Di Matteo, C. Dobrigkeit, J. C. D’Olivo, L. M. Domingues Mendes, R. C. dos Anjos, D. dos Santos, M. T. Dova, J. Ebr, R. Engel, I. Epicoco, M. Erdmann, C. O. Escobar, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A. C. Fauth, N. Fazzini, F. Feldbusch, F. Fenu, B. Fick, J. M. Figueira, A. Filipčič, T. Fitoussi, T. Fodran, M. M. Freire, T. Fujii, A. Fuster, C. Galea, C. Galelli, B. García, A. L. Garcia Vegas, H. Gemmeke, F. Gesualdi, A. Gherghel-Lascu, P. L. Ghia, U. Giaccari, M. Giammarchi, J. Glombitza, F. Gobbi, F. Gollan, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, J. M. González, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, E. Guido, S. Hahn, P. Hamal, M. R. Hampel, P. Hansen, D. Harari, V. M. Harvey, A. Haungs, T. Hebbeker, D. Heck, G. C. Hill, C. Hojvat, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, A. Insolia, P. G. Isar, P. Janecek, J. A. Johnsen, J. Jurysek, A. Kääpä, K. H. Kampert, N. Karastathis, B. Keilhauer, J. Kemp, A. Khakurdikar, V. V. Kizakke Covilakam, H. O. Klages, M. Kleifges, J. Kleinfeller, M. Köpke, N. Kunka, B. L. Lago, R. G. Lang, N. Langner, M. A. Leigui de Oliveira, V. Lenok, A. Letessier-Selvon, I. Lhenry-Yvon, D. Lo Presti, L. Lopes, R. López, L. Lu, Q. Luce, J. P. Lundquist, A. Machado Payeras, G. Mancarella, D. Mandat, B. C. Manning, J. Manshanden, P. Mantsch, S. Marafico, A. G. Mariazzi, I. C. Mariş, G. Marsella, D. Martello, S. Martinelli, H. Martinez, O. Martínez Bravo, M. Mastrodicasa, H. J. Mathes, J. Matthews, G. Matthiae, E. Mayotte, P. O. Mazur, G. Medina-Tanco, D. Melo, A. Menshikov, K.-D. Merenda, S. Michal, M. I. Micheletti, L. Miramonti, D. Mockler, S. Mollerach, F. Montanet, C. Morello, M. Mostafá, A. L. Müller, M. A. Muller, K. Mulrey, R. Mussa, M. Muzio, W. M. Namasaka, A. Nasr-Esfahani, L. Nellen, M. Niculescu-Oglinzanu, M. Niechciol, D. Nitz, D. Nosek, V. Novotny, L. Nožka, A. Nucita, L. A. Núñez, M. Palatka, J. Pallotta, P. Papenbreer, G. Parente, A. Parra, J. Pawlowsky, M. Pech, F. Pedreira, J. Pȩkala, R. Pelayo, J. Peña-Rodriguez, E. E. Pereira Martins, J. Perez Armand, C. Pérez Bertolli, M. Perlin, L. Perrone, S. Petrera, T. Pierog, M. Pimenta, V. Pirronello, M. Platino, B. Pont, M. Pothast, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M. J. Roncoroni, M. Roth, E. Roulet, A. C. Rovero, P. Ruehl, S. J. Saffi, A. Saftoiu, F. Salamida, H. Salazar, G. Salina, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, C. Sarmiento-Cano, R. Sato, P. Savina, C. M. Schäfer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, P. Schovánek, F. G. Schröder, S. Schröder, J. Schulte, A. Schulz, S. J. Sciutto, M. Scornavacche, A. Segreto, S. Sehgal, R. C. Shellard, G. Sigl, G. Silli, O. Sima, R. Šmída, P. Sommers, J. F. Soriano, J. Souchard, R. Squartini, M. Stadelmaier, D. Stanca, S. Stanič, J. Stasielak, P. Stassi, A. Streich, M. Suárez-Durán, T. Sudholz, T. Suomijärvi, A. D. Supanitsky, Z. Szadkowski, A. Tapia, C. Taricco, C. Timmermans, O. Tkachenko, P. Tobiska, C. J. Todero Peixoto, B. Tomé, Z. Torrès, A. Travaini, P. Travnicek, C. Trimarelli, M. Tueros, R. Ulrich, M. Unger, L. Vaclavek, M. Vacula, J. F. Valdés Galicia, L. Valore, E. Varela, A. Vásquez-Ramírez, D. Veberič, C. Ventura, I. D. Vergara Quispe, V. Verzi, J. Vicha, J. Vink, S. Vorobiov, H. Wahlberg, C. Watanabe, A. A. Watson, M. Weber, A. Weindl, L. Wiencke, H. Wilczyński, M. Wirtz, D. Wittkowski, B. Wundheiler, A. Yushkov, O. Zapparrata, E. Zas, D. Zavrtanik, M. Zavrtanik, L. Zehrer, and Pierre Auger Collaboration
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract We present a measurement of the cosmic-ray spectrum above 100 PeV using the part of the surface detector of the Pierre Auger Observatory that has a spacing of 750 m. An inflection of the spectrum is observed, confirming the presence of the so-called second-knee feature. The spectrum is then combined with that of the 1500 m array to produce a single measurement of the flux, linking this spectral feature with the three additional breaks at the highest energies. The combined spectrum, with an energy scale set calorimetrically via fluorescence telescopes and using a single detector type, results in the most statistically and systematically precise measurement of spectral breaks yet obtained. These measurements are critical for furthering our understanding of the highest energy cosmic rays.
Published: 2021
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3. Direct measurement of the muonic content of extensive air showers between $$\mathbf { 2\times 10^{17}}$$ 2×1017 and $$\mathbf {2\times 10^{18}}~$$ 2×1018 eV at the Pierre Auger Observatory

Author: A. Aab, P. Abreu, M. Aglietta, J. M. Albury, I. Allekotte, A. Almela, J. Alvarez Castillo, J. Alvarez-Muñiz, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, P. R. Araújo Ferreira, H. Asorey, P. Assis, G. Avila, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R. J. Barreira Luz, K. H. Becker, J. A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, P. L. Biermann, T. Bister, J. Biteau, A. Blanco, J. Blazek, C. Bleve, M. Boháčová, D. Boncioli, C. Bonifazi, L. Bonneau Arbeletche, N. Borodai, A. M. Botti, J. Brack, T. Bretz, F. L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, K. S. Caballero-Mora, L. Caccianiga, L. Calcagni, A. Cancio, F. Canfora, I. Caracas, J. M. Carceller, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, J. A. Chinellato, K. Choi, J. Chudoba, L. Chytka, R. W. Clay, A. C. Cobos Cerutti, R. Colalillo, A. Coleman, M. R. Coluccia, R. Conceição, A. Condorelli, G. Consolati, F. Contreras, F. Convenga, C. E. Covault, S. Dasso, K. Daumiller, B. R. Dawson, J. A. Day, R. M. de Almeida, J. de Jesús, S. J. de Jong, G. De Mauro, J. R. T. de Mello Neto, I. De Mitri, J. de Oliveira, D. de Oliveira Franco, V. de Souza, J. Debatin, M. del Río, O. Deligny, N. Dhital, A. Di Matteo, M. L. Díaz Castro, C. Dobrigkeit, J. C. D’Olivo, Q. Dorosti, R. C. dos Anjos, M. T. Dova, J. Ebr, R. Engel, I. Epicoco, M. Erdmann, C. O. Escobar, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A. C. Fauth, N. Fazzini, F. Feldbusch, F. Fenu, B. Fick, J. M. Figueira, A. Filipčič, M. M. Freire, T. Fujii, A. Fuster, C. Galea, C. Galelli, B. García, A. L. Garcia Vegas, H. Gemmeke, F. Gesualdi, A. Gherghel-Lascu, P. L. Ghia, U. Giaccari, M. Giammarchi, M. Giller, J. Glombitza, F. Gobbi, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, E. Guido, S. Hahn, R. Halliday, M. R. Hampel, P. Hansen, D. Harari, V. M. Harvey, A. Haungs, T. Hebbeker, D. Heck, G. C. Hill, C. Hojvat, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, J. Hulsman, A. Insolia, P. G. Isar, J. A. Johnsen, J. Jurysek, A. Kääpä, K. H. Kampert, B. Keilhauer, J. Kemp, H. O. Klages, M. Kleifges, J. Kleinfeller, M. Köpke, G. Kukec Mezek, B. L. Lago, D. LaHurd, R. G. Lang, M. A. Leigui de Oliveira, V. Lenok, A. Letessier-Selvon, I. Lhenry-Yvon, D. Lo Presti, L. Lopes, R. López, A. López Casado, R. Lorek, Q. Luce, A. Lucero, A. Machado Payeras, M. Malacari, G. Mancarella, D. Mandat, B. C. Manning, J. Manshanden, P. Mantsch, A. G. Mariazzi, I. C. Mariş, G. Marsella, D. Martello, H. Martinez, O. Martínez Bravo, M. Mastrodicasa, H. J. Mathes, J. Matthews, G. Matthiae, E. Mayotte, P. O. Mazur, G. Medina-Tanco, D. Melo, A. Menshikov, K.-D. Merenda, S. Michal, M. I. Micheletti, L. Miramonti, D. Mockler, S. Mollerach, F. Montanet, C. Morello, M. Mostafá, A. L. Müller, M. A. Muller, S. Müller, R. Mussa, M. Muzio, W. M. Namasaka, L. Nellen, M. Niculescu-Oglinzanu, M. Niechciol, D. Nitz, D. Nosek, V. Novotny, L. Nožka, A Nucita, L. A. Núñez, M. Palatka, J. Pallotta, M. P. Panetta, P. Papenbreer, G. Parente, A. Parra, M. Pech, F. Pedreira, J. Pȩkala, R. Pelayo, J. Peña-Rodriguez, J. Perez Armand, M. Perlin, L. Perrone, C. Peters, S. Petrera, T. Pierog, M. Pimenta, V. Pirronello, M. Platino, B. Pont, M. Pothast, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, P. Ristori, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M. J. Roncoroni, M. Roth, E. Roulet, A. C. Rovero, P. Ruehl, S. J. Saffi, A. Saftoiu, F. Salamida, H. Salazar, G. Salina, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, C. Sarmiento-Cano, R. Sato, P. Savina, C. Schäfer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, P. Schovánek, F. G. Schröder, S. Schröder, S. J. Sciutto, M. Scornavacche, R. C. Shellard, G. Sigl, G. Silli, O. Sima, R. Šmída, P. Sommers, J. F. Soriano, J. Souchard, R. Squartini, M. Stadelmaier, D. Stanca, S. Stanič, J. Stasielak, P. Stassi, A. Streich, M. Suárez-Durán, T. Sudholz, T. Suomijärvi, A. D. Supanitsky, J. Šupík, Z. Szadkowski, A. Taboada, O. A. Taborda, A. Tapia, C. Timmermans, P. Tobiska, C. J. Todero Peixoto, B. Tomé, G. Torralba Elipe, A. Travaini, P. Travnicek, C. Trimarelli, M. Trini, M. Tueros, R. Ulrich, M. Unger, M. Urban, L. Vaclavek, J. F. Valdés Galicia, I. Valiño, L. Valore, A. van Vliet, E. Varela, B. Vargas Cárdenas, A. Vásquez-Ramírez, D. Veberič, C. Ventura, I. D. Vergara Quispe, V. Verzi, J. Vicha, L. Villaseñor, J. Vink, S. Vorobiov, H. Wahlberg, A. A. Watson, M. Weber, A. Weindl, L. Wiencke, H. Wilczyński, T. Winchen, M. Wirtz, D. Wittkowski, B. Wundheiler, A. Yushkov, O. Zapparrata, E. Zas, D. Zavrtanik, M. Zavrtanik, L. Zehrer, A. Zepeda, M. Ziolkowski, F. Zuccarello, and The Pierre Auger Collaboration
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The hybrid design of the Pierre Auger Observatory allows for the measurement of the properties of extensive air showers initiated by ultra-high energy cosmic rays with unprecedented precision. By using an array of prototype underground muon detectors, we have performed the first direct measurement, by the Auger Collaboration, of the muon content of air showers between $$2\times 10^{17}$$ 2×1017 and $$2\times 10^{18}$$ 2×1018 eV. We have studied the energy evolution of the attenuation-corrected muon density, and compared it to predictions from air shower simulations. The observed densities are found to be larger than those predicted by models. We quantify this discrepancy by combining the measurements from the muon detector with those from the Auger fluorescence detector at $$10^{{17.5}}\, {\mathrm{eV}} $$ 1017.5eV and $$10^{{18}}\, {\mathrm{eV}} $$ 1018eV . We find that, for the models to explain the data, an increase in the muon density of $$38\%$$ 38% $$\pm 4\% (12\%)$$ ±4%(12%) $$\pm {}^{21\%}_{18\%}$$ ±18%21% for EPOS-LHC, and of $$50\% (53\%)$$ 50%(53%) $$\pm 4\% (13\%)$$ ±4%(13%) $$\pm {}^{23\%}_{20\%}$$ ±20%23% for QGSJetII-04, is respectively needed.
Published: 2020
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4. Observations of the Crab Nebula and Pulsar with the Large-sized Telescope Prototype of the Cherenkov Telescope Array

Author: H. Abe, K. Abe, S. Abe, A. Aguasca-Cabot, I. Agudo, N. Alvarez Crespo, L. A. Antonelli, C. Aramo, A. Arbet-Engels, C. Arcaro, M. Artero, K. Asano, P. Aubert, A. Baktash, A. Bamba, A. Baquero Larriva, L. Baroncelli, U. Barres de Almeida, J. A. Barrio, I. Batkovic, J. Baxter, J. Becerra González, E. Bernardini, M. I. Bernardos, J. Bernete Medrano, A. Berti, P. Bhattacharjee, N. Biederbeck, C. Bigongiari, E. Bissaldi, O. Blanch, G. Bonnoli, P. Bordas, A. Borghese, A. Bulgarelli, I. Burelli, M. Buscemi, M. Cardillo, S. Caroff, A. Carosi, F. Cassol, D. Cauz, G. Ceribella, Y. Chai, K. Cheng, A. Chiavassa, M. Chikawa, L. Chytka, A. Cifuentes, J. L. Contreras, J. Cortina, H. Costantini, G. D’Amico, M. Dalchenko, A. De Angelis, M. de Bony de Lavergne, B. De Lotto, R. de Menezes, G. Deleglise, C. Delgado, J. Delgado Mengual, D. della Volpe, M. Dellaiera, D. Depaoli, A. Di Piano, F. Di Pierro, R. Di Tria, L. Di Venere, C. Díaz, R. M. Dominik, D. Dominis Prester, A. Donini, D. Dorner, M. Doro, D. Elsässer, G. Emery, J. Escudero, V. Fallah Ramazani, G. Ferrara, F. Ferrarotto, A. Fiasson, L. Freixas Coromina, S. Fröse, S. Fukami, Y. Fukazawa, E. Garcia, R. Garcia López, C. Gasbarra, D. Gasparrini, F. Geyer, J. Giesbrecht Paiva, N. Giglietto, F. Giordano, E. Giro, P. Gliwny, N. Godinovic, R. Grau, D. Green, J. Green, S. Gunji, J. Hackfeld, D. Hadasch, A. Hahn, K. Hashiyama, T. Hassan, K. Hayashi, L. Heckmann, M. Heller, J. Herrera Llorente, K. Hirotani, D. Hoffmann, D. Horns, J. Houles, M. Hrabovsky, D. Hrupec, D. Hui, M. Hütten, M. Iarlori, R. Imazawa, T. Inada, Y. Inome, K. Ioka, M. Iori, K. Ishio, Y. Iwamura, M. Jacquemont, I. Jimenez Martinez, J. Jurysek, M. Kagaya, V. Karas, H. Katagiri, J. Kataoka, D. Kerszberg, Y. Kobayashi, A. Kong, H. Kubo, J. Kushida, M. Lainez, G. Lamanna, A. Lamastra, T. Le Flour, M. Linhoff, F. Longo, R. López-Coto, M. López-Moya, A. López-Oramas, S. Loporchio, A. Lorini, P. L. Luque-Escamilla, P. Majumdar, M. Makariev, D. Mandat, M. Manganaro, G. Manicò, K. Mannheim, M. Mariotti, P. Marquez, G. Marsella, J. Martí, O. Martinez, G. Martínez, M. Martínez, P. Marusevec, A. Mas-Aguilar, G. Maurin, D. Mazin, E. Mestre Guillen, S. Micanovic, D. Miceli, T. Miener, J. M. Miranda, R. Mirzoyan, T. Mizuno, M. Molero Gonzalez, E. Molina, T. Montaruli, I. Monteiro, A. Moralejo, D. Morcuende, A. Morselli, K. Mrakovcic, K. Murase, A. Nagai, S. Nagataki, T. Nakamori, L. Nickel, M. Nievas, K. Nishijima, K. Noda, D. Nosek, S. Nozaki, M. Ohishi, Y. Ohtani, T. Oka, N. Okazaki, A. Okumura, R. Orito, J. Otero-Santos, M. Palatiello, D. Paneque, F. R. Pantaleo, R. Paoletti, J. M. Paredes, M. Pech, M. Pecimotika, M. Peresano, A. Pérez, E. Pietropaolo, G. Pirola, C. Plard, F. Podobnik, V. Poireau, M. Polo, E. Pons, E. Prandini, J. Prast, G. Principe, C. Priyadarshi, M. Prouza, R. Rando, W. Rhode, M. Ribó, V. Rizi, G. Rodriguez Fernandez, J. E. Ruiz, T. Saito, S. Sakurai, D. A. Sanchez, T. Šarić, Y. Sato, F. G. Saturni, B. Schleicher, F. Schmuckermaier, J. L. Schubert, F. Schussler, T. Schweizer, M. Seglar Arroyo, R. Silvia, J. Sitarek, V. Sliusar, A. Spolon, J. Strišković, M. Strzys, Y. Suda, Y. Sunada, H. Tajima, H. Takahashi, M. Takahashi, J. Takata, R. Takeishi, P. H. T. Tam, S. J. Tanaka, D. Tateishi, L. A. Tejedor, P. Temnikov, Y. Terada, K. Terauchi, T. Terzic, M. Teshima, M. Tluczykont, F. Tokanai, D. F. Torres, P. Travnicek, S. Truzzi, A. Tutone, G. Uhlrich, M. Vacula, P. Vallania, J. van Scherpenberg, M. Vázquez Acosta, V. Verguilov, I. Viale, A. Vigliano, C. F. Vigorito, V. Vitale, G. Voutsinas, I. Vovk, T. Vuillaume, R. Walter, M. Will, T. Yamamoto, R. Yamazaki, T. Yoshida, T. Yoshikoshi, N. Zywucka, K. Bernlöhr, O. Gueta, K. Kosack, G. Maier, and J. Watson
Subjects: Gamma-ray astronomy, Gamma-ray sources, Astronomy data analysis, Pulsar wind nebulae, Pulsars, Astrophysics, QB460-466
Abstract: The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for gamma-ray astronomy at very high energies. The Large-Sized Telescope prototype (LST-1) is located at the CTA-North site, on the Canary Island of La Palma. LSTs are designed to provide optimal performance in the lowest part of the energy range covered by CTA, down to ≃20 GeV. LST-1 started performing astronomical observations in 2019 November, during its commissioning phase, and it has been taking data ever since. We present the first LST-1 observations of the Crab Nebula, the standard candle of very-high-energy gamma-ray astronomy, and use them, together with simulations, to assess the performance of the telescope. LST-1 has reached the expected performance during its commissioning period—only a minor adjustment of the preexisting simulations was needed to match the telescope’s behavior. The energy threshold at trigger level is around 20 GeV, rising to ≃30 GeV after data analysis. Performance parameters depend strongly on energy, and on the strength of the gamma-ray selection cuts in the analysis: angular resolution ranges from 0.°12–0.°40, and energy resolution from 15%–50%. Flux sensitivity is around 1.1% of the Crab Nebula flux above 250 GeV for a 50 hr observation (12% for 30 minutes). The spectral energy distribution (in the 0.03–30 TeV range) and the light curve obtained for the Crab Nebula agree with previous measurements, considering statistical and systematic uncertainties. A clear periodic signal is also detected from the pulsar at the center of the Nebula.
Published: 2023
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5. Search for Ultra-high-energy Photons from Gravitational Wave Sources with the Pierre Auger Observatory

Author: A. Abdul Halim, P. Abreu, M. Aglietta, I. Allekotte, K. Almeida Cheminant, A. Almela, J. Alvarez-Muñiz, J. Ammerman Yebra, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, P. R. Araújo Ferreira, E. Arnone, J. C. Arteaga Velázquez, H. Asorey, P. Assis, G. Avila, E. Avocone, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, J. A. Bellido, C. Berat, M. E. Bertaina, G. Bhatta, P. L. Biermann, V. Binet, K. Bismark, T. Bister, J. Biteau, J. Blazek, C. Bleve, J. Blümer, M. Boháčová, D. Boncioli, C. Bonifazi, L. Bonneau Arbeletche, N. Borodai, J. Brack, T. Bretz, P. G. Brichetto Orchera, F. L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, M. Büsken, A. Bwembya, K. S. Caballero-Mora, L. Caccianiga, I. Caracas, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, J. A. Chinellato, J. Chudoba, L. Chytka, R. W. Clay, A. C. Cobos Cerutti, R. Colalillo, A. Coleman, M. R. Coluccia, R. Conceiçao, A. Condorelli, G. Consolati, M. Conte, F. Contreras, F. Convenga, D. Correia dos Santos, P. J. Costa, C. E. Covault, M. Cristinziani, C. S. Cruz Sanchez, S. Dasso, K. Daumiller, B. R. Dawson, R. M. de Almeida, J. de Jesús, S. J. de Jong, J. R. T. de Mello Neto, I. De Mitri, J. de Oliveira, D. de Oliveira Franco, F. de Palma, V. de Souza, E. De Vito, A. Del Popolo, O. Deligny, L. Deval, A. di Matteo, M. Dobre, C. Dobrigkeit, J. C. D’Olivo, L. M. Domingues Mendes, R. C. dos Anjos, J. Ebr, M. Emam, R. Engel, I. Epicoco, M. Erdmann, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A. C. Fauth, N. Fazzini, F. Feldbusch, F. Fenu, A. Fernandes, B. Fick, J. M. Figueira, A. Filipčič, T. Fitoussi, B. Flaggs, T. Fodran, T. Fujii, A. Fuster, C. Galea, C. Galelli, B. García, H. Gemmeke, F. Gesualdi, A. Gherghel-Lascu, P. L. Ghia, U. Giaccari, M. Giammarchi, J. Glombitza, F. Gobbi, F. Gollan, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, J. M. González, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, E. Guido, S. Hahn, P. Hamal, M. R. Hampel, P. Hansen, D. Harari, V. M. Harvey, A. Haungs, T. Hebbeker, D. Heck, C. Hojvat, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, A. Insolia, P. G. Isar, P. Janecek, J. A. Johnsen, J. Jurysek, A. Kääpä, K. H. Kampert, B. Keilhauer, A. Khakurdikar, V. V. Kizakke Covilakam, H. O. Klages, M. Kleifges, J. Kleinfeller, F. Knapp, N. Kunka, B. L. Lago, N. Langner, M. A. Leigui de Oliveira, V. Lenok, A. Letessier-Selvon, I. Lhenry-Yvon, D. Lo Presti, L. Lopes, R. López, L. Lu, Q. Luce, J. P. Lundquist, A. Machado Payeras, M. Majercakova, D. Mandat, B. C. Manning, J. Manshanden, P. Mantsch, S. Marafico, F. M. Mariani, A. G. Mariazzi, I. C. Mariş, G. Marsella, D. Martello, S. Martinelli, O. Martínez Bravo, M. A. Martins, M. Mastrodicasa, H. J. Mathes, J. Matthews, G. Matthiae, E. Mayotte, S. Mayotte, P. O. Mazur, G. Medina-Tanco, J. Meinert, D. Melo, A. Menshikov, S. Michal, M. I. Micheletti, L. Miramonti, S. Mollerach, F. Montanet, L. Morejon, C. Morello, A. L. Müller, K. Mulrey, R. Mussa, M. Muzio, W. M. Namasaka, A. Nasr-Esfahani, L. Nellen, G. Nicora, M. Niculescu-Oglinzanu, M. Niechciol, D. Nitz, I. Norwood, D. Nosek, V. Novotny, L. Nožka, A. Nucita, L. A. Núñez, C. Oliveira, M. Palatka, J. Pallotta, G. Parente, A. Parra, J. Pawlowsky, M. Pech, J. Pȩkala, R. Pelayo, L. A. S. Pereira, E. E. Pereira Martins, J. Perez Armand, C. Pérez Bertolli, L. Perrone, S. Petrera, C. Petrucci, T. Pierog, M. Pimenta, M. Platino, B. Pont, M. Pothast, M. Pourmohammad Shavar, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M. J. Roncoroni, S. Rossoni, M. Roth, E. Roulet, A. C. Rovero, P. Ruehl, A. Saftoiu, M. Saharan, F. Salamida, H. Salazar, G. Salina, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, R. Sato, P. Savina, C. M. Schäfer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, H. Schoorlemmer, P. Schovánek, F. G. Schröder, J. Schulte, T. Schulz, S. J. Sciutto, M. Scornavacche, A. Segreto, S. Sehgal, S. U. Shivashankara, G. Sigl, G. Silli, O. Sima, R. Smau, R. Šmída, P. Sommers, J. F. Soriano, R. Squartini, M. Stadelmaier, D. Stanca, S. Stanič, J. Stasielak, P. Stassi, M. Straub, A. Streich, M. Suárez-Durán, T. Suomijärvi, A. D. Supanitsky, Z. Szadkowski, A. Tapia, C. Taricco, C. Timmermans, O. Tkachenko, P. Tobiska, C. J. Todero Peixoto, B. Tomé, Z. Torrès, A. Travaini, P. Travnicek, C. Trimarelli, M. Tueros, R. Ulrich, M. Unger, L. Vaclavek, M. Vacula, J. F. Valdés Galicia, L. Valore, E. Varela, A. Vásquez-Ramírez, D. Veberič, C. Ventura, I. D. Vergara Quispe, V. Verzi, J. Vicha, J. Vink, S. Vorobiov, C. Watanabe, A. A. Watson, A. Weindl, L. Wiencke, H. Wilczyński, D. Wittkowski, B. Wundheiler, A. Yushkov, O. Zapparrata, E. Zas, D. Zavrtanik, M. Zavrtanik, and The Pierre Auger Collaboration
Subjects: Particle astrophysics, Ultra-high-energy cosmic radiation, Cosmic ray showers, Gravitational wave sources, Transient sources, Astrophysics, QB460-466
Abstract: A search for time-directional coincidences of ultra-high-energy (UHE) photons above 10 EeV with gravitational wave (GW) events from the LIGO/Virgo runs O1 to O3 is conducted with the Pierre Auger Observatory. Due to the distinctive properties of photon interactions and to the background expected from hadronic showers, a subset of the most interesting GW events is selected based on their localization quality and distance. Time periods of 1000 s around and 1 day after the GW events are analyzed. No coincidences are observed. Upper limits on the UHE photon fluence from a GW event are derived that are typically at ∼7 MeV cm ^−2 (time period 1000 s) and ∼35 MeV cm ^−2 (time period 1 day). Due to the proximity of the binary neutron star merger GW170817, the energy of the source transferred into UHE photons above 40 EeV is constrained to be less than 20% of its total GW energy. These are the first limits on UHE photons from GW sources.
Published: 2023
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6. A Catalog of the Highest-energy Cosmic Rays Recorded during Phase I of Operation of the Pierre Auger Observatory

Author: A. Abdul Halim, P. Abreu, M. Aglietta, I. Allekotte, P. Allison, K. Almeida Cheminant, A. Almela, J. Alvarez-Muñiz, J. Ammerman Yebra, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, P. R. Araújo Ferreira, E. Arnone, J. C. Arteaga Velázquez, H. Asorey, P. Assis, M. Ave, G. Avila, E. Avocone, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, J. Beatty, J. A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, G. Bhatta, P. L. Biermann, P. Billoir, V. Binet, K. Bismark, T. Bister, J. Biteau, J. Blazek, C. Bleve, J. Blümer, M. Boháčová, D. Boncioli, C. Bonifazi, L. Bonneau Arbeletche, N. Borodai, J. Brack, T. Bretz, P. G. Brichetto Orchera, F. L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, M. Büsken, A. Bwembya, K. S. Caballero-Mora, L. Caccianiga, I. Caracas, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, R. Cester, J. A. Chinellato, J. Chirinos, J. Chudoba, L. Chytka, R. W. Clay, A. C. Cobos Cerutti, R. Colalillo, A. Coleman, M. R. Coluccia, R. Conceição, A. Condorelli, G. Consolati, F. Contreras, F. Convenga, D. Correia dos Santos, C. E. Covault, M. Cristinziani, C. S. Cruz Sanchez, S. Dasso, K. Daumiller, B. R. Dawson, R. M. de Almeida, J. de Jesús, S. J. de Jong, J. R. T. de Mello Neto, I. De Mitri, J. de Oliveira, D. de Oliveira Franco, F. de Palma, V. de Souza, E. De Vito, A. Del Popolo, O. Deligny, L. Deval, A. di Matteo, M. Dobre, C. Dobrigkeit, J. C. D’Olivo, L. M. Domingues Mendes, A. Dorofeev, R. C. dos Anjos, J. Ebr, M. Eman, R. Engel, I. Epicoco, M. Erdmann, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A. C. Fauth, N. Fazzini, F. Feldbusch, F. Fenu, B. Fick, J. M. Figueira, A. Filipčič, T. Fitoussi, B. Flaggs, T. Fodran, T. Fujii, A. Fuster, C. Galea, C. Galelli, B. García, H. Gemmeke, F. Gesualdi, A. Gherghel-Lascu, P. L. Ghia, U. Giaccari, M. Giammarchi, J. Glombitza, F. Gobbi, F. Gollan, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, J. M. González, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, E. Guido, S. Hahn, P. Hamal, M. R. Hampel, P. Hansen, D. Harari, J. Harton, V. M. Harvey, A. Haungs, T. Hebbeker, D. Heck, C. Hojvat, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, A. Insolia, P. G. Isar, P. Janecek, J. A. Johnsen, J. Jurysek, A. Kääpä, K. H. Kampert, B. Keilhauer, A. Khakurdikar, V. V. Kizakke Covilakam, H. O. Klages, M. Kleifges, J. Kleinfeller, F. Knapp, J. Knapp, N. Kunka, C. Lachaud, B. L. Lago, N. Langner, M. A. Leigui de Oliveira, V. Lenok, A. Letessier-Selvon, I. Lhenry-Yvon, D. Lo Presti, L. Lopes, R. López, L. Lu, Q. Luce, J. P. Lundquist, A. Machado Payeras, D. Mandat, B. C. Manning, J. Manshanden, P. Mantsch, S. Marafico, F. M. Mariani, A. G. Mariazzi, I. C. Mariş, G. Marsella, D. Martello, S. Martinelli, O. Martínez Bravo, M. A. Martins, M. Mastrodicasa, H. J. Mathes, J. Matthews, G. Matthiae, E. Mayotte, S. Mayotte, P. O. Mazur, G. Medina-Tanco, J. Meinert, D. Melo, A. Menshikov, S. Michal, M. I. Micheletti, L. Miramonti, S. Mollerach, F. Montanet, L. Morejon, C. Morello, A. L. Müller, K. Mulrey, R. Mussa, M. Muzio, W. M. Namasaka, A. Nasr-Esfahani, L. Nellen, G. Nicora, M. Niculescu-Oglinzanu, M. Niechciol, D. Nitz, I. Norwood, D. Nosek, V. Novotny, L. Nožka, A Nucita, L. A. Núñez, C. Oliveira, M. Palatka, J. Pallotta, G. Parente, A. Parra, J. Pawlowsky, M. Pech, J. Pȩkala, R. Pelayo, E. E. Pereira Martins, J. Perez Armand, C. Pérez Bertolli, L. Perrone, S. Petrera, C. Petrucci, T. Pierog, M. Pimenta, M. Platino, B. Pont, M. Pothast, M. Pourmohammad Shavar, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M. J. Roncoroni, S. Rossoni, M. Roth, E. Roulet, A. C. Rovero, P. Ruehl, A. Saftoiu, M. Saharan, F. Salamida, H. Salazar, G. Salina, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, R. Sato, P. Savina, C. M. Schäfer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, H. Schoorlemmer, P. Schovánek, F. G. Schröder, J. Schulte, T. Schulz, S. J. Sciutto, M. Scornavacche, A. Segreto, S. Sehgal, S. U. Shivashankara, G. Sigl, G. Silli, O. Sima, R. Smau, R. Šmída, P. Sommers, J. F. Soriano, R. Squartini, M. Stadelmaier, D. Stanca, S. Stanič, J. Stasielak, P. Stassi, M. Straub, A. Streich, M. Suárez-Durán, T. Sudholz, T. Suomijärvi, A. D. Supanitsky, Z. Szadkowski, A. Tapia, C. Taricco, C. Timmermans, O. Tkachenko, P. Tobiska, C. J. Todero Peixoto, B. Tomé, Z. Torrès, A. Travaini, P. Travnicek, C. Trimarelli, M. Tueros, R. Ulrich, M. Unger, L. Vaclavek, M. Vacula, J. F. Valdés Galicia, L. Valore, E. Varela, A. Vásquez-Ramírez, D. Veberič, C. Ventura, I. D. Vergara Quispe, V. Verzi, J. Vicha, L. M. Villase nor Cendejas, J. Vink, S. Vorobiov, C. Watanabe, A. A. Watson, A. Weindl, L. Wiencke, H. Wilczyński, D. Wittkowski, B. Wundheiler, P. Younk, A. Yushkov, O. Zapparrata, E. Zas, D. Zavrtanik, M. Zavrtanik, and (The Pierre Auger Collaboration)
Subjects: Ultra-high-energy cosmic radiation, Cosmic ray showers, Experimental data, Catalogs, Astrophysics, QB460-466
Abstract: A catalog containing details of the highest-energy cosmic rays recorded through the detection of extensive air showers at the Pierre Auger Observatory is presented with the aim of opening the data to detailed examination. Descriptions of the 100 showers created by the highest-energy particles recorded between 2004 January 1 and 2020 December 31 are given for cosmic rays that have energies in the range 78–166 EeV. Details are also given on a further nine very energetic events that have been used in the calibration procedure adopted to determine the energy of each primary. A sky plot of the arrival directions of the most energetic particles is shown. No interpretations of the data are offered.
Published: 2023
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7. A 3‐Year Sample of Almost 1,600 Elves Recorded Above South America by the Pierre Auger Cosmic‐Ray Observatory

Author: A. Aab, P. Abreu, M. Aglietta, I. F. M. Albuquerque, J. M. Albury, I. Allekotte, A. Almela, J. Alvarez Castillo, J. Alvarez‐Muñiz, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, H. Asorey, P. Assis, G. Avila, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R. J. Barreira Luz, S. Baur, K. H. Becker, J.A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, P. L. Biermann, J. Biteau, S. G. Blaess, A. Blanco, J. Blazek, C. Bleve, M. Boháčová, D. Boncioli, C. Bonifazi, N. Borodai, A. M. Botti, J. Brack, T. Bretz, A. Bridgeman, F. L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, K. S. Caballero‐Mora, L. Caccianiga, L. Calcagni, A. Cancio, F. Canfora, J. M. Carceller, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, J. A. Chinellato, J. Chudoba, L. Chytka, R.W. Clay, A. C. Cobos Cerutti, R. Colalillo, A. Coleman, M. R. Coluccia, R. Conceição, A. Condorelli, G. Consolati, F. Contreras, M. J. Cooper, S. Coutu, C. E. Covault, B. Daniel, S. Dasso, K. Daumiller, B. R. Dawson, J. A. Day, R. M. deAlmeida, S. J. deJong, G. Mauro, J. R. T. deMello Neto, I. Mitri, J. deOliveira, F. O. deOliveira Salles, V. deSouza, J. Debatin, M. delRío, O. Deligny, N. Dhital, M. L. Díaz Castro, F. Diogo, C. Dobrigkeit, J. C. D'Olivo, Q. Dorosti, R. C. dosAnjos, M. T. Dova, A. Dundovic, J. Ebr, R. Engel, M. Erdmann, C. O. Escobar, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A. C. Fauth, N. Fazzini, F. Feldbusch, F. Fenu, L. P. Ferreyro, J. M. Figueira, A. Filipčič, M. M. Freire, T. Fujii, A. Fuster, B. García, H. Gemmeke, A. Gherghel‐Lascu, P. L. Ghia, U. Giaccari, M. Giammarchi, M. Giller, D. Głas, J. Glombitza, F. Gobbi, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, E. Guido, R. Halliday, M. R. Hampel, P. Hansen, D. Harari, T. A. Harrison, V. M. Harvey, A. Haungs, T. Hebbeker, D. Heck, P. Heimann, G. C. Hill, C. Hojvat, E. M. Holt, P. Homola, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, J. Hulsman, A. Insolia, P. G. Isar, I. Jandt, J. A. Johnsen, M. Josebachuili, J. Jurysek, A. Kääpä, K. H. Kampert, B. Keilhauer, N. Kemmerich, J. Kemp, H. O. Klages, M. Kleifges, J. Kleinfeller, R. Krause, D. Kuempel, G. Kukec Mezek, A. Kuotb Awad, B. L. Lago, D. LaHurd, R. G. Lang, R. Legumina, M. A. Leigui de Oliveira, V. Lenok, A. Letessier‐Selvon, I. Lhenry‐Yvon, O. C. Lippmann, D. Lo Presti, L. Lopes, R. López, A. López Casado, R. Lorek, Q. Luce, A. Lucero, M. Malacari, G. Mancarella, D. Mandat, B. C. Manning, P. Mantsch, A. G. Mariazzi, I. C. Mariş, G. Marsella, D. Martello, H. Martinez, O. Martínez Bravo, M. Mastrodicasa, H. J. Mathes, S. Mathys, J. Matthews, G. Matthiae, E. Mayotte, P. O. Mazur, G. Medina‐Tanco, D. Melo, A. Menshikov, K.‐D. Merenda, S. Michal, M. I. Micheletti, L. Middendorf, L. Miramonti, B. Mitrica, D. Mockler, S. Mollerach, F. Montanet, C. Morello, G. Morlino, M. Mostafá, A. L. Müller, M. A. Muller, S. Müller, R. Mussa, L. Nellen, P. H. Nguyen, M. Niculescu‐Oglinzanu, M. Niechciol, D. Nitz, D. Nosek, V. Novotny, L. Noža, A Nucita, L.A. Núñez, A. Olinto, M. Palatka, J. Pallotta, M. P. Panetta, P. Papenbreer, G. Parente, A. Parra, M. Pech, F. Pedreira, J. Pękala, R. Pelayo, J. Peña‐Rodriguez, L. A. S. Pereira, M. Perlin, L. Perrone, C. Peters, S. Petrera, J. Phuntsok, T. Pierog, M. Pimenta, V. Pirronello, M. Platino, J. Poh, B. Pont, C. Porowski, R. R. Prado, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, S. Quinn, R. Ramos‐Pollan, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, P. Ristori, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M. J. Roncoroni, M. Roth, E. Roulet, A. C. Rovero, P. Ruehl, S. J. Saffi, A. Saftoiu, F. Salamida, H. Salazar, G. Salina, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, C. Sarmiento‐Cano, R. Sato, P. Savina, M. Schauer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, P. Schovánek, F. G. Schröder, S. Schröder, J. Schumacher, S. J. Sciutto, M. Scornavacche, R. C. Shellard, G. Sigl, G. Silli, O. Sima, R. Šmída, G.R. Snow, P. Sommers, J. F. Soriano, J. Souchard, R. Squartini, D. Stanca, S. Stanič, J. Stasielak, P. Stassi, M. Stolpovskiy, A. Streich, F. Suarez, M. Suárez‐Durán, T. Sudholz, T. Suomijärvi, A.D. Supanitsky, J. Šupík, Z. Szadkowski, A. Taboada, O. A. Taborda, A. Tapia, C. Timmermans, C. J. Todero Peixoto, B. Tomé, G. Torralba Elipe, A. Travaini, P. Travnicek, M. Trini, M. Tueros, R. Ulrich, M. Unger, M. Urban, J. F. Valdés Galicia, I. Valiño, L. Valore, P. vanBodegom, A. M. van denBerg, A. vanVliet, E. Varela, B. Vargas Cárdenas, D. Veberič, C. Ventura, I. D. Vergara Quispe, V. Verzi, J. Vicha, L. Villaseñor, J. Vink, S. Vorobiov, H. Wahlberg, A. A. Watson, M. Weber, A. Weindl, M. Wiedeński, L. Wiencke, H. Wilczyński, T. Winchen, M. Wirtz, D. Wittkowski, B. Wundheiler, L. Yang, A. Yushkov, E. Zas, D. Zavrtanik, M. Zavrtanik, L. Zehrer, A. Zepeda, B. Zimmermann, M. Ziolkowski, Z. Zong, and F. Zuccarello
Subjects: Astronomy, QB1-991, Geology, QE1-996.5
Abstract: Abstract Elves are a class of transient luminous events, with a radial extent typically greater than 250 km, that occur in the lower ionosphere above strong electrical storms. We report the observation of 1,598 elves, from 2014 to 2016, recorded with unprecedented time resolution (100 ns) using the fluorescence detector (FD) of the Pierre Auger Cosmic‐Ray Observatory. The Auger Observatory is located in the Mendoza province of Argentina with a viewing footprint for elve observations of 3·106 km 2, reaching areas above the Pacific and Atlantic Oceans, as well as the Córdoba region, which is known for severe convective thunderstorms. Primarily designed for ultrahigh energy cosmic‐ray observations, the Auger FD turns out to be very sensitive to the ultraviolet emission in elves. The detector features modified Schmidt optics with large apertures resulting in a field of view that spans the horizon, and year‐round operation on dark nights with low moonlight background, when the local weather is favorable. The measured light profiles of 18% of the elve events have more than one peak, compatible with intracloud activity. Within the 3‐year sample, 72% of the elves correlate with the far‐field radiation measurements of the World Wide Lightning Location Network. The Auger Observatory plans to continue operations until at least 2025, including elve observations and analysis. To the best of our knowledge, this observatory is the only facility on Earth that measures elves with year‐round operation and full horizon coverage.
Published: 2020
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8. Multi-Messenger Physics With the Pierre Auger Observatory

Author: Karl-Heinz Kampert, Miguel Alejandro Mostafa, Enrique Zas, The Pierre Auger Collaboration, A. Aab, P. Abreu, M. Aglietta, I.F.M. Albuquerque, J.M. Albury, I. Allekotte, A. Almela, J. Alvarez Castillo, J. Alvarez-Muñiz, G.A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, H. Asorey, P. Assis, G. Avila, A.M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R.J. Barreira Luz, S. Baur, K.H. Becker, J.A. Bellido, C. Berat, M.E. Bertaina, X. Bertou, P.L. Biermann, J. Biteau, S.G. Blaess, A. Blanco, J. Blazek, C. Bleve, M. Boháčová, D. Boncioli, C. Bonifazi, N. Borodai, A.M. Botti, J. Brack, T. Bretz, A. Bridgeman, F.L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, K.S. Caballero-Mora, L. Caccianiga, L. Calcagni, A. Cancio, F. Canfora, J.M. Carceller, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, J.A. Chinellato, J. Chudoba, L. Chytka, R.W. Clay, A.C. Cobos Cerutti, R. Colalillo, A. Coleman, M.R. Coluccia, R. Conceição, A. Condorelli, G. Consolati, F. Contreras, F. Convenga, M.J. Cooper, S. Coutu, C.E. Covault, B. Daniel, S. Dasso, K. Daumiller, B.R. Dawson, J.A. Day, R.M. de Almeida, S.J. de Jong, G. De Mauro, J.R.T. de Mello Neto, I. De Mitri, J. de Oliveira, F.O. de Oliveira Salles, V. de Souza, J. Debatin, M. del Río, O. Deligny, N. Dhital, M.L. Díaz Castro, F. Diogo, C. Dobrigkeit, J.C. D'Olivo, Q. Dorosti, R.C. dos Anjos, M.T. Dova, A. Dundovic, J. Ebr, R. Engel, M. Erdmann, C.O. Escobar, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A.C. Fauth, N. Fazzini, F. Feldbusch, F. Fenu, L.P. Ferreyro, J.M. Figueira, A. Filipčič, M.M. Freire, T. Fujii, A. Fuster, B. García, H. Gemmeke, A. Gherghel-Lascu, P.L. Ghia, U. Giaccari, M. Giammarchi, M. Giller, D. Głas, J. Glombitza, F. Gobbi, G. Golup, M. Gómez Berisso, P.F. Gómez Vitale, J.P. Gongora, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T.D. Grubb, F. Guarino, G.P. Guedes, E. Guido, R. Halliday, M.R. Hampel, P. Hansen, D. Harari, T.A. Harrison, V.M. Harvey, A. Haungs, T. Hebbeker, D. Heck, P. Heimann, G.C. Hill, C. Hojvat, E.M. Holt, P. Homola, J.R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, J. Hulsman, A. Insolia, P.G. Isar, I. Jandt, J.A. Johnsen, M. Josebachuili, J. Jurysek, A. Kääpä, K.H. Kampert, B. Keilhauer, N. Kemmerich, J. Kemp, H.O. Klages, M. Kleifges, J. Kleinfeller, R. Krause, D. Kuempel, G. Kukec Mezek, A. Kuotb Awad, B.L. Lago, D. LaHurd, R.G. Lang, R. Legumina, M.A. Leigui de Oliveira, V. Lenok, A. Letessier-Selvon, I. Lhenry-Yvon, O.C. Lippmann, D. Lo Presti, L. Lopes, R. López, A. López Casado, R. Lorek, Q. Luce, A. Lucero, M. Malacari, G. Mancarella, D. Mandat, B.C. Manning, P. Mantsch, A.G. Mariazzi, I.C. Mariş, G. Marsella, D. Martello, H. Martinez, O. Martínez Bravo, M. Mastrodicasa, H.J. Mathes, S. Mathys, J. Matthews, G. Matthiae, E. Mayotte, P.O. Mazur, G. Medina-Tanco, D. Melo, A. Menshikov, K.-D. Merenda, S. Michal, M.I. Micheletti, L. Middendorf, L. Miramonti, B. Mitrica, D. Mockler, S. Mollerach, F. Montanet, C. Morello, G. Morlino, M. Mostafá, A.L. Müller, M.A. Muller, S. Müller, R. Mussa, L. Nellen, P.H. Nguyen, M. Niculescu-Oglinzanu, M. Niechciol, D. Nitz, D. Nosek, V. Novotny, L. Nožka, A Nucita, L.A. Núñez, F. Oikonomou, A. Olinto, M. Palatka, J. Pallotta, M.P. Panetta, P. Papenbreer, G. Parente, A. Parra, M. Pech, F. Pedreira, J. Pȩkala, R. Pelayo, J. Peña-Rodriguez, L.A.S. Pereira, M. Perlin, L. Perrone, C. Peters, S. Petrera, J. Phuntsok, T. Pierog, M. Pimenta, V. Pirronello, M. Platino, J. Poh, B. Pont, C. Porowski, R.R. Prado, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, S. Quinn, R. Ramos-Pollan, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, P. Ristori, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M.J. Roncoroni, M. Roth, E. Roulet, A.C. Rovero, P. Ruehl, S.J. Saffi, A. Saftoiu, F. Salamida, H. Salazar, G. Salina, J.D. Sanabria Gomez, F. Sánchez, E.M. Santos, E. Santos, F. Sarazin, R. Sarmento, C. Sarmiento-Cano, R. Sato, P. Savina, M. Schauer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, P. Schovánek, F.G. Schröder, S. Schröder, J. Schumacher, S.J. Sciutto, M. Scornavacche, R.C. Shellard, G. Sigl, G. Silli, O. Sima, R. Šmída, G.R. Snow, P. Sommers, J.F. Soriano, J. Souchard, R. Squartini, D. Stanca, S. Stanič, J. Stasielak, P. Stassi, M. Stolpovskiy, A. Streich, F. Suarez, M. Suárez-Durán, T. Sudholz, T. Suomijärvi, A.D. Supanitsky, J. Šupík, Z. Szadkowski, A. Taboada, O.A. Taborda, A. Tapia, C. Timmermans, C.J. Todero Peixoto, B. Tomé, G. Torralba Elipe, A. Travaini, P. Travnicek, M. Trini, M. Tueros, R. Ulrich, M. Unger, M. Urban, J.F. Valdés Galicia, I. Valiño, L. Valore, P. van Bodegom, A.M. van den Berg, A. van Vliet, E. Varela, B. Vargas Cárdenas, D. Veberič, C. Ventura, I.D. Vergara Quispe, V. Verzi, J. Vicha, L. Villaseñor, J. Vink, S. Vorobiov, H. Wahlberg, A.A. Watson, M. Weber, A. Weindl, M. Wiedeński, L. Wiencke, H. Wilczyński, T. Winchen, M. Wirtz, D. Wittkowski, B. Wundheiler, L. Yang, A. Yushkov, E. Zas, D. Zavrtanik, M. Zavrtanik, L. Zehrer, A. Zepeda, B. Zimmermann, M. Ziolkowski, Z. Zong, and F. Zuccarello
Subjects: UHECR, high energy neutrinos, high energy photons, high energy neutrons, multi-messenger astrophysics, compact binary mergers, Astronomy, QB1-991, Geophysics. Cosmic physics, QC801-809
Abstract: An overview of the multi-messenger capabilities of the Pierre Auger Observatory is presented. The techniques and performance of searching for Ultra-High Energy neutrinos, photons and neutrons are described. Some of the most relevant results are reviewed, such as stringent upper bounds that were placed to a flux of diffuse cosmogenic neutrinos and photons, bounds placed on neutrinos emitted from compact binary mergers that were detected by LIGO and Virgo during their first and second observing runs, as well as searches for high energy photons and neutrons from the Galactic center that constrain the properties of the putative Galactic PeVatron, observed by the H.E.S.S. collaboration. The observation of directional correlations between ultra-high energy cosmic rays and either high energy astrophysical neutrinos or specific source populations, weighted by their electromagnetic radiation, are also discussed. They constitute additional multi-messenger approaches aimed at identifying the sources of high energy cosmic rays.
Published: 2019
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9. Evidence for a mixed mass composition at the ‘ankle’ in the cosmic-ray spectrum

Author: A. Aab, P. Abreu, M. Aglietta, E.J. Ahn, I. Al Samarai, I.F.M. Albuquerque, I. Allekotte, P. Allison, A. Almela, J. Alvarez Castillo, J. Alvarez-Muñiz, M. Ambrosio, G.A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, F. Arqueros, N. Arsene, H. Asorey, P. Assis, J. Aublin, G. Avila, A.M. Badescu, A. Balaceanu, C. Baus, J.J. Beatty, K.H. Becker, J.A. Bellido, C. Berat, M.E. Bertaina, P.L. Biermann, P. Billoir, J. Biteau, S.G. Blaess, A. Blanco, J. Blazek, C. Bleve, M. Boháčová, D. Boncioli, C. Bonifazi, N. Borodai, A.M. Botti, J. Brack, I. Brancus, T. Bretz, A. Bridgeman, F.L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, K.S. Caballero-Mora, B. Caccianiga, L. Caccianiga, A. Cancio, F. Canfora, L. Caramete, R. Caruso, A. Castellina, G. Cataldi, L. Cazon, R. Cester, A.G. Chavez, A. Chiavassa, J.A. Chinellato, J. Chudoba, R.W. Clay, R. Colalillo, A. Coleman, L. Collica, M.R. Coluccia, R. Conceição, F. Contreras, M.J. Cooper, S. Coutu, C.E. Covault, J. Cronin, R. Dallier, S. D'Amico, B. Daniel, S. Dasso, K. Daumiller, B.R. Dawson, R.M. de Almeida, S.J. de Jong, G. De Mauro, J.R.T. de Mello Neto, I. De Mitri, J. de Oliveira, V. de Souza, J. Debatin, L. del Peral, O. Deligny, C. Di Giulio, A. Di Matteo, M.L. Díaz Castro, F. Diogo, C. Dobrigkeit, J.C. D'Olivo, A. Dorofeev, R.C. dos Anjos, M.T. Dova, A. Dundovic, J. Ebr, R. Engel, M. Erdmann, M. Erfani, C.O. Escobar, J. Espadanal, A. Etchegoyen, H. Falcke, K. Fang, G. Farrar, A.C. Fauth, N. Fazzini, B. Fick, J.M. Figueira, A. Filevich, A. Filipčič, O. Fratu, M.M. Freire, T. Fujii, A. Fuster, B. García, D. Garcia-Pinto, F. Gaté, H. Gemmeke, A. Gherghel-Lascu, P.L. Ghia, U. Giaccari, M. Giammarchi, M. Giller, D. Głas, C. Glaser, H. Glass, G. Golup, M. Gómez Berisso, P.F. Gómez Vitale, N. González, B. Gookin, J. Gordon, A. Gorgi, P. Gorham, P. Gouffon, A.F. Grillo, T.D. Grubb, F. Guarino, G.P. Guedes, M.R. Hampel, P. Hansen, D. Harari, T.A. Harrison, J.L. Harton, Q. Hasankiadeh, A. Haungs, T. Hebbeker, D. Heck, P. Heimann, A.E. Herve, G.C. Hill, C. Hojvat, E. Holt, P. Homola, J.R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, J. Hulsman, A. Insolia, P.G. Isar, I. Jandt, S. Jansen, J.A. Johnsen, M. Josebachuili, A. Kääpä, O. Kambeitz, K.H. Kampert, P. Kasper, I. Katkov, B. Keilhauer, E. Kemp, R.M. Kieckhafer, H.O. Klages, M. Kleifges, J. Kleinfeller, R. Krause, N. Krohm, D. Kuempel, G. Kukec Mezek, N. Kunka, A. Kuotb Awad, D. LaHurd, L. Latronico, M. Lauscher, P. Lautridou, P. Lebrun, R. Legumina, M.A. Leigui de Oliveira, A. Letessier-Selvon, I. Lhenry-Yvon, K. Link, L. Lopes, R. López, A. López Casado, Q. Luce, A. Lucero, M. Malacari, M. Mallamaci, D. Mandat, P. Mantsch, A.G. Mariazzi, I.C. Mariş, G. Marsella, D. Martello, H. Martinez, O. Martínez Bravo, J.J. Masías Meza, H.J. Mathes, S. Mathys, J. Matthews, J.A.J. Matthews, G. Matthiae, E. Mayotte, P.O. Mazur, C. Medina, G. Medina-Tanco, D. Melo, A. Menshikov, S. Messina, M.I. Micheletti, L. Middendorf, I.A. Minaya, L. Miramonti, B. Mitrica, D. Mockler, L. Molina-Bueno, S. Mollerach, F. Montanet, C. Morello, M. Mostafá, G. Müller, M.A. Muller, S. Müller, I. Naranjo, S. Navas, L. Nellen, J. Neuser, P.H. Nguyen, M. Niculescu-Oglinzanu, M. Niechciol, L. Niemietz, T. Niggemann, D. Nitz, D. Nosek, V. Novotny, H. Nožka, L.A. Núñez, L. Ochilo, F. Oikonomou, A. Olinto, D. Pakk Selmi-Dei, M. Palatka, J. Pallotta, P. Papenbreer, G. Parente, A. Parra, T. Paul, M. Pech, F. Pedreira, J. Pȩkala, R. Pelayo, J. Peña-Rodriguez, L.A.S. Pereira, L. Perrone, C. Peters, S. Petrera, J. Phuntsok, R. Piegaia, T. Pierog, P. Pieroni, M. Pimenta, V. Pirronello, M. Platino, M. Plum, C. Porowski, R.R. Prado, P. Privitera, M. Prouza, E.J. Quel, S. Querchfeld, S. Quinn, R. Ramos-Pollant, J. Rautenberg, O. Ravel, D. Ravignani, D. Reinert, B. Revenu, J. Ridky, M. Risse, P. Ristori, V. Rizi, W. Rodrigues de Carvalho, G. Rodriguez Fernandez, J. Rodriguez Rojo, M.D. Rodríguez-Frías, D. Rogozin, J. Rosado, M. Roth, E. Roulet, A.C. Rovero, S.J. Saffi, A. Saftoiu, H. Salazar, A. Saleh, F. Salesa Greus, G. Salina, J.D. Sanabria Gomez, F. Sánchez, P. Sanchez-Lucas, E.M. Santos, E. Santos, F. Sarazin, B. Sarkar, R. Sarmento, C. Sarmiento-Cano, R. Sato, C. Scarso, M. Schauer, V. Scherini, H. Schieler, D. Schmidt, O. Scholten, P. Schovánek, F.G. Schröder, A. Schulz, J. Schulz, J. Schumacher, S.J. Sciutto, A. Segreto, M. Settimo, A. Shadkam, R.C. Shellard, G. Sigl, G. Silli, O. Sima, A. Śmiałkowski, R. Šmída, G.R. Snow, P. Sommers, S. Sonntag, J. Sorokin, R. Squartini, D. Stanca, S. Stanič, J. Stasielak, F. Strafella, F. Suarez, M. Suarez Durán, T. Sudholz, T. Suomijärvi, A.D. Supanitsky, M.S. Sutherland, J. Swain, Z. Szadkowski, O.A. Taborda, A. Tapia, A. Tepe, V.M. Theodoro, C. Timmermans, C.J. Todero Peixoto, L. Tomankova, B. Tomé, A. Tonachini, G. Torralba Elipe, D. Torres Machado, M. Torri, P. Travnicek, M. Trini, R. Ulrich, M. Unger, M. Urban, A. Valbuena-Delgado, J.F. Valdés Galicia, I. Valiño, L. Valore, G. van Aar, P. van Bodegom, A.M. van den Berg, A. van Vliet, E. Varela, B. Vargas Cárdenas, G. Varner, J.R. Vázquez, R.A. Vázquez, D. Veberič, V. Verzi, J. Vicha, L. Villaseñor, S. Vorobiov, H. Wahlberg, O. Wainberg, D. Walz, A.A. Watson, M. Weber, A. Weindl, L. Wiencke, H. Wilczyński, T. Winchen, D. Wittkowski, B. Wundheiler, S. Wykes, L. Yang, D. Yelos, P. Younk, A. Yushkov, E. Zas, D. Zavrtanik, M. Zavrtanik, A. Zepeda, B. Zimmermann, M. Ziolkowski, Z. Zong, and F. Zuccarello
Subjects: Physics, QC1-999
Abstract: We report a first measurement for ultrahigh energy cosmic rays of the correlation between the depth of shower maximum and the signal in the water Cherenkov stations of air-showers registered simultaneously by the fluorescence and the surface detectors of the Pierre Auger Observatory. Such a correlation measurement is a unique feature of a hybrid air-shower observatory with sensitivity to both the electromagnetic and muonic components. It allows an accurate determination of the spread of primary masses in the cosmic-ray flux. Up till now, constraints on the spread of primary masses have been dominated by systematic uncertainties. The present correlation measurement is not affected by systematics in the measurement of the depth of shower maximum or the signal in the water Cherenkov stations. The analysis relies on general characteristics of air showers and is thus robust also with respect to uncertainties in hadronic event generators. The observed correlation in the energy range around the ‘ankle’ at lg⁡(E/eV)=18.5–19.0 differs significantly from expectations for pure primary cosmic-ray compositions. A light composition made up of proton and helium only is equally inconsistent with observations. The data are explained well by a mixed composition including nuclei with mass A>4. Scenarios such as the proton dip model, with almost pure compositions, are thus disfavored as the sole explanation of the ultrahigh-energy cosmic-ray flux at Earth. Keywords: Pierre Auger Observatory, Cosmic rays, Mass composition, Ankle
Published: 2016
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10. Quality control tests on the new front-end electronics for the Schwarzschild-Couder Telescope

Author: C. Aramo, E. Bissaldi, M. Bitossi, C. Bonavolontà, G. De Robertis, L. Di Venere, F. Giordano, S. Incardona, F. Licciulli, S. Loporchio, G. Marsella, F.R. Pantaleo, R. Paoletti, and G. Tripodo
Subjects: Nuclear and High Energy Physics, Test bench, Front end electronics, Instrumentation, Test bench, Front end electronics, Quality control test, Quality control test
Published: 2023

11. High-Density Near-Ultraviolet Silicon Photomultipliers: Characterization of photosensors for Cherenkov light detection

Author: G. Ambrosi, M. Ambrosio, C. Aramo, B. Bertucci, E. Bissaldi, M. Bitossi, A. Boiano, C. Bonavolontà, M. Capasso, A. Circiello, L. Consiglio, D. Depaoli, F. Di Pierro, L. Di Venere, E. Fiandrini, N. Giglietto, F. Giordano, S. Incardona, M. Ionica, F. Licciulli, S. Loporchio, G. Marsella, V. Masone, F.R. Pantaleo, R. Paoletti, B. Ruggiero, A. Rugliancich, P. Silvestrini, L. Stiaccini, J. Tasseva, L. Tosti, G. Tripodo, V. Vagelli, and M. Valentino
Subjects: Nuclear and High Energy Physics, Silicon photomultipliers, Cherenkov telescopes, Very-high-energy astrophysics, Instrumentation
Published: 2023

12. Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

Author: A Acharyya, R Adam, A Aguasca-Cabot, I Agudo, A Aguirre-Santaella, J Alfaro, R Aloisio, R Alves Batista, E Amato, E O Angüner, C Aramo, C Arcaro, K Asano, J Aschersleben, H Ashkar, M Backes, A Baktash, C Balazs, M Balbo, J Ballet, A Bamba, A Baquero Larriva, V Barbosa Martins, U Barres de Almeida, J A Barrio, D Bastieri, P Batista, I Batkovic, J R Baxter, J Becerra González, J Becker Tjus, W Benbow, E Bernardini, M I Bernardos Martín, J Bernete Medrano, A Berti, B Bertucci, V Beshley, P Bhattacharjee, S Bhattacharyya, C Bigongiari, A Biland, E Bissaldi, F Bocchino, P Bordas, J Borkowski, E Bottacini, M Böttcher, F Bradascio, A M Brown, A Bulgarelli, L Burmistrov, S Caroff, A Carosi, E Carquín, S Casanova, E Cascone, F Cassol, M Cerruti, P Chadwick, S Chaty, A Chen, A Chiavassa, L Chytka, V Conforti, J Cortina, A Costa, H Costantini, G Cotter, S Crestan, P Cristofari, F D’Ammando, M Dalchenko, F Dazzi, A De Angelis, V De Caprio, E M de Gouveia Dal Pino, D De Martino, M de Naurois, V de Souza, M V del Valle, A G Delgado Giler, C Delgado, D della Volpe, D Depaoli, T Di Girolamo, A Di Piano, F Di Pierro, R Di Tria, L Di Venere, S Diebold, M Doro, D Dumora, V V Dwarkadas, C Eckner, K Egberts, G Emery, J Escudero, D Falceta-Goncalves, E Fedorova, S Fegan, Q Feng, D Ferenc, G Ferrand, E Fiandrini, M Filipovic, V Fioretti, L Foffano, G Fontaine, Y Fukui, D Gaggero, G Galanti, G Galaz, S Gallozzi, V Gammaldi, M Garczarczyk, C Gasbarra, D Gasparrini, A Ghalumyan, M Giarrusso, G Giavitto, N Giglietto, F Giordano, A Giuliani, J-F Glicenstein, P Goldoni, J Goulart Coelho, J Granot, D Green, J G Green, M-H Grondin, O Gueta, D Hadasch, P Hamal, T Hassan, K Hayashi, M Heller, S Hernández Cadena, N Hiroshima, B Hnatyk, R Hnatyk, W Hofmann, J Holder, M Holler, D Horan, P Horvath, M Hrabovsky, M Hütten, M Iarlori, T Inada, F Incardona, S Inoue, F Iocco, M Jamrozy, W Jin, I Jung-Richardt, J Juryšek, D Kantzas, V Karas, H Katagiri, D Kerszberg, J Knödlseder, N Komin, P Kornecki, K Kosack, G Kowal, H Kubo, A Lamastra, J Lapington, M Lemoine-Goumard, J-P Lenain, F Leone, G Leto, F Leuschner, E Lindfors, T Lohse, S Lombardi, F Longo, R López-Coto, A López-Oramas, S Loporchio, P L Luque-Escamilla, O Macias, P Majumdar, D Mandat, S Mangano, G Manicò, M Mariotti, P Marquez, G Marsella, J Martí, P Martin, M Martínez, D Mazin, S Menchiari, D M-A Meyer, D Miceli, M Miceli, J Michałowski, A Mitchell, R Moderski, L Mohrmann, M Molero, E Molina, T Montaruli, A Moralejo, D Morcuende, A Morselli, E Moulin, V Moya, R Mukherjee, K Munari, A Muraczewski, S Nagataki, T Nakamori, A Nayak, J Niemiec, M Nievas, M Nikołajuk, K Nishijima, K Noda, D Nosek, B Novosyadlyj, S Nozaki, M Ohishi, S Ohm, A Okumura, B Olmi, R A Ong, M Orienti, R Orito, M Orlandini, E Orlando, S Orlando, M Ostrowski, I Oya, A Pagliaro, M Palatka, F R Pantaleo, R Paoletti, J M Paredes, N Parmiggiani, B Patricelli, M Pech, M Pecimotika, M Persic, O Petruk, E Pierre, E Pietropaolo, G Pirola, M Pohl, E Prandini, C Priyadarshi, G Pühlhofer, M L Pumo, M Punch, F S Queiroz, A Quirrenbach, S Rainò, R Rando, S Razzaque, A Reimer, O Reimer, T Reposeur, M Ribó, T Richtler, J Rico, F Rieger, M Rigoselli, V Rizi, E Roache, G Rodriguez Fernandez, P Romano, G Romeo, J Rosado, A Rosales de Leon, B Rudak, C Rulten, I Sadeh, T Saito, M Sánchez-Conde, H Sano, A Santangelo, R Santos-Lima, S Sarkar, F G Saturni, A Scherer, P Schovanek, F Schussler, U Schwanke, O Sergijenko, M Servillat, H Siejkowski, C Siqueira, S Spencer, A Stamerra, S Stanič, C Steppa, T Stolarczyk, Y Suda, T Tavernier, M Teshima, L Tibaldo, D F Torres, N Tothill, M Vacula, B Vallage, P Vallania, C van Eldik, M Vázquez Acosta, M Vecchi, S Ventura, S Vercellone, A Viana, C F Vigorito, J Vink, V Vitale, V Vodeb, S Vorobiov, T Vuillaume, S J Wagner, R Walter, M White, A Wierzcholska, M Will, R Yamazaki, L Yang, T Yoshikoshi, M Zacharias, G Zaharijas, D Zavrtanik, M Zavrtanik, A A Zdziarski, V I Zhdanov, K Ziętara, M Živec, Joseph Louis LAGRANGE (LAGRANGE), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Galaxies, Etoiles, Physique, Instrumentation (GEPI), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy-le-Vieux de Physique Théorique (LAPTH), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Cherenkov Telescope Array
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), photon, emission, acceleration, efficiency, Cherenkov Telescope Array, WIMP, diffusion, FOS: Physical sciences, Astronomy and Astrophysics, suppression, sensitivity, Navarro-Frenk-White profile, dark matter, photon, energy, flux, cosmic radiation, spectrum, energy, high, Space and Planetary Science, cloud, TeV, spectral, galaxy, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], nucleus, cosmic radiation
Abstract: A deep survey of the Large Magellanic Cloud at ~0.1-100TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the emission of the galaxy, comprising the four known TeV emitters, mock populations of sources, and interstellar emission on galactic scales. We also assess the detectability of 30 Doradus and SN 1987A, and the constraints that can be derived on the nature of dark matter. The survey will allow for fine spectral studies of N157B, N132D, LMC P3, and 30 Doradus C, and half a dozen other sources should be revealed, mainly pulsar-powered objects. The remnant from SN 1987A could be detected if it produces cosmic-ray nuclei with a flat power-law spectrum at high energies, or with a steeper index 2.3-2.4 pending a flux increase by a factor >3-4 over ~2015-2035. Large-scale interstellar emission remains mostly out of reach of the survey if its >10GeV spectrum has a soft photon index ~2.7, but degree-scale 0.1-10TeV pion-decay emission could be detected if the cosmic-ray spectrum hardens above >100GeV. The 30 Doradus star-forming region is detectable if acceleration efficiency is on the order of 1-10% of the mechanical luminosity and diffusion is suppressed by two orders of magnitude within, Accepted for publication in MNRAS. Corresponding authors: Pierrick Martin, Maria Isabel Bernardos Martin, Fabio Iocco
Published: 2023
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13. A new Neural Network architecture for Time Series Classification

Author: S. Incardona, G. Tripodo, M. Buscemi, M.P. Shahvar, and G. Marsella
Subjects: Nuclear and High Energy Physics, Instrumentation
Published: 2023

14. Status of the plastic scintillator detector for the HERD experiment

Author: F. Alemanno, C. Altomare, F.C.T. Barbato, P. Bernardini, E. Bissaldi, E. Casilli, P.W. Cattaneo, I. De Mitri, F. de Palma, C. De Vecchi, A. Di Giovanni, M. Di Santo, L. Di Venere, P. Fusco, F. Gargano, C. Guerrisi, D. Kyratzis, F. Licciulli, F. Loparco, G. Marsella, M.N. Mazziotta, F.R. Pantaleo, A. Parenti, R. Pillera, M. Pullia, A. Rappoldi, G. Raselli, M. Rossella, D. Serini, L. Silveri, A. Suma, and A. Surdo
Subjects: Nuclear and High Energy Physics, Instrumentation
Published: 2023
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15. Cherenkov Telescope Array : the World’s largest VHE gamma-ray observatory

Author: Roberta Zanin, H. Abdalla, H. Abe, S. Abe, A. Abusleme, F. Acero, A. Acharyya, V. Acin Portella, K. Ackley, R. Adam, C. Adams, S.S. Adhikari, I. Aguado Ruesga, I. Agudo, R. Aguilera, A. Aguirre Santaella, F. Aharonian, A. Alberdi, R. Alfaro, J. Alfaro, C. Alispach, R. Aloisio, R. Alves Batista, J.P. Amans, L. Amati, E. Amato, L. Ambrogi, G. Ambrosi, M. Ambrosio, R. Ammendola, J. Anderson, M. Anduze, E.O. Anguner, L.A. Antonelli, V. Antonuccio, P. Antoranz, R. Anutarawiramkul, J. Aragunde Gutierrez, C. Aramo, A. Araudo, M. Araya, A. Arbet Engels, C. Arcaro, V. Arendt, C. Armand, T. Armstrong, F. Arqueros, L. Arrabito, B. Arsioli, M. Artero, K. Asano, Y. Ascasibar, J. Aschersleben, M. Ashley, P. Attina, P. Aubert, C. B. Singh, D. Baack, A. Babic, M. Backes, V. Baena, S. Bajtlik, A. Baktash, C. Balazs, M. Balbo, O. Ballester, J. Ballet, B. Balmaverde, A. Bamba, R. Bandiera, A. Baquero Larriva, P. Barai, C. Barbier, V. Barbosa Martins, M. Barcelo, M. Barkov, M. Barnard, L. Baroncelli, U. Barres de Almeida, J.A. Barrio, D. Bastieri, P.I. Batista, I. Batkovic, C. Bauer, R. Bautista González, J. Baxter, U. Becciani, J. Becerra González, Y. Becherini, G. Beck, J. Becker Tjus, W. Bednarek, A. Belfiore, L. Bellizzi, R. Belmont, W. Benbow, D. Berge, E. Bernardini, M.I. Bernardos, K. Bernlöhr, A. Berti, M. Berton, B. Bertucci, V. Beshley, N. Bhatt, S. Bhattacharyya, W. Bhattacharyya, B. Y. Bi, G. Bicknell, N. Biederbeck, C. Bigongiari, A. Biland, R. Bird, E. Bissaldi, J. Biteau, M. Bitossi, O. Blanch, M. Blank, J. Blazek, J. Bobin, C. Boccato, F. Bocchino, C. Boehm, M. Bohacova, C. Boisson, J. Boix, J.P. Bolle, J. Bolmont, G. Bonanno, C. Bonavolontà, L. Bonneau Arbeletche, G. Bonnoli, P. Bordas, J. Borkowski, R. Bose, D. Bose, Z. Bosnjak, E. Bottacini, Markus Böttcher, M.T. Botticella, C. Boutonnet, F. Bouyjou, V. Bozhilov, E. Bozzo, L. Brahimi, C. Braiding, S. Brau Nogue, S. Breen, J. Bregeon, M. Breuhaus, A. Brill, W. Brisken, E. Brocato, A.M. Brown, K. Brügge, P. Brun, F. Brun, L. Brunetti, G. Brunetti, P. Bruno, A. Bruno, A. Bruzzese, N. Bucciantini, J. H. Buckley, R. Bühler, A. Bulgarelli, T. Bulik, M. Bünning, M. Bunse, M. Burton, A. Burtovoi, M. Buscemi, S. Buschjager, G. Busetto, J. Buss, K. Byrum, A. Caccianiga, F. Cadoux, A. Calanducci, C. Calderon, J. Calvo Tovar, R. A. Cameron, P. Campana, R. Canestrari, F. Cangemi, B. Cantlay, M. Capalbi, M. Capasso, M. Cappi, A. Caproni, R. Capuzzo Dolcetta, P. Caraveo, V. Cárdenas, L. Cardiel, M. Cardillo, C. Carlile, S. Caroff, R. Carosi, A. Carosi, E. Carquin, M. Carrere, J.M. Casandjian, S. Casanova, F. Cassol, F. Catalani, O. Catalano, D. Cauz, A. Ceccanti, C. Celestino Silva, K. Cerny, M. Cerruti, E. Chabanne, P. Chadwick, Y. Chai, P. Chambery, C. Champion, S. Chaty, A. Chen, K. Cheng, M. Chernyakova, G. Chiaro, A. Chiavassa, M. Chikawa, V.R. Chitnis, J. Chudoba, L. Chytka, S. Cikota, A. Circiello, P. Clark, M. Colak, E. Colombo, S. Colonges, A. Comastri, A. Compagnino, V. Conforti, E. Congiu, R. Coniglione, J. Conrad, F. Conte, J.L. Contreras, P. Coppi, R. Cornat, J. Coronado Blazquez, J. Cortina, A. Costa, H. Costantini, G. Cotter, B. Courty, S. Covino, S. Crestan, P. Cristofari, R. Crocker, J. Croston, K. Cubuk, O. Cuevas, X. Cui, G. Cusumano, S. Cutini, G. D'Amico, F. D'Ammando, P. D'Avanzo, P. Da Vela, M. Dadina, S. Dai, M. Dalchenko, M. Dall'Ora, M.K. Daniel, J. Dauguet, I. Davids, J. Davies, B. Dawson, A. De Angelis, A.E. de Araujo Carvalho, M. de Bony de Lavergne, G. De Cesare, F. de Frondat, I. de la Calle, E. de Gouveia Dal Pino, B. De Lotto, A. De Luca, D. De Martino, M. de Naurois, E. de Ona Wilhelmi, F. De Palma Persio, N. De Simone, V. de Souza Valle, E. Delagnes, G. Deleglise Reznicek, C. Delgado, A.G. Delgado Giler, J. Delgado Mengual Valle, Domenico Della Volpe, D. Depaoli, J. Devin, T. Di Girolamo, C. Di Giulio Pierro, L. Di Venere, C. Díaz, C. Dib, S. Diebold, S. Digel, A. Djannati Atai, J. Djuvsland, A. Dmytriiev, K. Docher, A. Domínguez, D. Dominis Prester, A. Donini, D. Dorner, M. Doro, Rita Cassia dos Anjos, J.L. Dournaux, T. Downes, G. Drake, H. Drass, D. Dravins, C. Duangchan, A. Duara, G. Dubus, L. Ducci, C. Duffy, D. Dumora, K. Dundas Mora, A. Durkalec, V.V. Dwarkadas, J. Ebr, C. Eckner, J. Eder, E. Edy, K. Egberts, S. Einecke, C. Eleftheriadis, D. Elsässer, G. Emery, D. Emmanoulopoulos, J.P. Ernenwein, M. Errando, P. Escarate, J. Escudero, C. Espinoza, S. Ettori, A. Eungwanichayapant, P. Evans, C. Evoli, M. Fairbairn, D. Falceta Goncalves, A. Falcone, V. Fallah Ramazanı, R. Falomo, K. Farakos, G. Fasola, A. Fattorini, Y. Favre, R. Fedora, E. Fedorova, K. Feijen, Q. Feng, G. Ferrand, G. Ferrara, O. Ferreira, M. Fesquet, E. Fiandrini, A. Fiasson, M. Filipovic, D. Fink, J.P. Finley, V. Fioretti, D.F.G. Fiorillo, M. Fiorini, S. Flis, H. Flores, L. Foffano, C. Fohr, M.V. Fonseca, L. Font, G. Fontaine, O. Fornieri, P. Fortin, L. Fortson, N. Fouque, B. Fraga, A. Franceschini, F.J. Franco, L. Freixas Coromina, L. Fresnillo, D. Fugazza, Y. Fujita, S. Fukami, Y. Fukazawa, D. Fulla, S. Funk, A. Furniss, S. Gabici, D. Gaggero, G. Galanti, P. Galdemard, Y. A. Gallant, D. Galloway, S. Gallozzi, V. Gammaldi, R. Garcia, L. E. García-Muñoz, E. Garcia Lopez, F. Gargano, C. Gargano, S. Garozzo, D. Gascon, T. Gasparetto, D. Gasparrini, H. Gasparyan, M. Gaug, N. Geffroy, A. Gent, S. Germani, A. Ghalumyan, A. Ghedina, G. Ghirlanda, F. Gianotti, S. Giarrusso, M. Giarrusso, G. Giavitto, B. Giebels, N. Giglietto, V. Gika, F. Gillardo, R. Gimenes, F. Giordano, E. Giro, M. Giroletti, Andrea Giuliani, M. Gjaja, J.F. Glicenstein, P. Gliwny, H. Goksu, P. Goldoni, J.L. Gomez, M.M. Gonzalez, Juan Manuel Gonzalez, K.S. Gothe, D. Gotz Coelho, T. Grabarczyk, R. Graciani, P. Grandi, G. Grasseau, D. Grasso, D. Green, J. Green, T. Greenshaw, P. Grespan, A. Grillo, M.H. Grondin, J. Grube, V. Guarino, B. Guest, O. Gueta, M. Günduz, S. Gunji, G. Gyuk, J. Hackfeld, D. Hadasch, L. Hagge, A. Hahn, J.E. Hajlaoui, A. Halim, P. Hamal, W. Hanlon, Y. Harada, M.J. Hardcastle, M. Harvey Collado, T. Haubold, A. Haupt, M. Havelka, K. Hayashi, M. Hayashida, H. He, L. Heckmann, M. Heller, F. Henault, Gilles Henri, G. Hermann, S. Hernández Cadena, J. Herrera Llorente, O. Hervet, J. Hinton, A. Hiramatsu, K. Hirotani, B. Hnatyk, R. Hnatyk, J.K. Hoang, D. H.H. Hoffmann, C. Hoischen, J. Holder, M. Holler, B. Hona, D. Horan, Dieter Horns, P. Horvath, J. Houles, M. Hrabovsky, D. Hrupec, Y. Huang, J.‑M. Huet, G. Hughes, G. Hull, T.B. Humensky, M. Hütten, M. Iarlori, J.M. Illa, R. Imazawa, T. Inada, F. Incardona, A. Ingallinera, S. Inoue, T. Inoue, Y. Inoue, F. Iocco, K. Ioka, M. Ionica, S. Iovenitti, A. Iriarte, K. Ishio, W. Ishizaki, Y. Iwamura, J. Jacquemier, M. Jacquemont, M. Jamrozy, P. Janecek, F. Jankowsky, A. JardinBlicq, C. Jarnot, P. Jean Martínez, L. Jocou, N. Jordana, M. Josselin, I. JungRichardt, F.J.P.A. Junqueira, C. Juramy Gilles, P. Kaaret, L.H.S. Kadowaki, M. Kagaya, R. Kankanyan, D. Kantzas, V. Karas, A. Karastergiou, S. Karkar, J. Kasperek, H. Katagiri, J. Kataoka, K. Katarzynski, S. Katsuda, N. Kawanaka, D. Kazanas, D. Kerszberg, B. Khélifi, M.C. Kherlakian, T.P. Kian, D.B. Kieda, T. Kihm, S. Kim, S. Kisaka, R. Kissmann, R. Kleijwegt, G. Kluge, W. Kluźniak, J. Knapp, A. Kobakhidze, Y. Kobayashi, B. Koch, J. Kocot, K. Kohri, N. Komin, A. Kong, K. Kosack, F. Krack, M. Krause, F. Krennrich, H. Kubo, V. N. Kudryavtsev, S. Kunwar, J. Kushida, P. Kushwaha, Barbera Parola, G. La Rosa, R. Lahmann, A. Lamastra, M. Landoni, D. Landriu, R.G. Lang, J. Lapington, P. Laporte, P. Lason, J. Lasuik, J. Lazendic Galloway, T. Le Flour, P. Le Sidaner, S. Leach, S.H. Lee, W.H. Lee, S. Lee Oliveira, A. Lemiere, M. Lemoine Goumard, J.P. Lenain, F. Leone, V. Leray, G. Leto, F. Leuschner, R. Lindemann, E. Lindfors, L. Linhoff, I. Liodakis, A. Lipniacka, M. Lobo, Thomas Lohse, S. Lombardi, A. Lopez, M. Lopez, R. Lopez Coto, F. Louis, M. Louys, F. Lucarelli, H. Ludwig Boudi, P.L. Luque Escamilla, M.C. Maccarone, E. Mach, A.J. Maciejewski, J. Mackey, P. Maeght, C. Maggio, G. Maier, P. Majumdar, M. Makariev, M. Mallamaci, R. Malta Nunes de Almeida, D. Malyshev, D. Mandat, G. Maneva, M. Manganaro, P. Manigot, K. Mannheim, N. Maragos, D. Marano, M. Marconi, A. Marcowith, M. Marculewicz, B. Marcun, J. Marin, N. Marinello, P. Marinos, S. Markoff, P. Marquez, G. Marsella, J. M. Martin, P. G. Martin, M. Martinez, G. Martinez, O. Martinez, H. Martinez Huerta, C. Marty, R. Marx, N. Masetti, P. Massimino, H. Matsumoto, N. Matthews, G. Maurin, W. Max Moerbeck, N. Maxted, M.N. Mazziotta, S.M. Mazzola, J.D. Mbarubucyeye, L. Mc Comb, I. McHardy, S. McKeague, S. McMuldroch, E. Medina, D. Medina Miranda, A. Melandri, C. Melioli, D. Melkumyan, S. Menchiari, S. Mereghetti, G. Merino Arevalo, E. Mestre, J.L. Meunier, T. Meures, S. Micanovic, M. Miceli, M. Michailidis, J. Michalowski, T. Miener, I. Mievre, J. D. Miller, T. Mineo, M. Minev, J.M. Miranda, A. Mitchell, T. Mizuno, B. A. Mode, R. Moderski, L. Mohrmann, E. Molinari, T. Montaruli, I. Monteiro, C. Moore, A. Moralejo, D. Morcuende Parrilla, E. Moretti, K. Mori, P. Moriarty, K. Morik, P. Morris, A. Morselli, K. Mosshammer, R. Mukherjee, J. Muller, C. Mundell, J. Mundet, T. Murach, A. Muraczewski, H. Muraishi, I. Musella, A. Musumarra, A. Nagai, S. Nagataki, T. Naito, T. Nakamori, K. Nakashima, K. Nakayama, N. Nakhjiri, G. Naletto, D. Naumann, L. Nava, M.A. Nawaz, H. Ndiyavala, D. Neise, L. Nellen, R. Nemmen, N. Neyroud, K. Ngernphat, T. Nguyen Trung, L. Nicastro, L. Nickel, J. Niemiec, D. Nieto, C. Nigro, M. Nikołajuk, D. Ninci, K. Noda, Y. Nogami, S. Nolan, R. P. Norris, D. Nosek, M. Nöthe, V. Novotny, S. Nozaki, F. Nunio, P. O'Brien, K. Obara, Y. Ohira, M. Ohishi, S. Ohm, T. Oka, N. Okazaki, A. Okumura, C. Oliver, G. Olivera, B. Olmi, M. Orienti, R. Orito, M. Orlandini, E. Orlando, J.P. Osborne, M. Ostrowski, N. Otte, E. Ovcharov, E. Owen, I. Oya, A. Ozieblo, M. Padovani, A. Pagliaro, A. Paizis, M. Palatiello, M. Palatka, E. Palazzi, J.‑L. Panazol, D. Paneque, S. Panny, Francesca Romana Pantaleo, M. Panter, M. Paolillo, A. Papitto, A. Paravac, J.M. Paredes, G. Pareschi, N. Parmiggiani, R.D. Parsons, P. Paśko, S. R. Patel, B. Patricelli, L. Pavletic, S. Pavy, A. Peer, M. Pecimotika, M.G. Pellegriti, P. Peñil Del Campo, A. Pepato, S. Perard, C. Perennes, M. Peresano, A. Perez Aguilera, J. Perez Romero, M.A. Perez Torres, M. Persic, P. O. Petrucci, O. Petruk, B. Peyaud, K. Pfrang, E. Pian, P. Piatteli, E. Pietropaolo, R. Pillera, D. Pimentel, F. Pintore, C. Pio Garcia, G. Pirola, F. Piron, S. Pita, M. Pohl, V. Poireau, A. Pollo, M. Polo, C. Pongkitivanichkul, J. Porthault, J. Powell, D. Pozo, R.R. Prado, E. Prandini, J. Prast, K. Pressard, G. Principe, N. Produit, D. Prokhorov, H. Prokoph, H. Przybilski, E. Pueschel, G. Pühlhofer, I. Puljak, M.L. Pumo, M. Punch, F. Queiroz, J. Quinn, A. Quirrenbach, P.J. Rajda, R. Rando, S. Razzaque, S. Recchia, P. Reichherzer, O. Reimer, A. Reisenegger, Q. Remy, M. Renaud, T. Reposeur, B. Reville, J.M. Reymond, J. Reynolds, D. Ribeiro, M. Ribo, G. Richards, J. Rico, F. Rieger, L. Riitano, M. Riquelme, D. Riquelme, S. Rivoire, V. Rizi, E. Roache, M. Roche, J. Rodriguez, G. Rodriguez Fernandez, J.C. Rodriguez Ramirez, J.J. Rodriguez Vazquez, G. Rojas, P. Romano, G. Romeo Lobato, C. Romoli, M. Roncadelli, J. Rosado, A. Rosales de Leon, G. Rowell, A. Rugliancich, J.E. Ruiz del Mazo, C. Rulten, C. Russell, F. Russo Hatlen, S. Safi Harb, L. Saha, V. Sahakian, S. Sailer, T. Saito, N. Sakaki, S. Sakurai, G. Salina, H. Salzmann, D. Sanchez, H. Sandaker, A. Sandoval, P. Sangiorgi, M. Sanguillon, H. Sano, M. Santander, A. Santangelo, R. Santos Lima, A. Sanuy, L. Sapozhnikov, T. Saric, S. Sarkar, H. Sasaki, N. Sasaki, Y. Sato, F.G. Saturni, M. Sawada, J. Schaefer, A. Scherer, J. Scherpenberg, P. Schipani, B. Schleicher, J. Schmoll, M. Schneider, H. Schoorlemmer, P. Schovanek, F. Schussler, B. Schwab, U. Schwanke, J. Schwarz, E. Sciacca, S. Scuderi, M. Seglar Arroyo, I. Seitenzahl, D. Semikoz, O. Sergijenko, J.E. Serna Franco, Karol Seweryn, V. Sguera, A. Shalchi, R.Y. Shang, P. Sharma, L. Sidoli, J. Sieiro, H. Siejkowski, A. Sillanpaa, B.B. Singh, K.K. Singh, A. Sinha, C. Siqueira, J. Sitarek, P. Sizun, V. Sliusar, D. Sobczynska, R.W. Sobrinho, H. Sol, G. Sottile, H. Spackman, S. Spencer, G. Spengler, D. Spiga, W. Springer, A. Stamerra, S. Stanic, R. Starling, Ł. Stawarz, Stanislav Stefanik, C. Stegmann, A. Steiner, S. Steinmassl, C. Stella, R. Sternberger, M. Sterzel, C. Stevens, B. Stevenson, T. Stolarczyk, G. Stratta, U. Straumann, J. Striskovic, M. Strzys, R. Stuik, M. Suchenek, Y. Sunada, Tiina Suomijarvi, T. Suric, H. Suzuki, P. Swierk, T. Szepieniec, K. Tachihara, G. Tagliaferri, H. Tajima, N. Tajima, D. Tak, H. Takahashi, M. Takahashi, J. Takata, R. Takeishi, T. Tam, M. Tanaka, T. Tanaka, S. Tanaka, M. Tavani, F. Tavecchio, T. Tavernier, A. Russ Taylor, L.A. Tejedor, P. Temnikov, K. Terauchi, J.C. Terrazas, R. Terrier, T. Terzic, M. Teshima, D. Thibaut, F. Thocquenne, W. Tian, L. Tibaldo, A. Tiengo, M. Tluczykont, C.J. Todero Peixoto, K. Toma, L. Tomankova, J. Tomastik, M. Tornikoski, D.F. Torres, E. Torresi, G. Tosti, L. Tosti, N. Tothill, F. Toussenel, G. Tovmassian, C. Trichard, M. Trifoglio, A. Trois, S. Truzzi, A. Tsiahina, B. Turk, A. Tutone, Y. Uchiyama, P. Utayarat, L. Vaclavek, M. Vacula, V. Vagelli, F. Vagnetti, J.A. Valdivia, M. Valentino, A. Valio, B. Vallage, P. Vallania Quispe, A.M. van den Berg, W. van Driel, C. van Eldik, C. van Rensburg, Brian van Soelen, J. Vandenbroucke, G. Vasileiadis, V. Vassiliev, M. Vazquez Acosta, M. Vecchi, A. Vega, J. Veh, P. Veitch, C. Venter, S. Ventura, S. Vercellone, V. Verguilov, G. Verna, S. Vernetto, V. Verzi, G.P. Vettolani, C. Veyssiere, I. Viale, A. Viana, N. Viaux, J. Vignatti, C.F. Vigorito, J. Villanueva, V. Vitale, V. Vittorini, V. Vodeb, N. Vogel, V. Voisin, S. Vorobiov, M. Vrastil, T. Vuillaume, S.J. Wagner, P. Wagner, K. Wakazono, S.P. Wakely, M. Ward, D. Warren, J. Watson, M. Wechakama, P. Wegner, A. Weinstein, C. Weniger, F. Werner, H. Wetteskind, M. L. White, A. Wierzcholska, S. Wiesand, R. Wijers, M. Wilkinson, M. Will, J. Williams, T. J. Williamson, A. Wolter, Y.W. Wong, M. Wood, T. Yamamoto, H. Yamamoto, Y. Yamane, R. Yamazaki, S. Yanagita, L. Yang, S. Yoo, T. Yoshida, T. Yoshikoshi, P. Yu, A. Yusafzai, Michael Zacharias, B. Zaldivar, L. Zampieri, R. Zanin, R. Zanmar Sanchez, D. Zaric, M. Zavrtanik, D. Zavrtanik, Andrzej Zdziarski, A. Zech, H. Zechlin, A. Zenin, A. Zerwekh, K. Ziętara, A. Zink, J. Ziolkowski, M. Zivec, A. Zmija, Współautorami artykułu są członkowie CTA Observatory, CTA Consortium i LST Collaboration w liczbie 1139, Astronomy, Research unit Nuclear & Hadron Physics, and Research unit Astroparticle Physics
Subjects: Physics, Observatory, Gamma ray, Astronomy
Abstract: Very-high Energy (VHE) gamma-ray astroparticle physics is a relatively young field, and observations over the past decade have surprisingly revealed almost two hundred VHE emitters which appear to act as cosmic particle accelerators. These sources are an important component of the Universe, influencing the evolution of stars and galaxies. At the same time, they also act as a probe of physics in the most extreme environments known - such as in supernova explosions, and around or after the merging of black holes and neutron stars. However, the existing experiments have provided exciting glimpses, but often falling short of supplying the full answer. A deeper understanding of the TeV sky requires a significant improvement in sensitivity at TeV energies, a wider energy coverage from tens of GeV to hundreds of TeV and a much better angular and energy resolution with respect to the currently running facilities. The next generation gamma-ray observatory, the Cherenkov Telescope Array Observatory (CTAO), is the answer to this need. In this talk I will present this upcoming observatory from its design to the construction, and its potential science exploitation. CTAO will allow the entire astronomical community to explore a new discovery space that will likely lead to paradigm-changing breakthroughs. In particular, CTA has an unprecedented sensitivity to short (sub-minute) timescale phenomena, placing it as a key instrument in the future of multi-messenger and multi-wavelength time domain astronomy. I will conclude the talk presenting the first scientific results obtained by the LST-1, the prototype of one CTAO telescope type - the Large-Sized Telescope, that is currently under commission., PoS: Proceedings of Science, 395, ISSN:1824-8039, Proceedings of 37th International Cosmic Ray Conference (ICRC2021)
Published: 2022

16. Assembly and performance of SiPM arrays for the prototype SCT proposed for CTA

Author: G. Ambrosi, M. Ambrosio, C. Aramo, W. Benbow, B. Bertucci, E. Bissaldi, M. Bitossi, A. Boiano, C. Bonavolontà, R.A. Cameron, M. Capasso, L. Consiglio, D. Depaoli, F. Di Pierro, L. Di Venere, E. Fiandrini, A. Furniss, A. Gent, N. Giglietto, F. Giordano, W. Hanlon, O. Hervet, S. Incardona, M. Ionica, W. Jin, D. Kieda, F. Licciulli, S. Loporchio, G. Marsella, V. Masone, B.A.W. Mode, R. Mukherjee, F.R. Pantaleo, R. Paoletti, D. Ribeiro, A. Rugliancich, L. Saha, L. Stiaccini, L.P. Taylor, L. Tosti, G. Tripodo, V. Vagelli, M. Valentino, J. Vandenbroucke, V.V. Vassiliev, and D.A. Williams
Subjects: Nuclear and High Energy Physics, Silicon photomultipliers, Cherenkov telescopes array, Very high-energy astrophysics, Silicon photomultipliers, Cherenkov telescopes array, Very high-energy astrophysics, Instrumentation
Published: 2022

17. Extraction of the Muon Signals Recorded with the Surface Detector of the Pierre Auger Observatory Using Recurrent Neural Networks

Author: Jose Chinellato, Marvin Gottowik, Dariusz Gora, Eric Mayotte, A. Gorgi, M. Gómez Berisso, Alan Coleman, S. J. Saffi, Ioana Caracas, R. C. Shellard, R.J. Barreira Luz, Miroslav Pech, M. Pothast, Pavel Horvath, A. Letessier-Selvon, Mario Buscemi, G. De Mauro, A. Tapia, Jörg R. Hörandel, I. Lhenry-Yvon, P. Ruehl, L. Valore, H. Gemmeke, Lorenzo Cazon, C. Pérez Bertolli, M. Suárez-Durán, M. Unger, E. M. Santos, Sullivan Marafico, Clara Keiko Oliveira Watanabe, Serguei Vorobiov, Marco Giammarchi, Jon Paul Lundquist, A. Menshikov, R. Alves Batista, Bruce R. Dawson, F. Pedreira, Sofia Andringa, Julien Manshanden, Andres Travaini, E. Varela, J.D. Sanabria Gomez, Roberto Mussa, Frank G. Schröder, P.O. Mazur, Marina Scornavacche, Jonathan Biteau, F. Salamida, A. Yushkov, Paul Sommers, Maximilian Reininghaus, Raul Sarmento, Felix Schlüter, Fabian Gobbi, Ioana Codrina Maris, Violet M. Harvey, D. Harari, Martina Bohacova, G. P. Guedes, Toshihiro Fujii, Jakub Juryšek, John Farmer, D. Nitz, G. Cataldi, V. Scherini, J. Rautenberg, M. Risse, Jonathan Blazek, Q. Luce, Juan Pablo Gongora, Alena Bakalova, K. Choi, Esteban Roulet, D. Melo, M. Schimp, H. J. Mathes, A. Puyleart, Stanislav Michal, Corinne Berat, M. Giller, Orazio Zapparrata, B. C. Manning, Marcio Aparecido Muller, Maria-Teresa Dova, Markus Roth, R. Sato, Lourenco Lopes, P. Abreu, D. Ravignani, G. Golup, N. Kunka, T. Bister, Maria Rita Coluccia, G. C. Hill, Maximilian Stadelmaier, J. F. Valdés Galicia, I. De Mitri, N. Fazzini, Petr Hamal, Ana Martina Botti, Francesco Fenu, Steffen Hahn, Juan Carlos D'Olivo, T. Pierog, Antonio Condorelli, Alina Mihaela Badescu, Cristina Galea, Jonas Glombitza, F. C. T. Barbato, M. Prouza, Justin M. Albury, P. L. Ghia, L. R. Wiencke, S. Schröder, Niklas Langner, Italo Epicoco, G. Parente, Fabrizia Canfora, Jose J. Gonzalez, Dusan Mandat, Ralph Engel, J. Ridky, J. Rodriguez Rojo, Fridtjof Feldbusch, Enrique Zas, Lorenzo Caccianiga, L. Zehrer, Thomas Hebbeker, M. A. Leigui de Oliveira, Sergio Dasso, Tristan Sudholz, M. I. Micheletti, J. Chudoba, F. Riehn, Carola Dobrigkeit, M. Muzio, V. Novotny, A.L. Garcia Vegas, C. M. Schäfer, Marcel Köpke, M. Platino, François Montanet, A. Insolia, M. Kleifges, D. Zavrtanik, Fernando Contreras, Valerio Verzi, B. Tome, Martín Miguel Freire, Rossella Caruso, B. L. Lago, A. Lucero, Fernando Catalani, Bjarni Pont, E.E. Pereira Martins, J. de Oliveira, J. Pȩkala, Alejandro Almela, Jaime Alvarez-Muñiz, Alexandru Gherghel-Lascu, Brian Fick, Josina Schulte, V. Pirronello, C. J.W.P. Timmermans, Martin Vacula, Julian Kemp, Philipp Papenbreer, Rúben Conceição, M. E. Bertaina, Alan Watson, M. Perlin, Mihai Niculescu-Oglinzanu, L. Bonneau Arbeletche, G. Marsella, Petr Travnicek, Paula Gina Isar, Peter Hansen, W. M. Namasaka, M. Mastrodicasa, Carla Bleve, Rodrigo Guedes Lang, David Wittkowski, Lukáš Vaclavek, Belén Andrada, A. C. Rovero, Eleonora Guido, G. Mancarella, Jesús Peña-Rodríguez, B. Keilhauer, G. Salina, Olivier Deligny, Trent D. Grubb, F. Guarino, John Matthews, Peter Buchholz, Heino Falcke, Alexandru Balaceanu, Vladimir Lenok, P. Tobiska, L. Perrone, Alex Kääpä, Magdalena Cerdá, Juan Manuel Figueira, Roberta Colalillo, Carla Aramo, Matías J. Roncoroni, S. J. Sciutto, R.C. dos Anjos, A. G. Mariazzi, Adriana Vásquez-Ramírez, Vincenzo Rizi, Julien Souchard, D. Martello, J. Vicha, Hernán Asorey, A. Di Matteo, Juan Miguel Carceller, Silvia Mollerach, Flavia Gesualdi, Tomáš Fodran, Alina Nasr-Esfahani, M. Palatka, Xavier Bertou, Marco Aglietta, O. Martínez Bravo, B. Wundheiler, A. Zepeda, Miroslav Hrabovský, Pedro Assis, H. Martinez, A. Etchegoyen, Jeffrey A. Johnsen, L. Lu, H. Schieler, Ugo Giaccari, N. González, A. Segreto, J. F. Soriano, Günter Sigl, Antonella Castellina, A. Haungs, P. Stassi, Radomir Smida, A. Machado Payeras, Thomas Bretz, Gaia Silli, A. Filipčič, Kai Daumiller, F. Sanchez, Petr Janecek, Corbin Covault, F. Sarazin, Srijan Sehgal, Matías Rolf Hampel, Fernando Gollan, S. Petrera, Marc Weber, F. de Palma, P. Mantsch, Lino Miramonti, V. de Souza, D. de Oliveira Franco, G. Matthiae, Z. Szadkowski, Christian Sarmiento-Cano, P. Savina, W. Rodrigues de Carvalho, Antonio Bueno, G. Farrar, T. Huege, Jeffrey Brack, Olaf Scholten, Humberto Ibarguen Salazar, R. M. de Almeida, Gualberto Avila, Octavian Sima, Nataliia Borodai, Miguel Mostafa, A. Fuster, Samo Stanič, D. Lo Presti, D. Correia dos Santos, Isabel Goos, D. Heck, Rodrigo Pelayo, S. J. De Jong, L. Nellen, L. Anchordoqui, A. Taboada, Stijn Buitink, Katie Mulrey, M. del Río, Jarryd A. Day, A. Saftoiu, P.F. Gómez Vitale, C. Morello, A.C. Cobos Cerutti, T. Suomijärvi, D. Nosek, E. Santos, J. Pallotta, J. R. T. de Mello Neto, A. Weindl, Peter L. Biermann, David Schmidt, Paolo Privitera, Hernan Wahlberg, Darko Veberič, A. Parra, M. Schimassek, C. Hojvat, Jan Ebr, Jacco Vink, H.O. Klages, M. Trini, A. A. Nucita, J. Kleinfeller, Carlos Escobar, Kevin-Druis Merenda, A.D. Supanitsky, P.G. Brichetto Orchera, I. Allekotte, A. C. Fauth, Carla Bonifazi, Jose A. Bellido, Fabio Convenga, I.D. Vergara Quispe, J. Stasielak, K.-H. Becker, M. Pimenta, Denise Boncioli, P.R. Araújo Ferreira, Tobias Winchen, Florian Lukas Briechle, A. Aab, K. H. Kampert, J. C. Arteaga Velázquez, J. Perez Armand, Carla Taricco, C. Trimarelli, Matias Tueros, Claudio Galelli, B. García, R. López, Karen S. Caballero-Mora, Luis A. Nunez, Marcus Niechciol, Martin Erdmann, J. de Jesús, A. Streich, Gioacchino Alex Anastasi, M. Wirtz, Roger W Clay, S. Querchfeld, Olena Tkachenko, J. Šupík, Carlo Ventura, Ladislav Chytka, J. Hulsman, R. Squartini, Alfred Müller, G. Medina-Tanco, M. Zavrtanik, E. De Vito, Giovanni Consolati, C. J. Todero Peixoto, Petr Schovanek, Denis Stanca, H. Wilczyński, Ralf Ulrich, L. Nožka, Physics, Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Alvarez-Muniz, J., Batista, R. A., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Ferreira, P. R. A., Velazquez, J. C. A., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Luz, R. J. B., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Bister, T., Biteau, J., Blazek, J., Bleve, C., Bohacova, M., Boncioli, D., Bonifazi, C., Arbeletche, L. B., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Orchera, P. G. B., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cerutti, A. C. C., Colalillo, R., Coleman, A., Coluccia, M. R., Conceicao, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., dos Santos, D. C., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jesus, J., de Jong, S. J., de Mauro, G., de Mello Neto, J. R. T., de Mitri, I., de Oliveira, J., de Oliveira Franco, D., de Palma, F., de Souza, V., de Vito, E., del Rio, M., Deligny, O., Di Matteo, A., Dobrigkeit, C., D'Olivo, J. C., dos Anjos, R. C., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filipcic, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garcia, B., Vegas, A. L. G., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., Berisso, M. G., Vitale, P. F. G., Gongora, J. P., Gonzalez, J. M., Gonzalez, N., Goos, I., Gora, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Hamal, P., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., Horandel, J. R., Horvath, P., Hrabovsky, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Janecek, P., Johnsen, J. A., Jurysek, J., Kaapa, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Kopke, M., Kunka, N., Lago, B. L., Lang, R. G., Langner, N., de Oliveira, M. A. L., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lo Presti, D., Lopes, L., Lopez, R., Lu, L., Luce, Q., Lucero, A., Lundquist, J. P., Payeras, A. M., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Maris, I. C., Marsella, G., Martello, D., Martinez, H., Bravo, O. M., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mollerach, S., Montanet, F., Morello, C., Mostafa, M., Muller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nasr-Esfahani, A., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., Nozka, L., Nucita, A., Nunez, L. A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., Pekala, J., Pelayo, R., Pena-Rodriguez, J., Martins, E. E. P., Armand, J. P., Bertolli, C. P., Perlin, M., Perrone, L., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Rizi, V., de Carvalho, W. R., Rojo, J. R., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Gomez, J. D. S., Sanchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schafer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schluter, F., Schmidt, D., Scholten, O., Schovanek, P., Schroder, F. G., Schroder, S., Schulte, J., Sciutto, S. J., Scornavacche, M., Segreto, A., Sehgal, S., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Smida, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stanic, S., Stasielak, J., Stassi, P., Streich, A., Suarez-Duran, M., Sudholz, T., Suomijarvi, T., Supanitsky, A. D., Supik, J., Szadkowski, Z., Taboada, A., Tapia, A., Taricco, C., Timmermans, C., Tkachenko, O., Tobiska, P., Peixoto, C. J. T., Tome, B., Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Vaclavek, L., Vacula, M., Galicia, J. F. V., Valore, L., Varela, E., Varma, V., Vasquez-Ramirez, A., Veberic, D., Ventura, C., Quispe, I. D. V., Verzi, V., Vicha, J., Vink, J., Vorobiov, S., Wahlberg, H., Watanabe, C., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczynski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Research unit Astroparticle Physics, Alvarez-Mu??iz, J., Alves Batista, R., Ara??jo Ferreira, P. R., Arteaga Vel??zquez, J. C., Barreira Luz, R. J., Boh????ov??, M., Bonneau Arbeletche, L., Brichetto Orchera, P. G., Cobos Cerutti, A. C., Concei????o, R., Correia dos Santos, D., de Jes??s, J., De Mauro, G., De Mitri, I., De Vito, E., del R??o, M., Filip??i??, A., Garc??a, B., Garcia Vegas, A. L., G??mez Berisso, M., G??mez Vitale, P. F., Gonz??lez, J. M., Gonz??lez, N., G??ra, D., H??randel, J. R., Hrabovsk??, M., K????p??, A., K??pke, M., Leigui de Oliveira, M. A., L??pez, R., Machado Payeras, A., Mari??, I. C., Mart??nez Bravo, O., Mostaf??, M., M??ller, A. L., No??ka, L., N????ez, L. A., P??kala, J., Pe??a-Rodriguez, J., Pereira Martins, E. E., Perez Armand, J., P??rez Bertolli, C., Rodrigues de Carvalho, W., Rodriguez Rojo, J., Sanabria Gomez, J. D., S??nchez, F., Sch??fer, C. M., Schl??ter, F., Schov??nek, P., Schr??der, F. G., Schr??der, S., m??da, R., Stani??, S., Su??rez-Dur??n, M., Suomij??rvi, T., up??k, J., Todero Peixoto, C. J., Tom??, B., Vald??s Galicia, J. F., Varma K. C., V., V??squez-Ram??rez, A., Veberi??, D., Vergara Quispe, I. D., Wilczy??ski, H., High Energy Astrophys. & Astropart. Phys (API, FNWI), Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Alvarez-Muniz J., Batista R.A., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Ferreira P.R.A., Velazquez J.C.A., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Luz R.J.B., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Bister T., Biteau J., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Arbeletche L.B., Borodai N., Botti A.M., Brack J., Bretz T., Orchera P.G.B., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cerutti A.C.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., dos Santos D.C., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., de Almeida R.M., de Jesus J., de Jong S.J., de Mauro G., de Mello Neto J.R.T., de Mitri I., de Oliveira J., de Oliveira Franco D., de Palma F., de Souza V., de Vito E., del Rio M., Deligny O., Di Matteo A., Dobrigkeit C., D'Olivo J.C., dos Anjos R.C., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Vegas A.L.G., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Berisso M.G., Vitale P.F.G., Gongora J.P., Gonzalez J.M., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Hamal P., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Janecek P., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Kunka N., Lago B.L., Lang R.G., Langner N., de Oliveira M.A.L., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Lo Presti D., Lopes L., Lopez R., Lu L., Luce Q., Lucero A., Lundquist J.P., Payeras A.M., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Bravo O.M., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nasr-Esfahani A., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pekala J., Pelayo R., Pena-Rodriguez J., Martins E.E.P., Armand J.P., Bertolli C.P., Perlin M., Perrone L., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Rizi V., de Carvalho W.R., Rojo J.R., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Gomez J.D.S., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulte J., Sciutto S.J., Scornavacche M., Segreto A., Sehgal S., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Taricco C., Timmermans C., Tkachenko O., Tobiska P., Peixoto C.J.T., Tome B., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Vaclavek L., Vacula M., Galicia J.F.V., Valore L., Varela E., Varma V., Vasquez-Ramirez A., Veberic D., Ventura C., Quispe I.D.V., Verzi V., Vicha J., Vink J., Vorobiov S., Wahlberg H., Watanabe C., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., and Zepeda A.
Subjects: Photon, Physics::Instrumentation and Detectors, Astronomy, Electron, 01 natural sciences, High Energy Physics - Experiment, Auger, High Energy Physics - Experiment (hep-ex), mass [cosmic radiation], surface [detector], Observatory, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], photon: cosmic radiation, Instrumentation, Mathematical Physics, Physics, AGASA, Settore FIS/01 - Fisica Sperimentale, Detector, cosmic radiation [photon], Astrophysics::Instrumentation and Methods for Astrophysics, Monte Carlo [numerical calculations], electromagnetic [showers], observatory, cosmic radiation [electron], Analysis and statistical methods, numerical calculations: Monte Carlo, Analysis and statistical method, performance, positron: cosmic radiation, atmosphere [showers], Cherenkov detector, data analysis method, Calibration and fitting methods, Cherenkov detectors, Cluster finding, Large detector systems for particle and astroparticle physics, Pattern recognition, Cherenkov counter: water, air, neural network, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Cosmic ray, cosmic radiation [positron], cosmic radiation: mass, Calibration and fitting method, Nuclear physics, statistical analysis, 0103 physical sciences, showers: electromagnetic, ddc:530, ddc:610, High Energy Physics, 010306 general physics, Zenith, Pierre Auger Observatory, cosmic radiation [muon], Muon, showers: atmosphere, 010308 nuclear & particles physics, detector: surface, hep-ex, water [Cherenkov counter], electron: cosmic radiation, Recurrent neural network, muon: cosmic radiation, Large detector systems for particle and astroparticle physic, Experimental High Energy Physics, High Energy Physics::Experiment, RAIOS CÓSMICOS, experimental results
Abstract: The Pierre Auger Observatory, at present the largest cosmic-ray observatory ever built, is instrumented with a ground array of 1600 water-Cherenkov detectors, known as the Surface Detector (SD). The SD samples the secondary particle content (mostly photons, electrons, positrons and muons) of extensive air showers initiated by cosmic rays with energies ranging from $10^{17}~$eV up to more than $10^{20}~$eV. Measuring the independent contribution of the muon component to the total registered signal is crucial to enhance the capability of the Observatory to estimate the mass of the cosmic rays on an event-by-event basis. However, with the current design of the SD, it is difficult to straightforwardly separate the contributions of muons to the SD time traces from those of photons, electrons and positrons. In this paper, we present a method aimed at extracting the muon component of the time traces registered with each individual detector of the SD using Recurrent Neural Networks. We derive the performances of the method by training the neural network on simulations, in which the muon and the electromagnetic components of the traces are known. We conclude this work showing the performance of this method on experimental data of the Pierre Auger Observatory. We find that our predictions agree with the parameterizations obtained by the AGASA collaboration to describe the lateral distributions of the electromagnetic and muonic components of extensive air showers., Comment: Published version, 23 pages, 15 figures
Published: 2022
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18. A SiPM multichannel ASIC for high Resolution Cherenkov Telescopes (SMART) developed for the pSCT camera telescope

Author: C. Aramo, E. Bissaldi, M. Bitossi, C. Bonavolontà, G. De Robertis, L. Di Venere, F. Giordano, S. Incardona, F. Licciulli, S. Loporchio, G. Marsella, F.R. Pantaleo, R. Paoletti, and G. Tripodo
Subjects: Front end electronics, ASICs, SiPM readout, Nuclear and High Energy Physics, Front end electronics, ASICs, SiPM readout, Instrumentation
Published: 2023
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19. Assembly and test of prototype scintillator tiles for the plastic scintillator detector of the High Energy Cosmic Radiation Detection (HERD) facility

Author: C. Altomare, F. Alemanno, F.C.T. Barbato, P. Bernardini, P.W. Cattaneo, I. De Mitri, F. de Palma, P. Dipinto, L. Di Venere, M. Di Santo, P. Fusco, F. Gargano, D. Kyratzis, F. Liciulli, F. Loparco, S. Loporchio, G. Marsella, M.N. Mazziotta, M. Mongelli, F.R. Pantaleo, M. Papagni, A. Parenti, R. Pillera, A. Rappoldi, G.L. Raselli, M. Rossella, D. Serini, L. Silveri, A. Surdo, and R. Triggiani
Subjects: History, Computer Science Applications, Education
Abstract: Satellite experiments for gamma-ray and cosmic-ray detection employ plastic scintillators to discriminate charged from neutral particles in order to correctly identify gamma-rays and charged nuclei. The High Energy Cosmic Radiation Detection (HERD) facility will be among these experiments, to be installed onboard the future Chinese Space Station (CSS), to detect cosmic-rays and gamma-rays up to TeV energies. The plastic scintillator detector (PSD) will consist of scintillator tiles or bars coupled to Silicon Photomultipliers (SiPMs). To discriminate gamma-rays from charged particles and measure the ion charge up to iron nuclei a wide dynamic range is required, from few tens up to thousands of photoelectrons. We have equipped a plastic scintillator tile prototype with SiPMs produced by Hamamatsu and AdvanSiD and coupled their analog signals to the DT5550W board based on the CITIROC ASIC, produced by CAEN SpA. The CITIROC ASIC allows both the formation of a fast trigger with a configurable threshold and the digitization of analog waveforms after a preamplification and shaping stage along two paths with different gain settings. The performance of our prototype will be shown.
Published: 2022
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20. A complete MC optical photons tracking simulation of Plastic Scintillator Detectors for the next generation of satellite experiments

Author: C. Altomare, F. Alemanno, F.C.T. Barbato, P. Bernardini, P.W. Cattaneo, I. De Mitri, F. de Palma, L. Di Venere, M. Di Santo, P. Fusco, F. Gargano, D. Kyratzis, F. Loparco, S. Loporchio, G. Marsella, M.N. Mazziotta, F.R. Pantaleo, A. Parenti, R. Pillera, A. Rappoldi, G.L. Raselli, M. Rossella, D. Serini, L. Silveri, and A. Surdo
Subjects: History, Computer Science Applications, Education
Abstract: Plastic scintillators are widely used for anti-coincidence systems and for the identification of charged cosmic-ray nuclei in satellite experiments. For this reason, a plastic scintillator detector (PSD) should have a high detection efficiency for charged cosmic rays and a very good capability of measuring charges. We implemented a full and customizable simulation tool to investigate the performance of a PSD coupled to Silicon Photomultipliers. The overall performance of the detector is studied by tracking optical photons produced inside the scintillator. The simulation will be used for the design of a PSD for future space experiments, such as HERD, AMEGO, e-Astrogam. In this work we investigated in detail the effect of Birks’ saturation in the discrimination of charged ions up to iron nuclei. We will show the comparison between simulations and measurements conducted on prototype scintillator tiles.
Published: 2022
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21. Detection of the Crab Nebula by the prototype Schwarzschild-Couder Telescope

Author: G. Pareschi, Manel Errando, Corbin Covault, F. Di Pierro, S. I. Mognet, V. Masone, N. Giglietto, D. B. Kieda, L. Di Venere, E. Roache, M. Ambrosio, Julien Rousselle, Justin Vandenbroucke, D. Ribeiro, N. Otte, Maria Ionica, Alasdair E. Gent, F. R. Pantaleo, Enrico Giro, A. Boiano, K. Meagher, Serena Loporchio, E. Fiandrini, H. Tajima, Valerio Vagelli, Atsushi Okumura, Marcos Santander, B. A. W. Mode, Luca Tosti, S. Incardona, L. P. Taylor, E. Pueschel, G. Ambrosi, David A. Williams, M. Capasso, V. V. Vassiliev, M. Bitossi, P. I. Batista, Bruna Bertucci, J. H. Buckley, A. Brill, A. M. Brown, G. Tripodo, W. Jin, G. Marsella, Wystan Benbow, C. Bonavolontà, S. J. Fegan, Richard Bose, R. Shang, D. Depaoli, R. Paoletti, Jamie Holder, Rodolfo Canestrari, F. Licciulli, Andrea Rugliancich, Thomas Meures, M. Valentino, Amy Furniss, Olivier Hervet, C. B. Adams, Carla Aramo, R. A. Cameron, Q. Feng, T. B. Humensky, Elisabetta Bissaldi, L. Stiaccini, A. Zink, Reshmi Mukherjee, G. H. Tovmassian, L. Riitano, Ferdinando Giordano, R. Halliday, and M. Caprai
Subjects: astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), Pixel, business.industry, Computer science, FOS: Physical sciences, Field of view, Cherenkov Telescope Array, law.invention, Telescope, Crab Nebula, Silicon photomultiplier, Optics, law, Observatory, Angular resolution, business, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, astro-ph.IM, Instrumentation and Methods for Astrophysics (astro-ph.IM)
Abstract: The Schwarzschild-Couder Telescope (SCT) is a medium-sized telescope technology proposed for the Cherenkov Telescope Array. It uses a novel dual-mirror optical design that removes comatic aberrations across its entire field of view. The SCT camera employs high-resolution silicon photomultiplier (SiPM) sensors with a pixel size of 4 arcminutes. A prototype SCT (pSCT) has been constructed at the Fred Lawrence Whipple Observatory in Arizona, USA. An observing campaign in 2020, with a partial camera of 1600 pixels (2.7 degrees by 2.7 degrees field of view) resulted in detection of the Crab Nebula at 8.6 sigma statistical significance. Work on the pSCT camera and optical system is ongoing to improve performance and prepare for an upcoming camera upgrade. The pSCT camera upgrade will replace the current camera modules with improved SiPMs and readout electronics and will expand the camera to its full design field of view of 8 degrees in diameter (11,328 pixels). The fully upgraded pSCT will enable next-generation very-high-energy gamma-ray astrophysics through excellent background rejection and angular resolution. In this presentation we describe first results from the successful operation of the pSCT and future plans., 9 pages, 3 figures, 2 tables, contribution to ICRC 2021, similar to 10.1016/j.astropartphys.2021.102562 (arXiv:2012.08448)
Published: 2021

22. Charge Loss Correction in the Silicon-Tungsten Tracker-Converter for Proton-Helium Charge Identification in the DAMPE Detector

Author: Zi Qing Xia, F. C. T. Barbato, M. Di Santo, Kai Kai Duan, D. Mo, A. Ruina, A. Kotenko, Tao Ma, Yong Jie Zhang, Yan Fang Wang, M. N. Mazziotta, H. Su, Yong Qiang Zhang, A. Parenti, Guang Shun Huang, Z. X. Dong, Meng Su, Hui Jun Yao, Jinglai Duan, Xiao Yuan Huang, Yang Haibo, X. J. Teng, Qi Ding, F. de Palma, J. N. Rao, Chang Yi Zhou, Zhi Yong Zhang, J. J. Zang, Lei Feng, Chang Qing Feng, Hao Ran Sun, J. J. Wei, Lihui Wu, Huaguang Wang, Yi Zhang, Yao Ming Liang, Xu Pan, D. D'Urso, Zhan Fang Chen, Yan Zhang, Maria Ionica, Jie Kong, E. Casilli, W. H. Shen, Y. Y. Huang, Shi Jun Lei, Cong Zhao, L. Silveri, P. Fusco, A. De Benedittis, M. S. Cai, Deng Yi Chen, F. Alemanno, Peng Xiong Ma, Z. T. Shen, I. De Mitri, D. Droz, Yang Liu, Q. An, Xiao Yong Ma, W. X. Peng, M. Stolpovskiy, M. Y. Cui, Zi Zong Xu, Sheng Xia Zhang, Jin Zhou Wang, K. Gong, Yi-Zhong Fan, Xiang Li, Hong Yun Zhao, M. M. Salinas, Xiao Yang Niu, Ya Peng Zhang, R. Qiao, Z. Y. Sun, G. Z. Shang, Shuang Xue Han, E. Catanzani, Shu Xin Wang, Wen Hao Li, Peng Yang, Di Wu, En Heng Xu, T. S. Cui, A. Surdo, Jian Wu, Jin Chang, P. Azzarello, Chuan Yue, Ya Qing Yang, Shen Wang, Xin Wu, Fang Fang, Kun Fang, Chuan Ning Luo, Maksym Deliyergiyev, F. Gargano, Jian Hua Guo, D. Kyratzis, Y. Z. Gong, Qiang Yuan, X. Y. Peng, S. B. Liu, Xian Qiang Li, M. M. Ma, Y. F. Wei, Y. H. Yu, Yun Long Zhang, C. Liu, Xiao Lian Wang, V. Gallo, W. Zhang, Wei Jiang, Zhe Zhang, C. Perrina, G. F. Xue, Ying Wang, Yu Xing Cui, Sha Sha Wu, Giacinto Donvito, Y. M. Hu, F. Loparco, J. L. Chen, Hao Ting Dai, L. G. Wang, Dong Ya Guo, Guan Wen Yuan, Hao Liu, Jie Liu, G. Marsella, Andrii Tykhonov, Hai Tao Xu, Xiao Jun Bi, Min Gao, Zun Lei Xu, Zhao Qiang Shen, Xun Feng Zhao, Zhi Hui Xu, Da Ming Wei, Wei Liang Li, P. Bernardini, Tie Kuang Dong, Jing Xing Song, R. R. Fan, and Yuan Zhu Wang
Subjects: Physics, Nuclear physics, chemistry, Proton, Physics::Instrumentation and Detectors, Dark matter, Detector, Gamma ray, chemistry.chemical_element, Particle, Charge (physics), Helium, Ion
Abstract: The DArk Matter Particle Explorer (DAMPE) is a satellite-borne experiment, in operation since 2015, aimed at studying high-energy gamma rays and cosmic nuclei fluxes. Of the various sub-detectors in the DAMPE payload, the Silicon-Tungsten tracKer-converter (STK) plays a significant role in the charge measurement of incoming ions. Depending on the angle of inclination of the impinging particle and its position of impact on these strips, the collected charge can spread between the strips which results in some fractional signal loss. The $\eta$ variable is used to identify this spread of charge across the strips and correct for the associated charge loss. This brings us closer to accurate determination of particle charge which is crucial for ensuring a good discrimination between particles. The $\eta$-correction is, therefore, expected to play an important role in the determination of heavy ions by the DAMPE detector. It has helped reduce the proton background for the helium identification in STK by a factor of 1.5 for MIP tracks. It has been sucessfully applied to carbon nuclei and its application to heavier nuclei is currently being studied.
Published: 2021
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23. Performance of the DAMPE silicon-tungsten tracker during the first 5 years of in-orbit operations

Author: Peng Yang, Jinglai Duan, Xian Qiang Li, Zun Lei Xu, Zhi Yong Zhang, Xiang Li, Zhao Qiang Shen, Xun Feng Zhao, Yang Haibo, Z. X. Dong, M. M. Ma, J. N. Rao, X. J. Teng, Ying Wang, Yang Liu, Guan Wen Yuan, Jin Zhou Wang, Qi Ding, Zhi Hui Xu, Kai Kai Duan, Z. Y. Sun, G. Marsella, Yu Xing Cui, D. Mo, J. J. Zang, Andrii Tykhonov, Da Ming Wei, W. H. Shen, Qiang Yuan, Giacinto Donvito, Y. H. Yu, Yun Long Zhang, P. Azzarello, Huaguang Wang, I. Di Santo, M. S. Cai, Hai Tao Xu, Yan Fang Wang, Di Wu, Chuan Ning Luo, Q. An, Wei Liang Li, S. B. Liu, Z. T. Shen, Xiao Jun Bi, Min Gao, A. Kotenko, Guang Shun Huang, Xiao Yuan Huang, Tie Kuang Dong, Jian Wu, Sha Sha Wu, W. X. Peng, Zhan Fang Chen, T. S. Cui, Ya Qing Yang, Tao Ma, Fang Fang, Jing Xing Song, K. Gong, Zi Zong Xu, R. R. Fan, F. de Palma, Yong Jie Zhang, Jian Hua Guo, Y. F. Wei, Maria Munoz Salinas, F. Loparco, Yan Zhang, M. N. Mazziotta, H. Su, En Heng Xu, C. Liu, Xiao Lian Wang, A. Surdo, Yi Zhang, J. L. Chen, G. Z. Shang, Shuang Xue Han, Chang Qing Feng, W. Zhang, Y. Z. Gong, Ya Peng Zhang, I. De Mitri, Lei Feng, Wei Jiang, Xiao Yong Ma, R. Qiao, Shu Xin Wang, Deng Yi Chen, Zhe Zhang, Li Bo Wu, Xiao Yang Niu, G. F. Xue, X. Y. Peng, Zi Qing Xia, D. Droz, F. Alemanno, Jin Chang, Yao Ming Liang, E. Catanzani, Wen Hao Li, Xin Wu, L. Silveri, Chang Yi Zhou, Yuan Zhu Wang, F. C. T. Barbato, F. Gargano, Chuan Yue, Yong Qiang Zhang, Yi-Zhong Fan, Meng Su, D. D'Urso, Dampe, Y. Y. Huang, Kun Fang, Maksym Deliyergiyev, P. Fusco, Shi Jun Lei, D. Kyratzis, A. De Benedittis, Peng Xiong Ma, P. Bernardini, A. Parenti, M. Stolpovskiy, M. Y. Cui, A. Ruina, Hui Jun Yao, Hao Ran Sun, J. J. Wei, Shen Wang, Hong Yun Zhao, Maria Ionica, Jie Kong, E. Casilli, Sheng Xia Zhang, Y. M. Hu, Hao Ting Dai, C. Perrina, L. G. Wang, Dong Ya Guo, Hao Liu, Jie Liu, Xu Pan, and Cong Zhao
Subjects: Physics, Optics, Physics::Instrumentation and Detectors, business.industry, Detector, Orbit (dynamics), Calibration, Satellite, Tracking (particle physics), business, Particle detector, Noise (radio), Charged particle
Abstract: Since its launch, in December 2015, the satellite-based DAMPE (DArk Matter Particle Explorer) particle detector is taking data smoothly. The Silicon-Tungsten tracKer-converter (STK) of DAMPE consists of six tracking planes (6x, 6y) of single-sided silicon micro-strip detectors mounted on seven support trays. The STK is able to measure the charge and precisely reconstruct the track of traversing charged particles. Tungsten plates (1 mm thick) are integrated in the second, third and fourth tray from the top to serve as $\gamma \rightarrow e^+e^−$ converters. Commissioned rapidly after the launch, the STK is running extremely well since then. The STK in-orbit calibration and performance during its first more than 5 years of operation, including the noise behaviour and the thermal and mechanical stability, are presented in this contribution.
Published: 2021
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24. On-orbit performance of the DAMPE BGO calorimeter

Author: D. Droz, Yang Liu, Jin Zhou Wang, Guan Wen Yuan, G. Marsella, Zun Lei Xu, Zhao Qiang Shen, Xun Feng Zhao, Zhi Hui Xu, Ya Peng Zhang, Qiang Yuan, S. B. Liu, Andrii Tykhonov, Hai Tao Xu, Y. M. Hu, Xiao Jun Bi, Min Gao, K. Gong, Da Ming Wei, Yi Zhang, Chuan Yue, G. Z. Shang, Shuang Xue Han, Hao Ting Dai, Y. F. Wei, Shu Xin Wang, Jinglai Duan, Chang Qing Feng, Maria Ionica, Jie Kong, E. Casilli, Zi Qing Xia, Z. X. Dong, Wei Liang Li, P. Azzarello, M. Di Santo, Yao Ming Liang, Fang Fang, Yuan Zhu Wang, Y. Y. Huang, F. C. T. Barbato, Tie Kuang Dong, Peng Xiong Ma, P. Fusco, L. Silveri, J. J. Zang, Huaguang Wang, L. G. Wang, X. J. Teng, M. Y. Cui, Sha Sha Wu, C. Liu, Xiao Lian Wang, V. Gallo, W. Zhang, Dong Ya Guo, Yi-Zhong Fan, Tao Ma, Chuan Ning Luo, F. Loparco, Jing Xing Song, W. H. Shen, R. R. Fan, Yong Jie Zhang, M. S. Cai, Shen Wang, J. L. Chen, Hao Liu, Deng Yi Chen, J. N. Rao, M. N. Mazziotta, H. Su, Jie Liu, Yan Zhang, Z. T. Shen, Hui Jun Yao, Yifeng Wei, Y. H. Yu, P. Bernardini, W. X. Peng, Yun Long Zhang, A. Parenti, Wei Jiang, Yong Qiang Zhang, Meng Su, Kai Kai Duan, Zhe Zhang, D. Mo, F. Alemanno, Hao Ran Sun, Xiao Yang Niu, Peng Yang, Zhan Fang Chen, A. Ruina, J. J. Wei, Lihui Wu, Ying Wang, Xiao Yuan Huang, Yan Fang Wang, G. F. Xue, Sheng Xia Zhang, Di Wu, F. de Palma, Kun Fang, Zi Zong Xu, Chang Yi Zhou, Xin Wu, Yu Xing Cui, D. D'Urso, C. Perrina, D. Kyratzis, Yang Haibo, Q. An, Xian Qiang Li, Jian Wu, En Heng Xu, Shi Jun Lei, M. M. Ma, Jian Hua Guo, Qi Ding, Xu Pan, Giacinto Donvito, Ya Qing Yang, Jin Chang, Z. Y. Sun, R. Qiao, Cong Zhao, F. Gargano, I. De Mitri, Hong Yun Zhao, T. S. Cui, Xiao Yong Ma, Zhi Yong Zhang, E. Catanzani, Y. Z. Gong, Wen Hao Li, A. Surdo, X. Y. Peng, Dampe, M. M. Salinas, Guang Shun Huang, Lei Feng, A. De Benedittis, M. Stolpovskiy, A. Kotenko, and Xiang Li
Subjects: Physics, Scintillation, Range (particle radiation), Calorimeter (particle physics), Physics::Instrumentation and Detectors, Payload, business.industry, Detector, Dark matter, Optics, High Energy Physics::Experiment, Satellite, Optical filter, business
Abstract: The DArk Matter Particle Explorer (DAMPE) is the first Chinese cosmic-ray direct detection experiment. It has been operating smoothly on-orbit since its successful launch at the end of 2015. Currently, its sub-detectors and the satellite are in good working order. The DAMPE payload employs a BGO Calorimeter for energy measurements, trigger and e/p identification. The calorimeter is constructed of 308 BGO crystals, and PMTs are coupled to the crystals with optical filters to readout scintillation light. In this work, we present the status and performance of the calorimeter, including status of detector units, energy measurement, especially in TeV range, detector endurance, and long term performance in a duration of 65 months.
Published: 2021
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25. Analyzing the Fermi Bubbles with DArk Matter Particle Explorer

Author: Z. X. Dong, J. N. Rao, D. Droz, Yang Liu, Jin Zhou Wang, Xun Feng Zhao, Zhi Hui Xu, Da Ming Wei, Yong Qiang Zhang, Meng Su, Zhan Fang Chen, Yuan Zhu Wang, Wei Liang Li, F. Alemanno, Yan Zhang, Yi Zhang, P. Azzarello, Guang Shun Huang, Tie Kuang Dong, Sha Sha Wu, A. Surdo, Jinglai Duan, Zhao-Qiang Shen, F. Loparco, J. L. Chen, Zi Qing Xia, I. De Mitri, Xiao Yong Ma, Zhi Yong Zhang, P. Bernardini, Jing Xing Song, F. C. T. Barbato, R. R. Fan, Z. Y. Sun, Yong Jie Zhang, Di Wu, Yang Haibo, Shi Jun Lei, Chuan Ning Luo, Y. H. Yu, Yun Long Zhang, Y. M. Hu, C. Liu, Xiao Lian Wang, M. N. Mazziotta, H. Su, K. Gong, Jian Wu, E. Catanzani, V. Gallo, W. Zhang, Wen Hao Li, Qi Ding, Ya Qing Yang, T. S. Cui, G. Z. Shang, Shuang Xue Han, Wei Jiang, Zhe Zhang, Zi Zong Xu, Xiang Li, G. F. Xue, Shu Xin Wang, Guan Wen Yuan, Xian Qiang Li, M. M. Ma, Hao Ting Dai, Ying Wang, Tao Ma, D. Mo, Hong Yun Zhao, G. Marsella, Andrii Tykhonov, Hai Tao Xu, Xiao Jun Bi, Min Gao, Yu Xing Cui, Yao Ming Liang, L. Silveri, Giacinto Donvito, Yan Fang Wang, L. G. Wang, Jin Chang, F. Gargano, Y. F. Wei, M. M. Salinas, Dong Ya Guo, Y. Z. Gong, Xu Pan, Xin Wu, Hao Liu, Jie Liu, X. Y. Peng, Cong Zhao, M. S. Cai, Jian Hua Guo, A. Parenti, Deng Yi Chen, Chang Qing Feng, Peng Xiong Ma, W. X. Peng, Ya Peng Zhang, En Heng Xu, A. Ruina, M. Y. Cui, Chang Yi Zhou, D. D'Urso, C. Perrina, J. J. Zang, Huaguang Wang, I. Di Santo, Chuan Yue, Shen Wang, Z. Xu, A. De Benedittis, Kun Fang, Yi-Zhong Fan, Xiao Yuan Huang, Kai-Kai Duan, D. Kyratzis, F. de Palma, M. Stolpovskiy, Qiang Yuan, S. B. Liu, Y. Y. Huang, P. Fusco, Lei Feng, A. Kotenko, Li Bo Wu, Xiao Yang Niu, Fang Fang, X. J. Teng, W. H. Shen, Z. T. Shen, Q. An, R. Qiao, Hui Jun Yao, Hao Ran Sun, J. J. Wei, Maria Ionica, Jie Kong, E. Casilli, Sheng Xia Zhang, and Peng Yang
Subjects: Physics, Range (particle radiation), High energy particle, Photon, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Galactic Center, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Galactic plane, Astrophysics::Galaxy Astrophysics, Fermi Gamma-ray Space Telescope
Abstract: The Fermi bubbles are two large structures above and below the Galactic Plane. They are first discovered by Fermi-LAT and thought to be related to the jet or the wind from the Galactic center. The DArk Matter Particle Explorer (DAMPE) is a space-borne high energy particle telescope aiming at measuring cosmic rays and photons in a broad energy range. In this work, we use 4.8 years of DAMPE photon data to search for the emission from the Fermi Bubbles. We calculate the TS values of the lobes and the significance of its curved spectrum. The obtained spectral parameters are then compared with those from the Fermi-LAT. We also search for the emission from the cocoon in the southeast part of lobes. Since the Galactic diffuse emission (GDE) model is a major source of systematic uncertainty, we also switch to the GDE models calculated with Galprop and evaluate the influence.
Published: 2021
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26. Measurement of the Boron to Carbon Flux Ratio in Cosmic Rays with the DAMPE Experiment

Author: Jinglai Duan, Peng Yang, Xian Qiang Li, Maria Ionica, Jie Kong, E. Casilli, Wei Liang Li, M. M. Ma, Yan Zhang, Ya Peng Zhang, Y. Z. Gong, Z. X. Dong, Y. M. Hu, Yi Zhang, Chang Qing Feng, Tie Kuang Dong, K. Gong, X. Y. Peng, G. Z. Shang, Shuang Xue Han, Q. An, Hao Ting Dai, Chuan Yue, Shu Xin Wang, P. Azzarello, Qiang Yuan, D. Kyratzis, Y. Y. Huang, Yuan Zhu Wang, S. B. Liu, Xin Wu, Kai Kai Duan, Y. H. Yu, En Heng Xu, D. Mo, Yun Long Zhang, Jing Xing Song, P. Fusco, Yong Jie Zhang, R. Qiao, A. Parenti, R. R. Fan, C. Perrina, Hui Jun Yao, J. N. Rao, Y. F. Wei, M. M. Salinas, Yan Fang Wang, M. N. Mazziotta, H. Su, Zun Lei Xu, J. J. Zang, A. Ruina, Deng Yi Chen, Hao Ran Sun, Zhao Qiang Shen, Xun Feng Zhao, Huaguang Wang, J. J. Wei, L. G. Wang, Dong Ya Guo, I. Di Santo, Zhi Hui Xu, Yi-Zhong Fan, P. Bernardini, Tao Ma, Hao Liu, Jie Liu, Guang Shun Huang, Ying Wang, Zhan-Fang Chen, Sha Sha Wu, Dampe, Zi Zong Xu, Yu Xing Cui, Chuan Ning Luo, Sheng Xia Zhang, Yang Haibo, Giacinto Donvito, Xiao Yuan Huang, Yao Ming Liang, F. Loparco, Li-Bo Wu, J. L. Chen, Da Ming Wei, Qi Ding, Zhan Fang Chen, F. de Palma, L. Silveri, Guan Wen Yuan, Kun Fang, D. Droz, Yang Liu, G. Marsella, Andrii Tykhonov, Jin Zhou Wang, Hai Tao Xu, Xiang Li, Xiao Jun Bi, Min Gao, Jin Chang, F. Gargano, Zhi Yong Zhang, Fang Fang, Peng Xiong Ma, Di Wu, Jian Wu, M. Y. Cui, Ya Qing Yang, Li Bo Wu, Xiao Yang Niu, X. J. Teng, W. H. Shen, Z. T. Shen, Xu Pan, Cong Zhao, Ming-Yang Cui, M. S. Cai, Lei Feng, W. X. Peng, Jian Hua Guo, I. De Mitri, Xiao Yong Ma, Zi Qing Xia, A. De Benedittis, E. Catanzani, Wen Hao Li, F. C. T. Barbato, M. Stolpovskiy, A. Kotenko, Shen Wang, A. Surdo, Hong Yun Zhao, F. Alemanno, C. Liu, Xiao Lian Wang, V. Gallo, W. Zhang, Z. Y. Sun, Chang Yi Zhou, Wei Jiang, D. D'Urso, T. S. Cui, Shi Jun Lei, Zhe Zhang, G. F. Xue, Yong Qiang Zhang, and Meng Su
Subjects: Physics, Nuclear physics, Range (particle radiation), High energy particle, chemistry, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Detector, chemistry.chemical_element, Particle, Cosmic ray, Boron, Carbon
Abstract: The DArk Matter Particle Explorer (DAMPE), a space-based high energy particle detector, has been operated on-orbit for more than five years. The large geometric factor and good charge resolution enable DAMPE to have very good potential to measure cosmic-rays up to 100 TeV. Knowledge of the boron to carbon (B/C) flux ratio is very important in understanding the prop- agation of cosmic rays, especially in TeV energy range. In this contribution, the latest progress of the B/C flux ratio analysis based on the flight data collected by DAMPE during the 5 years of operation, is presented.
Published: 2021
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27. The Plastic Scintillator Detector of the HERD space mission

Author: P. Fusco, M. Rossella, G. Marsella, G.L. Raselli, F. Loparco, D. Serini, Margherita Di Santo, S. Loporchio, Roberta Pillera, Libo Wu, Dimitrios Kyratzis, Francesco de Palma, A. Rappoldi, M. N. Mazziotta, A. Surdo, Andrea Parenti, Leonardo Di Venere, Francesca Alemanno, P. W. Cattaneo, Francesca Romana Pantaleo, Paolo Bernardini, Corrado Altomare, Leandro Silveri, F. Gargano, Ivan De Mitri, and Felicia Barbato
Subjects: Physics, Optics, business.industry, Detector, Herd, Scintillator, Space (mathematics), business
Published: 2021
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28. Long-Term Study on the Effects of Housing C57BL/6NCrl Mice in Cages Equipped With Wireless Technology Generating Extremely Low-Intensity Electromagnetic Fields

Author: Alessandro Rigamonti, G. Marsella, Gianpaolo Milite, Eugenio Scanziani, Camilla Recordati, Saverio Paltrinieri, and Marcella De Maglie
Subjects: Electromagnetic field, Physics, 0303 health sciences, business.industry, Electrical engineering, Cell Biology, Toxicology, Housing, Animal, Ventilation, Pathology and Forensic Medicine, Mice, Inbred C57BL, 03 medical and health sciences, Electromagnetic Fields, 0302 clinical medicine, Long term learning, 030220 oncology & carcinogenesis, Animals, Wireless, Environment Design, business, Wireless Technology, Molecular Biology, 030304 developmental biology
Abstract: The recent development of mouse cages equipped with monitoring wireless technology raised questions on the potential effects on animals induced by electromagnetic fields (EMFs) generated by electronic boards positioned underneath the cages. The aims of this study were to characterize the EMF produced by digitally ventilated cages (DVC) and perform a clinicopathological study on mice maintained in DVC for up to 1 year. The EMFs were measured in empty individually ventilated cages (IVC) and DVC. Male (n = 160) and female (n = 160) C57BL/6NCrl mice were randomly housed in IVC and DVC in a single rack, 4 mice per cage. Body weight and food and water consumption were recorded at 14-day intervals. At sacrifice (days 60, 120, 180, and 365), body and testes weight was measured, and necropsy, hematology, bone marrow cytology, histology, and immunohistochemistry for cleaved-caspase 3 on the testes were performed. Digitally ventilated cages produced extremely low-intensity electric fields ranging from 5 Hz to 3 GHz. No exposure-related clinical signs and mortality occurred. Occasional statistical differences in body weight, food and water consumption, hematology, bone marrow, and histopathology were recorded, but considered without biological or clinical relevance. In conclusion, long-term maintenance in DVC had no definite effects on C57BL/6NCrl mice.
Published: 2019
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29. The FRAM robotic telescope for atmospheric monitoring at the Pierre Auger Observatory

Author: Jose Chinellato, Ioana Caracas, Lorenzo Cazon, C. Pérez Bertolli, Ioana Codrina Maris, Marina Scornavacche, R. Ulrich, G. C. Hill, Jorge F. Soriano, Ralph Engel, M. Risse, H. J. Mathes, J. Ridky, Xavier Bertou, G. Marsella, David Wittkowski, G. Salina, Olivier Deligny, M. Unger, Tomáš Fodran, Alina Nasr-Esfahani, Stanislav Michal, Jonathan Blazek, Ugo Giaccari, J. Kleinfeller, K. Choi, Julien Manshanden, Andres Travaini, E. Varela, J.D. Sanabria Gomez, K.-H. Becker, M. Pimenta, P.R. Araújo Ferreira, Tobias Winchen, Denis Stanca, Florian Lukas Briechle, F. Canfora, G. Farrar, Antonio Condorelli, Carla Bleve, Rodrigo Guedes Lang, G. De Mauro, Silvia Mollerach, N. Fazzini, Jonas Glombitza, F. C. T. Barbato, P. Abreu, D. Ravignani, Alena Bakalova, G. Matthiae, Jaime Alvarez-Muñiz, J. Rodriguez Rojo, Fridtjof Feldbusch, Enrique Zas, Marvin Gottowik, Carlos Escobar, Kevin-Druis Merenda, R.J. Barreira Luz, G. P. Guedes, G. Parente, L. Zehrer, A. Puyleart, Corinne Berat, M. Giller, Jörg R. Hörandel, Paul Sommers, P. Kubánek, Flavia Gesualdi, Fernando Contreras, Alexandru Gherghel-Lascu, Belén Andrada, P. Tobiska, Antonio Bueno, Violet M. Harvey, D. Harari, J. Chudoba, Valerio Pirronello, Gualberto Avila, B. García, Lukáš Vaclavek, Toshihiro Fujii, Dariusz Gora, Eric Mayotte, A. Zepeda, R. López, G. Mancarella, Pedro Assis, H. Martinez, A. Etchegoyen, Matías J. Roncoroni, Martina Bohacova, A. Aab, J. Biteau, I. Lhenry-Yvon, Karen S. Caballero-Mora, A.L. Garcia Vegas, B. Keilhauer, J. de Oliveira, A.D. Supanitsky, M. Gómez Berisso, Jakub Juryšek, Alejandro Almela, R. C. Shellard, S. J. Sciutto, A. Di Matteo, Alan Coleman, S. J. Saffi, B. Wundheiler, Marcel Köpke, Martin Erdmann, J. de Jesús, Juan Miguel Carceller, C. J. Todero Peixoto, Alina Mihaela Badescu, Cristina Galea, John Farmer, Serguei Vorobiov, M. Platino, Maria Rita Coluccia, Carla Taricco, M. Prouza, G. Cataldi, A. Streich, Gioacchino Alex Anastasi, D. Nitz, Juan Pablo Gongora, F. Pedreira, M. I. Micheletti, F. Salamida, M. Wirtz, Petr Hamal, B. L. Lago, P. Ruehl, Fred Sarazin, Thomas Bretz, A. Taboada, V. Scherini, A. Yushkov, Roger W Clay, Clara Keiko Oliveira Watanabe, Matias Tueros, Raul Sarmento, D. Melo, Mario Buscemi, Thomas Hebbeker, Maria-Teresa Dova, Sergio Dasso, Tristan Sudholz, Martin Vacula, Felix Schlüter, Magdalena Cerdá, E.E. Pereira Martins, Steffen Hahn, Juan Carlos D'Olivo, K. H. Kampert, T. Pierog, Fabian Gobbi, Christian Sarmiento-Cano, Hernán Asorey, Martín Miguel Freire, P.F. Gómez Vitale, Heino Falcke, Maximilian Reininghaus, L. R. Wiencke, Niklas Langner, J. C. Arteaga Velázquez, Petr Janecek, Brian Fick, M. Suárez-Durán, J. Vicha, Corbin Covault, Darko Veberič, Matías Rolf Hampel, Esteban Roulet, Rúben Conceição, R. Sato, Paula Gina Isar, J. Rautenberg, D. Nosek, F. Riehn, L. Nožka, Lourenco Lopes, M. Roth, S. Karpov, J. Perez Armand, E. Santos, Jesús Peña-Rodríguez, Q. Luce, Gaia Silli, Dusan Mandat, Justin M. Albury, A. Filipčič, T. Huege, F. Sanchez, Maximilian Stadelmaier, Frank G. Schröder, Lino Miramonti, Luis A. Nunez, A. Gorgi, A. Insolia, M. Kleifges, D. Zavrtanik, J. F. Valdés Galicia, Marcio Aparecido Muller, M. Zavrtanik, Antoine Letessier-Selvon, A. Fuster, L. Valore, I. De Mitri, Jeffrey Brack, S. Petrera, Marc Weber, W. M. Namasaka, M. Mastrodicasa, D. de Oliveira Franco, K. C. V. Varma, E. De Vito, Olaf Scholten, Marcus Niechciol, Humberto Ibarguen Salazar, C. M. Schäfer, A. C. Rovero, Giovanni Consolati, R.C. dos Anjos, Adriana Vásquez-Ramírez, E. M. Santos, A. Weindl, Bjarni Pont, Alexandru Balaceanu, M. A. Leigui de Oliveira, Roberto Mussa, Lorenzo Caccianiga, G. Golup, M. Palatka, R. Alves Batista, Bruce R. Dawson, C. Trimarelli, N. Kunka, H. Wilczyński, Claudio Galelli, L. Lu, Juan Manuel González, Carla Aramo, Vincenzo Rizi, P.O. Mazur, Julien Souchard, V. Novotny, C. J.W.P. Timmermans, D. Lo Presti, Rossella Caruso, A. Lucero, Fernando Catalani, D. Martello, S. J. De Jong, A. Tapia, Petr Schovanek, O. Martínez Bravo, Piera Luisa Ghia, T. Bister, Jon Paul Lundquist, A. Menshikov, H. Gemmeke, David Schmidt, S. Schröder, Italo Epicoco, M. Schimassek, François Montanet, Miguel Mostafa, Julian Kemp, S. Querchfeld, Sullivan Marafico, Olena Tkachenko, C. Hojvat, Jan Ebr, Valerio Verzi, Eleonora Guido, L. Nellen, Jarryd A. Day, A. Saftoiu, Marco Giammarchi, J. Šupík, Carlo Ventura, Octavian Sima, M. Mašek, B. Tome, C. Morello, Luis A. Anchordoqui, Jacco Vink, Alex Kääpä, Philipp Papenbreer, Samo Stanič, H.O. Klages, Petr Travnicek, L. Bonneau Arbeletche, Trent D. Grubb, Ladislav Chytka, A.C. Cobos Cerutti, R. Cunniffe, N. González, J. R. T. de Mello Neto, Peter L. Biermann, Juan Manuel Figueira, Isabel Goos, Roberta Colalillo, A. G. Mariazzi, J. Stasielak, Kai Daumiller, H. Schieler, Paolo Privitera, A. A. Nucita, Antonella Castellina, D. Heck, M. del Río, I. Ebrová, Denise Boncioli, P. Savina, W. Rodrigues de Carvalho, M. Jelínek, Jeffrey A. Johnsen, Nataliia Borodai, A. Segreto, Vladimir Lenok, L. Perrone, J. Hulsman, Günter Sigl, R. Squartini, Alfred Müller, P. Stassi, Radomir Smida, A. Machado Payeras, J. Eliášek, G. Medina-Tanco, Srijan Sehgal, Miroslav Pech, M. Pothast, Fernando Gollan, F. de Palma, Pavel Horvath, V. de Souza, Sofia Andringa, M. Schimp, B. C. Manning, Ana Martina Botti, Francesco Fenu, Miroslav Hrabovský, A. Haungs, Josina Schulte, Peter Hansen, P. Mantsch, Z. Szadkowski, J. Pkala, F. Guarino, John Matthews, Peter Buchholz, Marco Aglietta, R. M. de Almeida, D. Correia dos Santos, Rodrigo Pelayo, Stijn Buitink, Katie Mulrey, Orazio Zapparrata, Carola Dobrigkeit, M. Muzio, M. E. Bertaina, Alan Watson, M. Perlin, Mihai Niculescu-Oglinzanu, T. Suomijärvi, J. Pallotta, A. C. Fauth, Carla Bonifazi, Jose A. Bellido, Fabio Convenga, I.D. Vergara Quispe, Hernan Wahlberg, A. Parra, M. Trini, P.G. Brichetto Orchera, I. Allekotte, High Energy Astrophys. & Astropart. Phys (API, FNWI), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Alvarez-Mu??iz, J., Alves Batista, R., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Ara??jo Ferreira, P. R., Arteaga Vel??zquez, J. C., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Barreira Luz, R. J., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Bister, T., Biteau, J., Blazek, J., Bleve, C., Boh????ov??, M., Boncioli, D., Bonifazi, C., Bonneau Arbeletche, L., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Brichetto Orchera, P. G., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cobos Cerutti, A. C., Colalillo, R., Coleman, A., Coluccia, M. R., Concei????o, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Correia dos Santos, D., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jes??s, J., de Jong, S. J., De Mauro, G., de Mello Neto, J. R. T., De Mitri, I., de Oliveira, J., de Oliveira Franco, D., de Palma, F., de Souza, V., De Vito, E., del R??o, M., Deligny, O., Di Matteo, A., Dobrigkeit, C., D'Olivo, J. C., dos Anjos, R. C., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filip??i??, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garc??a, B., Garcia Vegas, A. L., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., G??mez Berisso, M., G??mez Vitale, P. F., Gongora, J. P., Gonz??lez, J. M., Gonz??lez, N., Goos, I., G??ra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Hamal, P., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., H??randel, J. R., Horvath, P., Hrabovsk??, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Janecek, P., Johnsen, J. A., Jurysek, J., K????p??, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., K??pke, M., Kunka, N., Lago, B. L., Lang, R. G., Langner, N., Leigui de Oliveira, M. A., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lo Presti, D., Lopes, L., L??pez, R., Lu, L., Luce, Q., Lucero, A., Lundquist, J. P., Machado Payeras, A., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Mari??, I. C., Marsella, G., Martello, D., Martinez, H., Mart??nez Bravo, O., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mollerach, S., Montanet, F., Morello, C., Mostaf??, M., M??ller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nasr-Esfahani, A., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., No??ka, L., Nucita, A., N????ez, L. A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., P??kala, J., Pelayo, R., Pe??a-Rodriguez, J., Pereira Martins, E. E., Perez Armand, J., P??rez Bertolli, C., Perlin, M., Perrone, L., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Rizi, V., Rodrigues de Carvalho, W., Rodriguez Rojo, J., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Sanabria Gomez, J. D., S??nchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Sch??fer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schl??ter, F., Schmidt, D., Scholten, O., Schov??nek, P., Schr??der, F. G., Schr??der, S., Schulte, J., Sciutto, S. J., Scornavacche, M., Segreto, A., Sehgal, S., Shellard, R. C., Sigl, G., Silli, G., Sima, O., m??da, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stani??, S., Stasielak, J., Stassi, P., Streich, A., Su??rez-Dur??n, M., Sudholz, T., Suomij??rvi, T., Supanitsky, A. D., up??k, J., Szadkowski, Z., Taboada, A., Tapia, A., Taricco, C., Timmermans, C., Tkachenko, O., Tobiska, P., Todero Peixoto, C. J., Tom??, B., Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Vaclavek, L., Vacula, M., Vald??s Galicia, J. F., Valore, L., Varela, E., Varma K. C., V., V??squez-Ram??rez, A., Veberi??, D., Ventura, C., Vergara Quispe, I. D., Verzi, V., Vicha, J., Vink, J., Vorobiov, S., Wahlberg, H., Watanabe, C., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczy??ski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Cunniffe, R., Eli????ek, J., Ebrov??, I., Jel??nek, M., Karpov, S., Kub??nek, P., Ma??ek, M., Pierre Auger Collaboration, T., Alvarez-Muniz, J., Araujo Ferreira, P. R., Arteaga Velazquez, J. C., Bohacova, M., Conceicao, R., Correia Dos Santos, D., De Almeida, R. M., De Jesus, J., De Jong, S. J., De Mello Neto, J. R. T., De Oliveira, J., De Oliveira Franco, D., De Palma, F., De Souza, V., Del Rio, M., Dos Anjos, R. C., Filipcic, A., Garcia, B., Gomez Berisso, M., Gomez Vitale, P. F., Gonzalez, J. M., Gonzalez, N., Gora, D., Horandel, J. R., Hrabovsky, M., Kaapa, A., Kopke, M., Leigui De Oliveira, M. A., Lopez, R., Maris, I. C., Martinez Bravo, O., Mostafa, M., Muller, A. L., Nozka, L., Nunez, L. A., Pkala, J., Pena-Rodriguez, J., Perez Bertolli, C., Rodrigues De Carvalho, W., Sanchez, F., Schafer, C. M., Schluter, F., Schovanek, P., Schroder, F. G., Schroder, S., Smida, R., Stanic, S., Suarez-Duran, M., Suomijarvi, T., Supik, J., Tome, B., Valdes Galicia, J. F., Varma, K. C. V., Vasquez-Ramirez, A., Veberic, D., Wilczynski, H., Eliasek, J., Ebrova, I., Jelinek, M., Kubanek, P., Masek, M., Research unit Astroparticle Physics, Pierre Auger Collaboration T., Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Alvarez-Muniz J., Alves Batista R., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Araujo Ferreira P.R., Arteaga Velazquez J.C., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Barreira Luz R.J., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Bister T., Biteau J., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Bonneau Arbeletche L., Borodai N., Botti A.M., Brack J., Bretz T., Brichetto Orchera P.G., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cobos Cerutti A.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., Correia Dos Santos D., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., De Almeida R.M., De Jesus J., De Jong S.J., De Mauro G., De Mello Neto J.R.T., De Mitri I., De Oliveira J., De Oliveira Franco D., De Palma F., De Souza V., De Vito E., Del Rio M., Deligny O., Di Matteo A., Dobrigkeit C., D'Olivo J.C., Dos Anjos R.C., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Garcia Vegas A.L., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Gomez Berisso M., Gomez Vitale P.F., Gongora J.P., Gonzalez J.M., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Hamal P., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Janecek P., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Kunka N., Lago B.L., Lang R.G., Langner N., Leigui De Oliveira M.A., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Lo Presti D., Lopes L., Lopez R., Lu L., Luce Q., Lucero A., Lundquist J.P., Machado Payeras A., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Martinez Bravo O., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nasr-Esfahani A., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pkala J., Pelayo R., Pena-Rodriguez J., Pereira Martins E.E., Perez Armand J., Perez Bertolli C., Perlin M., Perrone L., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Rizi V., Rodrigues De Carvalho W., Rodriguez Rojo J., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Sanabria Gomez J.D., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulte J., Sciutto S.J., Scornavacche M., Segreto A., Sehgal S., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Taricco C., Timmermans C., Tkachenko O., Tobiska P., Todero Peixoto C.J., Tome B., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Vaclavek L., Vacula M., Valdes Galicia J.F., Valore L., Varela E., Varma K.C.V., Vasquez-Ramirez A., Veberic D., Ventura C., Vergara Quispe I.D., Verzi V., Vicha J., Vink J., Vorobiov S., Wahlberg H., Watanabe C., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., Zepeda A., Cunniffe R., Eliasek J., Ebrova I., Jelinek M., Karpov S., Kubanek P., Masek M., and Physics
Subjects: Astronomy, Large detector systems for particle and astroparticle physics, Optics, Photon detectors for UV, visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs, CMOS imagers, etc), Real-time monitoring, 01 natural sciences, Auger, Successful operation, Observatory, optical, APDs, hardware, Astrophysics::Solar and Stellar Astrophysics, 010303 astronomy & astrophysics, Instrumentation, Photon detectors for UV, Mathematical Physics, High Energy Astrophysical Phenomena (astro-ph.HE), astro-ph.HE, EBCCDs, Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, Si-PMTs, observatory, Robotic telescope, G-APDs, Astrophysics::Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Sciences exactes et naturelles, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, programming, detector: fluorescence, Photometry (optics), 0103 physical sciences, ddc:610, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], High Energy Physics, visible and IR photons (solid-state) (PIN diodes, CMOS imagers, Instrumentation and Methods for Astrophysics (astro-ph.IM), Astrophysics::Galaxy Astrophysics, Remote sensing, etc), fluorescence [detector], Pierre Auger Observatory, 010308 nuclear & particles physics, Active monitoring, CCDs, laser, monitoring, EMCCDs, Large detector systems for particle and astroparticle physic, atmosphere, Experimental High Energy Physics, Optic, Environmental science, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], RAIOS CÓSMICOS, astro-ph.IM
Abstract: FRAM (F/Photometric Robotic Atmospheric Monitor) is a robotic telescope operated at the Pierre Auger Observatory in Argentina for the purposes of atmospheric monitoring using stellar photometry. As a passive system which does not produce any light that could interfere with the observations of the fluorescence telescopes of the observatory, it complements the active monitoring systems that use lasers. We discuss the applications of stellar photometry for atmospheric monitoring at optical observatories in general and the particular modes of operation employed by the Auger FRAM. We describe in detail the technical aspects of FRAM, the hardware and software requirements for a successful operation of a robotic telescope for such a purpose and their implementation within the FRAM system., Published version, 27 pages, 8 figures
Published: 2021
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30. Measurement of the Cosmic Ray Helium Energy Spectrum from 70 GeV to 80 TeV with the DAMPE Space Mission

Author: Fengtao Zhang, Y. F. Wang, Y. Y. Huang, Xiangpeng Guo, Jinfei Wu, D. Droz, J. N. Rao, Jinglai Duan, Yang Haibo, C. Liu, D. M. Wei, Zongye Zhang, X. Y. Ma, P. Azzarello, P. Fusco, Z. Y. Sun, Niu Xiaoyang, I. De Mitri, W. Zhang, Cihang Luo, C. Q. Feng, Yu Xing Cui, X. X. Li, M. S. Cai, Z.-Q. Shen, G. Marsella, X. L. Wang, S. Wang, F. Loparco, Guan Wen Yuan, Y. F. Wei, Jin Chang, Y. J. Zhang, Giacinto Donvito, W. X. Peng, J. L. Chen, Q. An, S. B. Liu, S. C. Wen, F. Gargano, Xiulian Pan, Y. Z. Gong, Cang Zhao, Yuqing Fan, T. S. Cui, H. T. Xu, A. De Benedittis, E. Catanzani, M. M. Salinas, Y. H. Yu, Zhao-Min Wang, Yun Long Zhang, Andrii Tykhonov, Wei Liu, Dingsong Wu, Zhenyu Zhang, Yifan Yang, G. F. Xue, Fang Fang, Pengtao Yang, M. Di Santo, R. Qiao, Yaohui Zhang, Xian Qiang Li, X. J. Bi, Chuan Yue, Min Gao, Z. Q. Xia, Shumei Wu, X. Y. Peng, M. M. Ma, Wenhan Jiang, J. Z. Wang, F. C. T. Barbato, M. Stolpovskiy, Hengchang Liu, F. Alemanno, P. Bernardini, J. J. Wei, Lihui Wu, Yujuan Liu, J. Liu, Yao Ming Liang, Z. Xu, A. Parenti, L. Feng, Yun-Zhi Zhang, A. Ruina, D. Mo, M. Y. Cui, Xin Wu, L. Silveri, Jun-jun Guo, Yu-Sa Wang, Hong Yun Zhao, W. Li, Hu-Rong Yao, Jinyuo Song, Z. Z. Xu, Z. X. Dong, Yan Fang Wang, Kun Fang, Y. Zhang, A. D'Amone, H. Su, Meng Su, A. Kotenko, Maria Ionica, Jie Kong, Shi-Jun Lei, Sheng Xia Zhang, Q. Yuan, Guangshun Huang, R. R. Fan, Peng-Xiong Ma, Xun Feng Zhao, Zhi Hui Xu, S.X. Li, A. Surdo, Yu-Xuan Zhu, X. J. Teng, Tie-Kuang Dong, W. H. Shen, Z. T. Shen, D. D'Urso, Zu-Cheng Chen, L. G. Wang, Dong Ya Guo, Xiaoyuan Huang, Y. M. Hu, F. de Palma, Hao Ting Dai, C. Perrina, Tianxiao Ma, Donghong Chen, Kai-Kai Duan, Maksym Deliyergiyev, D. Kyratzis, K. Gong, Chengrui Zhou, Mn Mazziotta, G. Z. Shang, Shuang Xue Han, J. J. Zang, Huaguang Wang, Alemanno F., An Q., Azzarello P., Barbato F.C.T., Bernardini P., Bi X.J., Cai M.S., Catanzani E., Chang J., Chen D.Y., Chen J.L., Chen Z.F., Cui M.Y., Cui T.S., Cui Y.X., Dai H.T., D'amone A., De Benedittis A., De Mitri I., De Palma F., Deliyergiyev M., Di Santo M., Dong T.K., Dong Z.X., Donvito G., Droz D., Duan J.L., Duan K.K., D'urso D., Fan R.R., Fan Y.Z., Fang K., Fang F., Feng C.Q., Feng L., Fusco P., Gao M., Gargano F., Gong K., Gong Y.Z., Guo D.Y., Guo J.H., Guo X.L., Han S.X., Hu Y.M., Huang G.S., Huang X.Y., Huang Y.Y., Ionica M., Jiang W., Kong J., Kotenko A., Kyratzis D., Lei S.J., Li S., Li W.L., Li X., Li X.Q., Liang Y.M., Liu C.M., Liu H., Liu J., Liu S.B., Liu W.Q., Liu Y., Loparco F., Luo C.N., Ma M., Ma P.X., Ma T., Ma X.Y., Marsella G., Mazziotta M.N., Mo D., Niu X.Y., Pan X., Parenti A., Peng W.X., Peng X.Y., Perrina C., Qiao R., Rao J.N., Ruina A., Salinas M.M., Shang G.Z., Shen W.H., Shen Z.Q., Shen Z.T., Silveri L., Song J.X., Stolpovskiy M., Su H., Su M., Sun Z.Y., Surdo A., Teng X.J., Tykhonov A., Wang H., Wang J.Z., Wang L.G., Wang S., Wang X.L., Wang Y., Wang Y.F., Wang Y.Z., Wang Z.M., Wei D.M., Wei J.J., Wei Y.F., Wen S.C., Wu D., Wu J., Wu L.B., Wu S.S., Wu X., Xia Z.Q., Xu H.T., Xu Z.H., Xu Z.L., Xu Z.Z., Xue G.F., Yang H.B., Yang P., Yang Y.Q., Yao H.J., Yu Y.H., Yuan G.W., Yuan Q., Yue C., Zang J.J., Zhang F., Zhang S.X., Zhang W.Z., Zhang Y., Zhang Y.J., Zhang Y.L., Zhang Y.P., Zhang Y.Q., Zhang Z., Zhang Z.Y., Zhao C., Zhao H.Y., Zhao X.F., Zhou C.Y., Zhu Y., Alemanno, F., An, Q., Azzarello, P., Barbato, F. C. T., Bernardini, P., Bi, X. J., Cai, M. S., Catanzani, E., Chang, J., Chen, D. Y., Chen, J. L., Chen, Z. F., Cui, M. Y., Cui, T. S., Cui, Y. X., Dai, H. T., D’Amone, A., De Benedittis, A., De Mitri, I., de Palma, F., Deliyergiyev, M., Di Santo, M., Dong, T. K., Dong, Z. X., Donvito, G., Droz, D., Duan, J. L., Duan, K. K., D’Urso, D., Fan, R. R., Fan, Y. Z., Fang, K., Fang, F., Feng, C. Q., Feng, L., Fusco, P., Gao, M., Gargano, F., Gong, K., Gong, Y. Z., Guo, D. Y., Guo, J. H., Guo, X. L., Han, S. X., Hu, Y. M., Huang, G. S., Huang, X. Y., Huang, Y. Y., Ionica, M., Jiang, W., Kong, J., Kotenko, A., Kyratzis, D., Lei, S. J., Li, S., Li, W. L., Li, X., Li, X. Q., Liang, Y. M., Liu, C. M., Liu, H., Liu, J., Liu, S. B., Liu, W. Q., Liu, Y., Loparco, F., Luo, C. N., Ma, M., Ma, P. X., Ma, T., Ma, X. Y., Marsella, G., Mazziotta, M. N., Mo, D., Niu, X. Y., Pan, X., Parenti, A., Peng, W. X., Peng, X. Y., Perrina, C., Qiao, R., Rao, J. N., Ruina, A., Salinas, M. M., Shang, G. Z., Shen, W. H., Shen, Z. Q., Shen, Z. T., Silveri, L., Song, J. X., Stolpovskiy, M., Su, H., Su, M., Sun, Z. Y., Surdo, A., Teng, X. J., Tykhonov, A., Wang, H., Wang, J. Z., Wang, L. G., Wang, S., Wang, X. L., Wang, Y., Wang, Y. F., Wang, Y. Z., Wang, Z. M., Wei, D. M., Wei, J. J., Wei, Y. F., Wen, S. C., Wu, D., Wu, J., Wu, L. B., Wu, S. S., Wu, X., Xia, Z. Q., Xu, H. T., Xu, Z. H., Xu, Z. L., Xu, Z. Z., Xue, G. F., Yang, H. B., Yang, P., Yang, Y. Q., Yao, H. J., Yu, Y. H., Yuan, G. W., Yuan, Q., Yue, C., Zang, J. J., Zhang, F., Zhang, S. X., Zhang, W. Z., Zhang, Y., Zhang, Y. J., Zhang, Y. L., Zhang, Y. P., Zhang, Y. Q., Zhang, Z., Zhang, Z. Y., Zhao, C., Zhao, H. Y., Zhao, X. F., Zhou, C. Y., and Zhu, Y.
Subjects: Astrophysics::High Energy Astrophysical Phenomena, Dark matter, General Physics and Astronomy, chemistry.chemical_element, FOS: Physical sciences, Cosmic ray, Space (mathematics), 01 natural sciences, 7. Clean energy, Cosmic ray, helium, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, Energy spectrum, cosmic rays, dark matter, space, crystals, 010306 general physics, Helium, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), COSMIC cancer database, detector, Settore FIS/01 - Fisica Sperimentale, calibration, chemistry, Particle, Astrophysics - High Energy Astrophysical Phenomena, Nucleon, performance
Abstract: The measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the DArk Matter Particle Explorer (DAMPE) is reported in this work. A hardening of the spectrum is observed at an energy of about 1.3 TeV, similar to previous observations. In addition, a spectral softening at about 34 TeV is revealed for the first time with large statistics and well controlled systematic uncertainties, with an overall significance of $4.3\sigma$. The DAMPE spectral measurements of both cosmic protons and helium nuclei suggest a particle charge dependent softening energy, although with current uncertainties a dependence on the number of nucleons cannot be ruled out., Comment: 11 pages, 13 figures, published in Phys. Rev. Lett. Add one more digit for first three columns in Table S2
Published: 2021

31. Measurement of the Fluctuations in the Number of Muons in Extensive Air Showers with the Pierre Auger Observatory

Author: H. J. Mathes, Stanislav Michal, Miroslav Pech, Antonio Condorelli, M. Pothast, Pavel Horvath, A.L. Garcia Vegas, W. M. Namasaka, A. C. Rovero, M. Risse, J. Rodriguez Rojo, Fridtjof Feldbusch, B. Andrada, Alexandru Balaceanu, Jonathan Blazek, Carla Aramo, Vincenzo Rizi, J. F. Valdés Galicia, Julien Souchard, Sofia Andringa, Enrique Zas, Magdalena Cerdá, Hernán Asorey, I. De Mitri, D. Martello, David Wittkowski, O. Martínez Bravo, K. Mulrey, P. Abreu, D. Ravignani, G. Salina, Danielle LaHurd, Olivier Deligny, Marcel Köpke, M. Platino, Fernando Contreras, A. Tapia, H. Gemmeke, G. Parente, Fabrizia Canfora, L. Zehrer, L. Lopes, Tomáš Fodran, Jaime Alvarez-Muñiz, Alexandru Gherghel-Lascu, M. A. Leigui de Oliveira, Flavia Gesualdi, G. Kukec Mezek, G. Marsella, Valerio Pirronello, R. Lorek, G. De Mauro, M. Unger, Ugo Giaccari, Silvia Mollerach, H. Dembinski, N. Fazzini, Jonas Glombitza, F. C. T. Barbato, Dariusz Gora, M. E. Bertaina, Jon Paul Lundquist, A. Menshikov, K.-H. Becker, M. Pimenta, P.R. Araújo Ferreira, J. de Oliveira, Alejandro Almela, C. J. Todero Peixoto, M. Zavrtanik, Lukáš Vaclavek, W. Rodrigues de Carvalho, Jörg R. Hörandel, B. Keilhauer, Marcus Niechciol, A. C. Fauth, Teresa Bister, J. Chudoba, Alan Coleman, B. Tome, Josina Schulte, S. J. Saffi, Tobias Winchen, Julian Kemp, S. J. Sciutto, Carla Bleve, Rodrigo Guedes Lang, Florian Lukas Briechle, Peter Hansen, Lorenzo Caccianiga, Marvin Gottowik, Julien Manshanden, G. Cataldi, E. De Vito, F. Guarino, John Matthews, I. Lhenry-Yvon, Nataliia Borodai, V. Scherini, Paul Sommers, Peter Buchholz, Andres Travaini, Giovanni Consolati, E. Varela, J.D. Sanabria Gomez, Juan Miguel Carceller, Christian Sarmiento-Cano, R. M. de Almeida, P. Tobiska, Alex Kääpä, F. Pedreira, Carla Bonifazi, D. Lo Presti, Jose A. Bellido, S. J. De Jong, Marco Aglietta, Vladimir Lenok, Eric Mayotte, Raul Sarmento, Fabio Convenga, M. M. Freire, Felix Schlüter, H. Wilczyński, Jeffrey A. Johnsen, Fabian Gobbi, Jose Chinellato, F. Sánchez, Serguei Vorobiov, L. Perrone, Alena Bakalova, E. M. Santos, D. Nitz, R. Squartini, Alfred Müller, Petr Schovanek, Valerio Verzi, A. Fuster, G. Golup, M. Gómez Berisso, R. C. Shellard, Octavian Sima, Jarryd A. Day, A. Saftoiu, A.C. Cobos Cerutti, J. R. T. de Mello Neto, G. Torralba Elipe, R. Alves Batista, Bruce R. Dawson, G. Matthiae, Jesús Peña-Rodríguez, Antonio Bueno, Thomas Hebbeker, Sergio Dasso, Tristan Sudholz, H. Schieler, Antonella Castellina, Maria Rita Coluccia, A. Di Matteo, M. Schimp, B. Wundheiler, B. C. Manning, A. Insolia, M. Kleifges, D. Zavrtanik, A.D. Supanitsky, Fred Sarazin, J. Pȩkala, Ioana Caracas, A. Letessier-Selvon, B. García, R. López, Karen S. Caballero-Mora, P.O. Mazur, Thomas Bretz, Lorenzo Cazon, Darko Veberič, Mario Buscemi, Roberto Mussa, T. Huege, I.D. Vergara Quispe, G. Medina-Tanco, R. Halliday, L. Valore, J. Rautenberg, Jeffrey Brack, Günter Sigl, Olaf Scholten, F. Riehn, Marina Scornavacche, Corbin Covault, Jonathan Biteau, Francesco Fenu, Xavier Bertou, Humberto Ibarguen Salazar, L. R. Wiencke, Rodrigo Pelayo, Stijn Buitink, Niklas Langner, S. Querchfeld, Olena Tkachenko, J. Šupík, Carlo Ventura, Gualberto Avila, Q. Luce, M. Suárez-Durán, Maximilian Reininghaus, A. Zepeda, Brian Fick, Nicolás González, P. Stassi, Ladislav Chytka, Lino Miramonti, Ioana Codrina Maris, Pedro Assis, François Montanet, Radomir Smida, A. Machado Payeras, Martin Erdmann, J. de Jesús, H. Martinez, A. Etchegoyen, Maximilian Stadelmaier, Sullivan Marafico, Miguel Mostafa, P. Ruehl, D. de Oliveira Franco, A. Streich, Gioacchino Alex Anastasi, Dusan Mandat, J. Stasielak, J. Hulsman, J. Kleinfeller, G. C. Hill, Marco Giammarchi, M. Wirtz, Frank G. Schröder, Eleonora Guido, Roger W Clay, Jorge F. Soriano, Ralph Engel, Denis Stanca, C. M. Schäfer, Fernando Gollan, Massimo Mastrodicasa, Hernan Wahlberg, L. Nellen, Carlos Escobar, Kevin-Druis Merenda, Samo Stanič, K. H. Kampert, J. Ridky, R.J. Barreira Luz, Martin Vacula, John Farmer, C. Morello, Heino Falcke, A. Puyleart, V. de Souza, R. Conceição, Miroslav Hrabovský, Corinne Berat, M. Giller, Isabel Goos, Luis A. Anchordoqui, A. Parra, J. Perez Armand, Kai Daumiller, D. Heck, Maria-Teresa Dova, M. R. Hampel, J. Vicha, A. Haungs, L. Bonneau Arbeletche, Peter L. Biermann, Philipp Papenbreer, M. Schimassek, M. del Río, C. Hojvat, Petr Travnicek, Jan Ebr, Claudio Galelli, Denise Boncioli, Trent D. Grubb, Paolo Privitera, P. Ristori, Jacco Vink, M. Trini, H.O. Klages, M. A. Muller, Markus Roth, Juan Manuel Figueira, Roberta Colalillo, A. G. Mariazzi, P. Savina, A. Aab, A. A. Nucita, Ralf Ulrich, Martina Bohacova, M. I. Micheletti, B. L. Lago, R.C. dos Anjos, Adriana Vásquez-Ramírez, Giovanni Mancarella, Juan Pablo Gongora, M. Palatka, P. Mantsch, A. Cancio, Z. Szadkowski, Matias Tueros, Luis A. Nunez, Paula Gina Isar, F. Salamida, V. Novotny, I. Allekotte, M. J. Roncoroni, Rossella Caruso, A. Lucero, Fernando Catalani, T. Suomijärvi, Caterina Trimarelli, A. Yushkov, D. Melo, D. Nosek, E. Santos, R. Sato, J. Pallotta, A. M. Botti, Niraj Dhital, I. Valiño, G. P. Guedes, Alessio Gorgi, A. Weindl, L. Nožka, Toshihiro Fujii, Orazio Zapparrata, Jakub Juryšek, J. Debatin, Carola Dobrigkeit, M. Muzio, Steffen Hahn, Juan Carlos D'Olivo, T. Pierog, Esteban Roulet, Justin M. Albury, Alan Watson, David Schmidt, S. Schröder, Italo Epicoco, M. Perlin, Mihai Niculescu-Oglinzanu, Piera Luisa Ghia, G. Farrar, A. Taboada, P.F. Gómez Vitale, Violet M. Harvey, D. Harari, Alina Mihaela Badescu, Cristina Galea, M. Prouza, Gaia Silli, A. Filipčič, S. Petrera, Marc Weber, Bjarni Pont, C. J.W.P. Timmermans, K. Choi, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Aab, A, Abreu, P, Aglietta, M, Albury, J M, Allekotte, I, Almela, A, Alvarez-Muñiz, J, Alves Batista, R, Anastasi, G A, Anchordoqui, L, Andrada, B, Andringa, S, Aramo, C, Araújo Ferreira, P R, Asorey, H, Assis, P, Avila, G, Badescu, A M, Bakalova, A, Balaceanu, A, Barbato, F, Barreira Luz, R J, Becker, K H, Bellido, J A, Berat, C, Bertaina, M E, Bertou, X, Biermann, P L, Bister, T, Biteau, J, Blazek, J, Bleve, C, Boháčová, M, Boncioli, D, Bonifazi, C, Bonneau Arbeletche, L, Borodai, N, Botti, A M, Brack, J, Bretz, T, Briechle, F L, Buchholz, P, Bueno, A, Buitink, S, Buscemi, M, Caballero-Mora, K S, Caccianiga, L, Cancio, A, Canfora, F, Caracas, I, Carceller, J M, Caruso, R, Castellina, A, Catalani, F, Cataldi, G, Cazon, L, Cerda, M, Chinellato, J A, Choi, K, Chudoba, J, Chytka, L, Clay, R W, Cobos Cerutti, A C, Colalillo, R, Coleman, A, Coluccia, M R, Conceição, R, Condorelli, A, Consolati, G, Contreras, F, Convenga, F, Covault, C E, Dasso, S, Daumiller, K, Dawson, B R, Day, J A, de Almeida, R M, de Jesús, J, de Jong, S J, De Mauro, G, de Mello Neto, J R T, De Mitri, I, de Oliveira, J, de Oliveira Franco, D, de Souza, V, De Vito, E, Debatin, J, Del Río, M, Deligny, O, Dembinski, H, Dhital, N, Di Matteo, A, Dobrigkeit, C, D'Olivo, J C, Dos Anjos, R C, Dova, M T, Ebr, J, Engel, R, Epicoco, I, Erdmann, M, Escobar, C O, Etchegoyen, A, Falcke, H, Farmer, J, Farrar, G, Fauth, A C, Fazzini, N, Feldbusch, F, Fenu, F, Fick, B, Figueira, J M, Filipčič, A, Fodran, T, Freire, M M, Fujii, T, Fuster, A, Galea, C, Galelli, C, García, B, Garcia Vegas, A L, Gemmeke, H, Gesualdi, F, Gherghel-Lascu, A, Ghia, P L, Giaccari, U, Giammarchi, M, Giller, M, Glombitza, J, Gobbi, F, Gollan, F, Golup, G, Gómez Berisso, M, Gómez Vitale, P F, Gongora, J P, González, N, Goos, I, Góra, D, Gorgi, A, Gottowik, M, Grubb, T D, Guarino, F, Guedes, G P, Guido, E, Hahn, S, Halliday, R, Hampel, M R, Hansen, P, Harari, D, Harvey, V M, Haungs, A, Hebbeker, T, Heck, D, Hill, G C, Hojvat, C, Hörandel, J R, Horvath, P, Hrabovský, M, Huege, T, Hulsman, J, Insolia, A, Isar, P G, Johnsen, J A, Jurysek, J, Kääpä, A, Kampert, K H, Keilhauer, B, Kemp, J, Klages, H O, Kleifges, M, Kleinfeller, J, Köpke, M, Kukec Mezek, G, Lago, B L, Lahurd, D, Lang, R G, Langner, N, Leigui de Oliveira, M A, Lenok, V, Letessier-Selvon, A, Lhenry-Yvon, I, Lo Presti, D, Lopes, L, López, R, Lorek, R, Luce, Q, Lucero, A, Lundquist, J P, Machado Payeras, A, Mancarella, G, Mandat, D, Manning, B C, Manshanden, J, Mantsch, P, Marafico, S, Mariazzi, A G, Mariş, I C, Marsella, G, Martello, D, Martinez, H, Martínez Bravo, O, Mastrodicasa, M, Mathes, H J, Matthews, J, Matthiae, G, Mayotte, E, Mazur, P O, Medina-Tanco, G, Melo, D, Menshikov, A, Merenda, K-D, Michal, S, Micheletti, M I, Miramonti, L, Mollerach, S, Montanet, F, Morello, C, Mostafá, M, Müller, A L, Muller, M A, Mulrey, K, Mussa, R, Muzio, M, Namasaka, W M, Nellen, L, Niculescu-Oglinzanu, M, Niechciol, M, Nitz, D, Nosek, D, Novotny, V, Nožka, L, Nucita, A, Núñez, L A, Palatka, M, Pallotta, J, Papenbreer, P, Parente, G, Parra, A, Pech, M, Pedreira, F, Pȩkala, J, Pelayo, R, Peña-Rodriguez, J, 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Szadkowski, Z, Taboada, A, Tapia, A, Timmermans, C, Tkachenko, O, Tobiska, P, Todero Peixoto, C J, Tomé, B, Torralba Elipe, G, Travaini, A, Travnicek, P, Trimarelli, C, Trini, M, Tueros, M, Ulrich, R, Unger, M, Vaclavek, L, Vacula, M, Valdés Galicia, J F, Valiño, I, Valore, L, Varela, E, Varma K C, V, Vásquez-Ramírez, A, Veberič, D, Ventura, C, Vergara Quispe, I D, Verzi, V, Vicha, J, Vink, J, Vorobiov, S, Wahlberg, H, Watson, A A, Weber, M, Weindl, A, Wiencke, L, Wilczyński, H, Winchen, T, Wirtz, M, Wittkowski, D, Wundheiler, B, Yushkov, A, Zapparrata, O, Zas, E, Zavrtanik, D, Zavrtanik, M, Zehrer, L, Zepeda, A, High Energy Astrophys. & Astropart. Phys (API, FNWI), Gravitation and Astroparticle Physics Amsterdam, Physics, Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Alvarez-Muniz, J., Alves Batista, R., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Araujo Ferreira, P. R., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Barreira Luz, R. J., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Bister, T., Biteau, J., Blazek, J., Bleve, C., Bohacova, M., Boncioli, D., Bonifazi, C., Bonneau Arbeletche, L., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Cancio, A., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cobos Cerutti, A. C., Colalillo, R., Coleman, A., Coluccia, M. R., Conceicao, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., De Almeida, R. M., De Jesus, J., De Jong, S. J., De Mauro, G., De Mello Neto, J. R. T., De Mitri, I., De Oliveira, J., De Oliveira Franco, D., De Souza, V., De Vito, E., Debatin, J., Del Rio, M., Deligny, O., Dembinski, H., Dhital, N., Di Matteo, A., Dobrigkeit, C., D'Olivo, J. C., Dos Anjos, R. C., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filipcic, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garcia, B., Garcia Vegas, A. L., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., Gomez Berisso, M., Gomez Vitale, P. F., Gongora, J. P., Gonzalez, N., Goos, I., Gora, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., Horandel, J. R., Horvath, P., Hrabovsky, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Johnsen, J. A., Jurysek, J., Kaapa, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Kopke, M., Kukec Mezek, G., Lago, B. L., Lahurd, D., Lang, R. G., Langner, N., Leigui De Oliveira, M. A., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lo Presti, D., Lopes, L., Lopez, R., Lorek, R., Luce, Q., Lucero, A., Lundquist, J. P., Machado Payeras, A., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Maris, I. C., Marsella, G., Martello, D., Martinez, H., Martinez Bravo, O., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mollerach, S., Montanet, F., Morello, C., Mostafa, M., Muller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., Nozka, L., Nucita, A., Nunez, L. A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., Pkala, J., Pelayo, R., Pena-Rodriguez, J., Perez Armand, J., Perlin, M., Perrone, L., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., Rodrigues De Carvalho, W., Rodriguez Rojo, J., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Sanabria Gomez, J. D., Sanchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schafer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schluter, F., Schmidt, D., Scholten, O., Schovanek, P., Schroder, F. G., Schroder, S., Schulte, J., Sciutto, S. J., Scornavacche, M., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Smida, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stanic, S., Stasielak, J., Stassi, P., Streich, A., Suarez-Duran, M., Sudholz, T., Suomijarvi, T., Supanitsky, A. D., Supik, J., Szadkowski, Z., Taboada, A., Tapia, A., Timmermans, C., Tkachenko, O., Tobiska, P., Todero Peixoto, C. J., Tome, B., Torralba Elipe, G., Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Vaclavek, L., Vacula, M., Valdes Galicia, J. F., Valino, I., Valore, L., Varela, E., Varma, K. C. V., Vasquez-Ramirez, A., Veberic, D., Ventura, C., Vergara Quispe, I. D., Verzi, V., Vicha, J., Vink, J., Vorobiov, S., Wahlberg, H., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczynski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Astronomy, Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Alvarez-Muniz J., Alves Batista R., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Araujo Ferreira P.R., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Barreira Luz R.J., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Bister T., Biteau J., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Bonneau Arbeletche L., Borodai N., Botti A.M., Brack J., Bretz T., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Cancio A., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cobos Cerutti A.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., De Almeida R.M., De Jesus J., De Jong S.J., De Mauro G., De Mello Neto J.R.T., De Mitri I., De Oliveira J., De Oliveira Franco D., De Souza V., De Vito E., Debatin J., Del Rio M., Deligny O., Dembinski H., Dhital N., Di Matteo A., Dobrigkeit C., D'Olivo J.C., Dos Anjos R.C., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Garcia Vegas A.L., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Gomez Berisso M., Gomez Vitale P.F., Gongora J.P., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Halliday R., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Kukec Mezek G., Lago B.L., Lahurd D., Lang R.G., Langner N., Leigui De Oliveira M.A., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Lo Presti D., Lopes L., Lopez R., Lorek R., Luce Q., Lucero A., Lundquist J.P., Machado Payeras A., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Martinez Bravo O., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., NoZka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pkala J., Pelayo R., Pena-Rodriguez J., Perez Armand J., Perlin M., Perrone L., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Ristori P., Rizi V., Rodrigues De Carvalho W., Rodriguez Rojo J., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Sanabria Gomez J.D., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulte J., Sciutto S.J., Scornavacche M., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Timmermans C., Tkachenko O., Tobiska P., Todero Peixoto C.J., Tome B., Torralba Elipe G., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Vaclavek L., Vacula M., Valdes Galicia J.F., Valino I., Valore L., Varela E., Varma K. C. V., Vasquez-Ramirez A., Veberic D., Ventura C., Vergara Quispe I.D., Verzi V., Vicha J., Vink J., Vorobiov S., Wahlberg H., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., and Zepeda A.
Subjects: interaction: model, Physics::Instrumentation and Detectors, Astronomy, Hadron, General Physics and Astronomy, Ultra-high energy cosmic rays, muons properties, hadronic models, 01 natural sciences, cosmic ray, particle interaction, astroparticle detectors, Auger, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), iron, surface [detector], Observatory, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics, 4. Education, Settore FIS/01 - Fisica Sperimentale, measured [fluctuation], model [interaction], Astrophysics::Instrumentation and Methods for Astrophysics, model: hadronic, fluctuation: measured, 3. Good health, observatory, Sciences exactes et naturelles, atmosphere [showers], model [particle], air, Cherenkov counter: water, Astrophysics::High Energy Astrophysical Phenomena, UHE [cosmic radiation], FOS: Physical sciences, Cosmic ray, detector: fluorescence, Nuclear physics, cosmic rays, muon, 0103 physical sciences, calorimeter, ddc:530, 14. Life underwater, cosmic radiation: UHE, High Energy Physics, distribution function, electromagnetic component, 010306 general physics, Astrophysique, Pierre Auger Observatory, fluorescence [detector], Muon, showers: atmosphere, hep-ex, detector: surface, water [Cherenkov counter], particle: model, Small deviations, Física, ASTROFÍSICA, Air shower, Experimental High Energy Physics, Elementary Particles and Fields, hadronic [model], High Energy Physics::Experiment
Abstract: The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargue. We are very grateful to the following agencies and organizations for financial support: Argentina-Comision Nacional de Energia Atomica, Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Gobierno de la Provincia de Mendoza, Municipalidad de Malargue, NDM Holdings and Valle Las Lenas; in gratitude for their continuing cooperation over land access; Australia-the Australian Research Council; BrazilConselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ), Sao Paulo Research Foundation (FAPESP) Grants No. 2019/10151-2, No. 2010/07359-6, and No. 1999/05404-3, Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC); Ministry of Education, Youth and Sports of the Czech RepublicGrants No. MSMT CR LTT18004, No. LM2015038, No. LM2018102, No. CZ.02.1.01/0.0/0.0/16_013/0001402, No. CZ.02.1.01/0.0/0.0/18_046/0016010, and No. CZ.02.1.01/0.0/0.0/17_049/0008422; France-Centre de Calcul IN2P3/CNRS, Centre National de la Recherche Scientifique (CNRS), Conseil Regional Ile-de-France, Departement Physique Nucl ' eaire et Corpusculaire (PNC-IN2P3/CNRS), Departement Sciences de l'Univers (SDU-INSU/CNRS), Institut Lagrange de Paris (ILP) Grant No. LABEX ANR-10-LABX-63 within the Investissements d'Avenir Programme Grant No. ANR11-IDEX-0004-02; Germany-Bundesministerium fur Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Finanzministerium Baden-Wurttemberg, Helmholtz Alliance for Astroparticle Physics (HAP), Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen, Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg; Italy-Istituto Nazionale di Fisica Nucleare (INFN), Istituto Nazionale di Astrofisica (INAF), Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), CETEMPS Center of Excellence, Ministero degli Affari Esteri (MAE); Mexico-Consejo Nacional de Ciencia y Tecnologia (CONACYT) Grant No. 167733, Universidad Nacional Autonoma de Mexico (UNAM), PAPIIT DGAPA-UNAM; The Netherlands-Ministry of Education, Culture and Science, Netherlands Organisation for Scientific Research (NWO), Dutch national e-infrastructure with the support of SURF Cooperative; Poland-Ministry of Science and Higher Education, Grant No. DIR/WK/2018/11, National Science Centre, Grants No. 2013/08/M/ST9/00322, No. 2016/23/B/ST9/01635, and No. HARMONIA 5-2013/10/M/ST9/00062, UMO-2016/22/M/ST9/00198; Portugal -Portuguese national funds and FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE); Romania-Romanian Ministry of Education and Research, the Program Nucleu within MCI (PN19150201/16N/2019 and PN19060102), and project PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018 within PNCDI III; Slovenia-Slovenian Research Agency, Grants No. P1-0031, No. P1-0385, No. I00033, No. N1-0111; Spain-Ministerio de Economia, Industria y Competitividad (FPA2017-85114-P and FPA2017-85197-P), Xunta de Galicia (ED431C 2017/07), Junta de Andalucia (SOMM17/6104/UGR), Feder Funds, RENATA Red Nacional Tematica de Astroparticulas (FPA2015-68783-REDT), and Maria de Maeztu Unit of Excellence (MDM-2016-0692); U.S.Department of Energy, Awards No. DE-AC0207CH11359, No. DE-FR02-04ER41300, No. DE-FG0299ER41107, and No. DE-SC0011689, National Science Foundation, Grant No. 0450696, The Grainger Foundation, Marie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, and UNESCO., We present the first measurement of the fluctuations in the number of muons in extensive air showers produced by ultrahigh energy cosmic rays. We find that the measured fluctuations are in good agreement with predictions from air shower simulations. This observation provides new insights into the origin of the previously reported deficit of muons in air shower simulations and constrains models of hadronic interactions at ultrahigh energies. Our measurement is compatible with the muon deficit originating from small deviations in the predictions from hadronic interaction models of particle production that accumulate as the showers develop., Argentina-Comision Nacional de Energia Atomica, ANPCyT, Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Gobierno de la Provincia de Mendoza, Municipalidad de Malargue, NDM Holdings, Valle Las Lenas, Australian Research Council, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ), Fundacao de Apoio a Pesquisa do Distrito Federal (FAPDF), Financiadora de Inovacao e Pesquisa (Finep), Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio De Janeiro (FAPERJ), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) 2019/10151-2 2010/07359-6 1999/05404-3, Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC), Ministry of Education, Youth & Sports - Czech Republic MSMT CR LTT18004 LM2015038 LM2018102 CZ.02.1.01/0.0/0.0/16_013/0001402 CZ.02.1.01/0.0/0.0/18_046/0016010 CZ.02.1.01/0.0/0.0/17_049/0008422, France-Centre de Calcul IN2P3/CNRS, Centre National de la Recherche Scientifique (CNRS), Region Ile-de-France, Departement Sciences de l'Univers (SDU-INSU/CNRS), French National Research Agency (ANR) LABEX ANR-10-LABX-63 ANR11-IDEX-0004-02, Federal Ministry of Education & Research (BMBF), German Research Foundation (DFG), Finanzministerium Baden-Wurttemberg, Helmholtz Alliance for Astroparticle Physics (HAP), Helmholtz Association, Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen, Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg, Italy-Istituto Nazionale di Fisica Nucleare (INFN), Istituto Nazionale Astrofisica (INAF), Ministry of Education, Universities and Research (MIUR), CETEMPS Center of Excellence, Ministry of Foreign Affairs and International Cooperation (Italy), Consejo Nacional de Ciencia y Tecnologia (CONACyT) 167733, Universidad Nacional Autonoma de Mexico (UNAM), PAPIIT DGAPA-UNAM, Netherlands-Ministry of Education, Culture and Science, Netherlands Organization for Scientific Research (NWO), Dutch national e-infrastructure, SURF Cooperative, Poland-Ministry of Science and Higher Education DIR/WK/2018/11, National Science Centre, Poland 2013/08/M/ST9/00322 2016/23/B/ST9/01635 HARMONIA 5-2013/10/M/ST9/00062 UMO-2016/22/M/ST9/00198, Portugal -Portuguese national funds, FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Romania-Romanian Ministry of Education and Research, the Program Nucleu within MCI PN19150201/16N/2019 PN19060102, Romania-Romanian Ministry of Educatio n and Research, the Program Nucleu within PNCDI III PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018, Slovenian Research Agency - Slovenia P1-0031 P1-0385 I00033 N1-0111, Spain-Ministerio de Economia, Industria y Competitividad FPA2017-85114-P FPA2017-85197-P, Xunta de Galicia European Commission ED431C 2017/07, Junta de Andalucia SOMM17/6104/UGR, European Commission, RENATA Red Nacional Tematica de Astroparticulas FPA2015-68783-REDT, Maria de Maeztu Unit of Excellence MDM-2016-0692, United States Department of Energy (DOE) DE-AC0207CH11359 DE-FR02-04ER41300 DE-FG0299ER41107 DE-SC0011689, National Science Foundation (NSF) 0450696, Grainger Foundation, Marie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, UNESCO
Published: 2021
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32. Design, upgrade and characterization of the silicon photomultiplier front-end for the AMIGA detector at the Pierre Auger Observatory

Author: Silvia Mollerach, N. Fazzini, Jonas Glombitza, F. C. T. Barbato, D. Zavrtanik, Serguei Vorobiov, J. Kleinfeller, Marcos Cerda, Denis Stanca, D. Melo, W. M. Namasaka, L. Lopes, A. C. Rovero, Alexandru Balaceanu, Carla Aramo, Julien Souchard, D. Martello, O. Martínez Bravo, K. Mulrey, Carla Bleve, Rodrigo Guedes Lang, Jaime Alvarez-Muñiz, Kevin-Druis Merenda, Alexandru Gherghel-Lascu, E. Santos, Thomas Bretz, Tiina Suomijarvi, V. Rizi, Corbin Covault, Vladimir Lenok, J. Stasielak, P. Tobiska, L. Perrone, L. Valore, R. Sato, Lino Miramonti, D. de Oliveira Franco, Lukáš Vaclavek, G. Mancarella, G. Marsella, A. Weindl, P. Savina, W. Rodrigues de Carvalho, Teresa Bister, Dalibor Nosek, M. Schimp, B. C. Manning, G. P. Guedes, Bjarni Pont, Luis A. Anchordoqui, A. Di Matteo, Marvin Gottowik, B. Keilhauer, P. Abreu, D. Ravignani, Alessio Gorgi, Maximilian Reininghaus, Flavia Gesualdi, Dusan Mandat, Sullivan Marafico, M. Risse, Orazio Zapparrata, Francesco Fenu, Ralf Ulrich, B. Wundheiler, Paul Sommers, Patricia María Hansen, Philipp Papenbreer, E. M. Santos, Eric Mayotte, Toshihiro Fujii, S. J. Sciutto, Juan Miguel Carceller, David Schmidt, J. Perez Armand, M. Gómez Berisso, S. Schröder, Italo Epicoco, Kai Daumiller, F. Sánchez, Marco Giammarchi, Nataliia Borodai, Christian Sarmiento-Cano, G. Parente, Fabrizia Canfora, K. Choi, L. Zehrer, Miroslav Pech, M. Pothast, Valerio Pirronello, C. J.W.P. Timmermans, C. M. Schäfer, C. J. Todero Peixoto, J. F. Valdés Galicia, I. De Mitri, Denise Boncioli, Jakub Juryšek, J. Debatin, Antonio Condorelli, Carola Dobrigkeit, M. Muzio, J. de Oliveira, Martin Vacula, Marcel Köpke, M. Platino, R. Alves Batista, Bruce R. Dawson, Trent D. Grubb, D. Nitz, Alejandro Almela, P. Horvath, J. Chudoba, P.O. Mazur, Darko Veberič, Julian Kemp, B. Andrada, A.L. Garcia Vegas, Sofia Andringa, M. A. Muller, A. Aab, G. Cataldi, Michael Prouza, Fred Sarazin, F. Riehn, T. Huege, Marina Scornavacche, A. Tapia, B. Tome, Josina Schulte, Alex Kääpä, Martina Bohacova, L. Nožka, G. De Mauro, F. Guarino, John Matthews, Peter Buchholz, Steffen Hahn, Claudio Galelli, Juan Carlos D'Olivo, T. Pierog, Juan Manuel Figueira, Mario Buscemi, L. R. Wiencke, Niklas Langner, Roberta Colalillo, Heino Falcke, V. Scherini, Maria Rita Coluccia, Jeffrey Brack, Olaf Scholten, Octavian Sima, Marco Aglietta, Marko Zavrtanik, H. Schieler, Esteban Roulet, A. G. Mariazzi, Justin M. Albury, Humberto Ibarguen Salazar, Hernán Asorey, M. I. Micheletti, Karl-Heinz Kampert, Antonella Castellina, Jonathan Biteau, J. Vicha, G. Farrar, Juan Pablo Gongora, K.-H. Becker, Nicolás González, Jose Chinellato, Alan Watson, H. Wilczyński, M. Suárez-Durán, Xavier Bertou, M. Perlin, Matias Tueros, Mihai Niculescu-Oglinzanu, M. Pimenta, I. Lhenry-Yvon, Jiri Blazek, E. De Vito, Giovanni Consolati, A. Zepeda, Gaetano Salina, Violet M. Harvey, D. Harari, Luis A. Nunez, Pedro Assis, P.R. Araújo Ferreira, Brian Fick, Piera Luisa Ghia, D. Lo Presti, S. J. De Jong, C. O. Escobar, A. Insolia, M. Kleifges, A.D. Supanitsky, H. Martinez, A. Etchegoyen, Marcus Niechciol, A. Taboada, J. Pȩkala, A. Fuster, Miguel Mostafa, Frank G. Schröder, Jarryd A. Day, A. Saftoiu, R.J. Barreira Luz, Tobias Winchen, Julien Manshanden, R. Conceição, A. Puyleart, Corinne Berat, M. Giller, Petr Schovanek, A.C. Cobos Cerutti, P.F. Gómez Vitale, Alina Mihaela Badescu, S. Querchfeld, Andres Travaini, E. Varela, J.D. Sanabria Gomez, Olena Tkachenko, V. Novotny, Ioana Caracas, Cristina Galea, J. R. T. de Mello Neto, L. Bonneau Arbeletche, A. Haungs, Rossella Caruso, A. Lucero, Fernando Catalani, J. Šupík, Carlo Ventura, Florian Lukas Briechle, Massimo Mastrodicasa, P. Ruehl, M. Schimassek, Caterina Trimarelli, Alena Bakalova, C. Hojvat, Jan Ebr, Ladislav Chytka, Samo Stanič, M. E. Bertaina, Markus Roth, M. HrabovskÃ, Jon Paul Lundquist, A. Menshikov, J. Hulsman, Juan Manuel González, P. Mantsch, B. L. Lago, P. Travnicek, Jacco Vink, H. Gemmeke, M. Unger, Jeffrey A. Johnsen, Z. Szadkowski, Gaia Silli, Isabel Goos, R. Squartini, A. Filipčič, D. Heck, Alfred Müller, H.O. Klages, Thomas Hebbeker, Sergio Dasso, Tristan Sudholz, S. Petrera, Marc Weber, A. Letessier-Selvon, Paula Gina Isar, M. del Río, Günter Sigl, Martín Miguel Freire, Roberto Mussa, P. Stassi, Radomir Smida, G. Medina-Tanco, A. A. Nucita, J. Rautenberg, A. Machado Payeras, B. García, R.C. Shellard, Q. Luce, F. Salamida, Maximilian Stadelmaier, R. López, Karen S. Caballero-Mora, R. M. de Almeida, A. Yushkov, Lorenzo Caccianiga, Lorenzo Cazon, G. Golup, Rodrigo Pelayo, Stijn Buitink, Martin Erdmann, François Montanet, J. de Jesús, A. Streich, Gioacchino Alex Anastasi, M. Wirtz, Eleonora Guido, Valerio Verzi, L. Nellen, Roger W Clay, Fernando Gollan, C. Morello, V. de Souza, Peter L. Biermann, Paolo Privitera, David Wittkowski, Olivier Deligny, Tomáš Fodran, Ugo Giaccari, Ioana Codrina Maris, A. C. Fauth, Carla Bonifazi, Jose A. Bellido, Fabio Convenga, G. C. Hill, I.D. Vergara Quispe, Jorge F. Soriano, Hernan Wahlberg, Ralph Engel, A. Parra, P. Ristori, M. Trini, I. Allekotte, M. J. Roncoroni, J. Pallotta, J. Ridky, A. M. Botti, Jörg R. Hörandel, H. J. Mathes, Stanislav Michal, J. Rodriguez Rojo, G. Matthiae, Fridtjof Feldbusch, Enrique Zas, Antonio Bueno, Fernando Contreras, Gualberto Avila, Dariusz Gora, John Farmer, Alan Coleman, Maria-Teresa Dova, M. R. Hampel, S. J. Saffi, F. Pedreira, Raul Sarmento, R.C. dos Anjos, Felix Schlüter, Adriana Vásquez-Ramírez, M. Palatka, Fabian Gobbi, Jesús Peña-Rodríguez, M.A. Leigui de Oliveira, High Energy Astrophys. & Astropart. Phys (API, FNWI), Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Alvarez-Muniz, J., Alves Batista, R., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Araujo Ferreira, P. R., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Barreira Luz, R. J., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Bister, T., Biteau, J., Blazek, J., Bleve, C., Bohacova, M., Boncioli, D., Bonifazi, C., Bonneau Arbeletche, L., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cobos Cerutti, A. C., Colalillo, R., Coleman, A., Coluccia, M. R., Conceicao, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jesus, J., de Jong, S. J., de Mauro, G., de Mello Neto, J. R. T., de Mitri, I., de Oliveira, J., de Oliveira Franco, D., de Souza, V., de Vito, E., Debatin, J., del Rio, M., Deligny, O., Di Matteo, A., Dobrigkeit, C., D'Olivo, J. C., dos Anjos, R. C., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filipcic, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garcia, B., Garcia Vegas, A. L., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., Gomez Berisso, M., Gomez Vitale, P. F., Gongora, J. P., Gonzalez, J. M., Gonzalez, N., Goos, I., Gora, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., Horandel, J. R., Horvath, P., Hrabovsky, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Johnsen, J. A., Jurysek, J., Kaapa, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Kopke, M., Lago, B. L., Lang, R. G., Langner, N., Leigui de Oliveira, M. A., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lo Presti, D., Lopes, L., Lopez, R., Luce, Q., Lucero, A., Lundquist, J. P., Machado Payeras, A., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Maris, I. C., Marsella, G., Martello, D., Martinez, H., Martinez Bravo, O., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mollerach, S., Montanet, F., Morello, C., Mostafa, M., Muller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., Nozka, L., Nucita, A., Nunez, L. A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., Pekala, J., Pelayo, R., Pena-Rodriguez, J., Perez Armand, J., Perlin, M., Perrone, L., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., Rodrigues de Carvalho, W., Rodriguez Rojo, J., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Sanabria Gomez, J. D., Sanchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schafer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schluter, F., Schmidt, D., Scholten, O., Schovanek, P., Schroder, F. G., Schroder, S., Schulte, J., Sciutto, S. J., Scornavacche, M., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Smida, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stanic, S., Stasielak, J., Stassi, P., Streich, A., Suarez-Duran, M., Sudholz, T., Suomijarvi, T., Supanitsky, A. D., Supik, J., Szadkowski, Z., Taboada, A., Tapia, A., Timmermans, C., Tkachenko, O., Tobiska, P., Todero Peixoto, C. J., Tome, B., Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Vaclavek, L., Vacula, M., Valdes Galicia, J. F., Valore, L., Varela, E., Varma, V. K. C., Vasquez-Ramirez, A., Veberic, D., Ventura, C., Vergara Quispe, I. D., Verzi, V., Vicha, J., Vink, J., Vorobiov, S., Wahlberg, H., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczynski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Physics, Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Alvarez-Muniz J., Alves Batista R., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Araujo Ferreira P.R., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Barreira Luz R.J., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Bister T., Biteau J., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Bonneau Arbeletche L., Borodai N., Botti A.M., Brack J., Bretz T., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cobos Cerutti A.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., de Almeida R.M., de Jesus J., de Jong S.J., de Mauro G., de Mello Neto J.R.T., de Mitri I., de Oliveira J., de Oliveira Franco D., de Souza V., de Vito E., Debatin J., del Rio M., Deligny O., Di Matteo A., Dobrigkeit C., D'Olivo J.C., dos Anjos R.C., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Garcia Vegas A.L., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Gomez Berisso M., Gomez Vitale P.F., Gongora J.P., Gonzalez J.M., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Lago B.L., Lang R.G., Langner N., Leigui de Oliveira M.A., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Lo Presti D., Lopes L., Lopez R., Luce Q., Lucero A., Lundquist J.P., Machado Payeras A., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Martinez Bravo O., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pekala J., Pelayo R., Pena-Rodriguez J., Perez Armand J., Perlin M., Perrone L., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Ristori P., Rizi V., Rodrigues de Carvalho W., Rodriguez Rojo J., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Sanabria Gomez J.D., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulte J., Sciutto S.J., Scornavacche M., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Timmermans C., Tkachenko O., Tobiska P., Todero Peixoto C.J., Tome B., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Vaclavek L., Vacula M., Valdes Galicia J.F., Valore L., Varela E., Varma V.K.C., Vasquez-Ramirez A., Veberic D., Ventura C., Vergara Quispe I.D., Verzi V., Vicha J., Vink J., Vorobiov S., Wahlberg H., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., Zepeda A., and Research unit Astroparticle Physics
Subjects: Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Astronomy, Performance of High Energy Physics Detector, 01 natural sciences, 7. Clean energy, Etc), 030218 nuclear medicine & medical imaging, 0302 clinical medicine, Front-end electronics for detector readout, APDs, Instrumentation, physics.ins-det, Photon detectors for UV, Mathematical Physics, Instrumentation et méthodes en physique, EBCCDs, Visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs, CMOS imagers, etc), electronics, Settore FIS/01 - Fisica Sperimentale, Calibration and fitting methods, Performance of High Energy Physics Detectors, Photon detectors for UV, visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs, CMOS imagers, etc), Astrophysics::Instrumentation and Methods for Astrophysics, Si-PMTs, Instrumentation and Detectors (physics.ins-det), charged particle, CCDs, Cluster finding, CMOS imagers, EMCCDs, Pattern recognition, G-APDs, Visible and IR photons (solid-state) (PIN diodes, Auger, observatory, density [muon], Pattern recognition, cluster finding, calibration and fitting method, Christian ministry, upgrade, ddc:620, Astrophysics - Instrumentation and Methods for Astrophysics, performance, atmosphere [showers], Land access, Cherenkov counter: water, air, Astrophysics::High Energy Astrophysical Phenomena, UHE [cosmic radiation], FOS: Physical sciences, 03 medical and health sciences, Political science, 0103 physical sciences, muon: density, photomultiplier: silicon, High Energy Physics, cosmic radiation: UHE, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], ddc:610, Instrumentation and Methods for Astrophysics (astro-ph.IM), Engineering & allied operations, scintillation counter, showers: atmosphere, 010308 nuclear & particles physics, water [Cherenkov counter], Autres mathématiques, Research council, efficiency, Experimental High Energy Physics, silicon [photomultiplier], High Energy Physics::Experiment, Humanities, RAIOS CÓSMICOS, astro-ph.IM
Abstract: The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargue. We are very grateful to the following agencies and organizations for financial support: Argentina -Comision Nacional de Energia Atomica; Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT); Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET); Gobierno de la Provincia de Mendoza; Municipalidad de Malargue; NDM Holdings and Valle Las Lenas; in gratitude for their continuing cooperation over land access; Australia -the Australian Research Council; Brazil -Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq); Financiadora de Estudos e Projetos (FINEP); Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ); Sao Paulo Research Foundation (FAPESP) Grants No. 2019/10151-2, No. 2010/07359-6 and No. 1999/05404-3; Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC); Czech Republic Grant No. MSMT CR LTT18004, LM2015038, LM2018102, CZ.02.1.01/0.0/0.0/16_013/0001402, CZ.02.1.01/0.0/0.0/18_046/0016010 and CZ.02.1.01/0.0/0.0/17_049/0008422; France -Centre de Calcul IN2P3/CNRS; Centre National de la Recherche Scientifique (CNRS); Conseil Regional Ile-de-France; Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS); Departement Sciences de l'Univers (SDU-INSU/CNRS); Institut Lagrange de Paris (ILP) Grant No. LABEX ANR-10-LABX-63 within the Investissements d'Avenir Programme Grant No. ANR-11-IDEX-0004-02; Germany-Bundesministerium fur Bildung und Forschung (BMBF); Deutsche Forschungsgemeinschaft (DFG); Finanzministerium Baden-Wurttemberg; Helmholtz Alliance for Astroparticle Physics (HAP); Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF); Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen; Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg; Italy-Istituto Nazionale di Fisica Nucleare (INFN); Istituto Nazionale di Astrofisica (INAF); Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR); CETEMPS Center of Excellence; Ministero degli Affari Esteri (MAE); Mexico-Consejo Nacional de Ciencia y Tecnologia (CONACYT) No. 167733; Universidad Nacional Autonoma de Mexico (UNAM); PAPIIT DGAPA-UNAM; The Netherlands -Ministry of Education, Culture and Science; Netherlands Organisation for Scientific Research (NWO); Dutch national e-infrastructure with the support of SURF Cooperative; Poland-Ministry of Science and Higher Education, grant No. DIR/WK/2018/11; National Science Centre, Grants No. 2013/08/M/ST9/00322, No. 2016/23/B/ST9/01635 and No. HARMONIA 5-2013/10/M/ST9/00062, UMO-2016/22/M/ST9/00198; Portugal -Portuguese national funds and FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE); Romania-Romanian Ministry of Education and Research, the Program Nucleu within MCI(PN19150201/16N/2019 and PN19060102) and project PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018 within PNCDI III; Slovenia -Slovenian Research Agency, grants P1-0031, P1-0385, I0-0033, N1-0111; Spain-Ministerio de Economia, Industria y Competitividad (FPA2017-85114-P and FPA2017-85197-P), Xunta de Galicia (ED431C 2017/07), Junta de Andalucia (SOMM17/6104/UGR), Feder Funds, RENATA Red Nacional Tematica de Astroparticulas (FPA2015-68783-REDT) and Maria de Maeztu Unit of Excellence (MDM-2016-0692); U.S.A. -Department of Energy, Contracts No. DE-AC02-07CH11359, No. DE-FR02-04ER41300, No. DE-FG02-99ER41107 and No. DE-SC0011689; National Science Foundation, Grant No. 0450696; The Grainger Foundation; Marie Curie-IRSES/EPLANET; European Particle Physics Latin American Network; and UNESCO., AMIGA (Auger Muons and Infill for the Ground Array) is an upgrade of the Pierre Auger Observatory to complement the study of ultra-high-energy cosmic rays (UHECR) by measuring the muon content of extensive air showers (EAS). It consists of an array of 61 water Cherenkov detectors on a denser spacing in combination with underground scintillation detectors used for muon density measurement. Each detector is composed of three scintillation modules, with 10 m(2) detection area per module, buried at 2.3 m depth, resulting in a total detection area of 30 m(2). Silicon photomultiplier sensors (SiPM) measure the amount of scintillation light generated by charged particles traversing the modules. In this paper, the design of the front-end electronics to process the signals of those SiPMs and test results from the laboratory and from the Pierre Auger Observatory are described. Compared to our previous prototype, the new electronics shows a higher performance, higher efficiency and lower power consumption, and it has a new acquisition system with increased dynamic range that allows measurements closer to the shower core. The new acquisition system is based on the measurement of the total charge signal that the muonic component of the cosmic ray shower generates in the detector., Argentina - Comision Nacional de Energia Atomica, Argentina - Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT), Argentina - Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Argentina - Gobierno de la Provincia de Mendoza, Argentina - Municipalidad de Malargue, Argentina - NDM Holdings, Argentina - Valle Las Lenas, Australian Research Council, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ) Fundacao de Apoio a Pesquisa do Distrito Federal (FAPDF) Brazil - Financiadora de Estudos e Projetos (FINEP), Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio De Janeiro (FAPERJ), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) 2019/10151-2 2010/07359-6 1999/05404-3, Brazil - Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC), Brazil - Czech Republic Grant MSMT CR LTT18004 LM2015038 LM2018102 CZ.02.1.01/0.0/0.0/16_013/0001402 CZ.02.1.01/0.0/0.0/18_046/0016010 CZ.02.1.01/0.0/0.0/17_049/0008422, France - Centre de Calcul IN2P3/CNRS, Centre National de la Recherche Scientifique (CNRS), France - Conseil Regional Ile-de-France, France - Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS), France - Departement Sciences de l'Univers (SDU-INSU/CNRS), French National Research Agency (ANR) LABEX ANR-10-LABX-63, Institut Lagrange de Paris (ILP) within the Investissements d'Avenir Programme ANR-11-IDEX-0004-02, Federal Ministry of Education & Research (BMBF), Bundesministerium fur Bildung und Forschung (BMBF), German Research Foundation (DFG), Germany - Finanzministerium Baden-Wurttemberg, Germany - Helmholtz Alliance for Astroparticle Physics (HAP), Germany - Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Germany - Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen, Germany - Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg, Italy - Istituto Nazionale di Fisica Nucleare (INFN), Italy - Istituto Nazionale di Astrofisica (INAF), Italy - Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Italy - CETEMPS Center of Excellence, Consejo Nacional de Ciencia y Tecnologia (CONACyT) 167733, Mexico - Universidad Nacional Autonoma de Mexico (UNAM), Mexico - PAPIIT DGAPA-UNAM, Netherlands - Ministry of Education, Culture and Science, Netherlands Organization for Scientific Research (NWO), Netherlands Organisation for Scientific Research (NWO), The Netherlands - SURF Cooperative, Poland - Ministry of Science and Higher Education DIR/WK/2018/11 Poland - National Science Centre 2013/08/M/ST9/00322 2016/23/B/ST9/01635 HARMONIA 5-2013/10/M/ST9/00062 UMO-2016/22/M/ST9/00198, Portugal - Portuguese national funds Portugal - FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Romania - Romanian Ministry of Education and Research Romania - Program Nucleu within MCI PN19150201/16N/2019 PN19060102 Romania - PNCDI III PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018, Slovenian Research Agency - Slovenia P1-0031 P1-0385 I0-0033 N1-0111, Spain - Ministerio de Economia, Industria y Competitividad FPA2017-85114-P FPA2017-85197-P, Spain - Xunta de Galicia ED431C 2017/07, Junta de Andalucia SOMM17/6104/UGR, Spain - Feder Funds, Spain - RENATA Red Nacional Tematica de Astroparticulas FPA2015-68783-REDT, Spain - Maria de Maeztu Unit of Excellence MDM-2016-0692, United States Department of Energy (DOE) DE-AC02-07CH11359, National Science Foundation (NSF) 0450696, U.S.A. - Grainger Foundation U.S.A. - Marie Curie-IRSES/EPLANET U.S.A. - European Particle Physics Latin American Network U.S.A. - UNESCO, Italy - Ministero degli Affari Esteri (MAE), The Netherlands - Dutch national e-infrastructure
Published: 2021
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33. Deep-learning based reconstruction of the shower maximum X max using the water-Cherenkov detectors of the Pierre Auger Observatory

Author: A. Segreto, Günter Sigl, Orazio Zapparrata, P. Stassi, Radomir Smida, A. Machado Payeras, G. Cataldi, V. Scherini, Carola Dobrigkeit, M. Muzio, Marcio Aparecido Muller, Srijan Sehgal, Fernando Gollan, Carla Bleve, Rodrigo Guedes Lang, M. E. Bertaina, F. de Palma, Alan Watson, M. Perlin, Mihai Niculescu-Oglinzanu, L. Valore, Belén Andrada, Marina Scornavacche, V. de Souza, G. Golup, Violet M. Harvey, D. Harari, N. Kunka, T. Bister, F. Riehn, P. Tobiska, Jonathan Biteau, M. I. Micheletti, A. Insolia, Jesús Peña-Rodríguez, Matías J. Roncoroni, Sullivan Marafico, M. Kleifges, D. Zavrtanik, Marco Giammarchi, R.J. Barreira Luz, D. Melo, G. P. Guedes, F. Salamida, N. Fazzini, Jonas Glombitza, F. C. T. Barbato, A. Yushkov, Alina Mihaela Badescu, Ioana Codrina Maris, R. Sato, Lourenco Lopes, Toshihiro Fujii, S. Schröder, Italo Epicoco, Marvin Gottowik, Cristina Galea, M. Prouza, Brian Fick, Xavier Bertou, A. Di Matteo, Julian Kemp, Eric Mayotte, D. Nitz, Esteban Roulet, P. Abreu, D. Ravignani, R. M. de Almeida, K. H. Kampert, J. C. Arteaga Velázquez, J. Kleinfeller, A. Zepeda, M. Gómez Berisso, R. C. Shellard, Roberto Mussa, A. Puyleart, Jakub Juryšek, Petr Hamal, Steffen Hahn, Juan Carlos D'Olivo, Julien Manshanden, Lorenzo Caccianiga, Pedro Assis, H. Martinez, A. Etchegoyen, G. C. Hill, Corinne Berat, M. Giller, Jan Pękala, Rúben Conceição, Valerio Verzi, B. Tome, J. Chudoba, L. Lu, H. J. Mathes, Stanislav Michal, B. Wundheiler, Andres Travaini, K. Choi, Alex Kääpä, Ralph Engel, Flavia Gesualdi, J. Perez Armand, E. Varela, D. Correia dos Santos, J. Ridky, L. R. Wiencke, T. Pierog, François Montanet, Justin M. Albury, P. L. Ghia, Marcel Köpke, M. Platino, J.D. Sanabria Gomez, Rodrigo Pelayo, Jose J. Gonzalez, Stijn Buitink, Katie Mulrey, Carlos Escobar, G. De Mauro, Kevin-Druis Merenda, Vladimir Lenok, L. Perrone, H. Schieler, C. J. Todero Peixoto, Mario Buscemi, D. Nosek, E. Santos, Niklas Langner, Antonella Castellina, Eleonora Guido, Antonio Condorelli, M. Risse, Jörg R. Hörandel, J. F. Valdés Galicia, I. De Mitri, Jonathan Blazek, Jose Chinellato, J. Rodriguez Rojo, Fridtjof Feldbusch, A.L. Garcia Vegas, Enrique Zas, I. Lhenry-Yvon, C. Trimarelli, Gaia Silli, A. Filipčič, A.D. Supanitsky, Philipp Papenbreer, Claudio Galelli, A. Weindl, M. Suárez-Durán, J. Stasielak, T. Huege, Hernán Gonzalo Asorey, L. Nellen, L. Anchordoqui, Alena Bakalova, C. Morello, Miroslav Hrabovský, Petr Travnicek, Trent D. Grubb, G. Parente, Fabrizia Canfora, Fernando Contreras, A. Haungs, Juan Manuel Figueira, Roberta Colalillo, Paul Sommers, Clara Keiko Oliveira Watanabe, B. García, M. Schimp, A. G. Mariazzi, R. López, Karen S. Caballero-Mora, H. Wilczyński, Ioana Caracas, A. Letessier-Selvon, Lorenzo Cazon, C. Pérez Bertolli, F. Sanchez, F. Sarazin, S. Petrera, Marc Weber, David Schmidt, G. Farrar, L. Zehrer, J. de Oliveira, Alejandro Almela, P. Mantsch, Z. Szadkowski, M. Schimassek, C. Hojvat, Jan Ebr, Jacco Vink, Peter L. Biermann, L. Bonneau Arbeletche, Maximilian Reininghaus, Paolo Privitera, M. A. Leigui de Oliveira, Jaime Alvarez-Muñiz, Alexandru Gherghel-Lascu, Martin Erdmann, J. de Jesús, A. Taboada, G. Marsella, E. M. Santos, A. Gorgi, H.O. Klages, B. C. Manning, Dariusz Gora, Bjarni Pont, Thomas Bretz, Petr Janecek, Corbin Covault, Matías Rolf Hampel, Frank G. Schröder, R. Squartini, Alfred Müller, P.F. Gómez Vitale, A. Streich, Gioacchino Alex Anastasi, M. Wirtz, David Wittkowski, G. Salina, Roger W Clay, Olivier Deligny, W. M. Namasaka, M. Mastrodicasa, A. C. Rovero, Alexandru Balaceanu, A. A. Nucita, Alan Coleman, Lino Miramonti, S. J. Saffi, Lukáš Vaclavek, J. F. Soriano, D. de Oliveira Franco, R. Alves Batista, Bruce R. Dawson, Octavian Sima, Ana Martina Botti, Jeffrey Brack, Olaf Scholten, P.O. Mazur, K.-H. Becker, Maria Rita Coluccia, Dusan Mandat, Francesco Fenu, Humberto Ibarguen Salazar, M. Pimenta, Tomáš Fodran, Alina Nasr-Esfahani, P.R. Araújo Ferreira, Tobias Winchen, G. Mancarella, B. Keilhauer, Florian Lukas Briechle, Darko Veberič, Ugo Giaccari, S. J. Sciutto, F. Pedreira, Christian Sarmiento-Cano, Raul Sarmento, G. Medina-Tanco, Felix Schlüter, P. Ruehl, Carla Aramo, Vincenzo Rizi, C. J.W.P. Timmermans, Julien Souchard, Jon Paul Lundquist, A. Menshikov, D. Martello, Juan Miguel Carceller, C. M. Schäfer, Markus Roth, Silvia Mollerach, O. Martínez Bravo, Isabel Goos, D. Heck, A. Tapia, Josina Schulte, Peter Hansen, M. del Río, H. Gemmeke, Fabian Gobbi, B. L. Lago, P. Savina, W. Rodrigues de Carvalho, Denise Boncioli, M. Unger, F. Guarino, John Matthews, Peter Buchholz, Marco Aglietta, Miguel Mostafa, E.E. Pereira Martins, Serguei Vorobiov, Martina Bohacova, Miroslav Pech, M. Pothast, J. Hulsman, J. Rautenberg, Pavel Horvath, Q. Luce, Marcus Niechciol, Juan Pablo Gongora, Paula Gina Isar, Sofia Andringa, Maximilian Stadelmaier, Nataliia Borodai, Marcos Cerda, D. Lo Presti, S. J. De Jong, Samo Stanič, Jarryd A. Day, A. Saftoiu, A.C. Cobos Cerutti, Martin Vacula, J. R. T. de Mello Neto, V. Novotny, V. K.C. Varma, Rossella Caruso, A. Lucero, Fernando Catalani, N. González, Kai Daumiller, Heino Falcke, S. Querchfeld, Olena Tkachenko, Thomas Hebbeker, Sergio Dasso, Tristan Sudholz, J. Šupík, Carlo Ventura, Martín Miguel Freire, V. Pirronello, J. Vicha, Ladislav Chytka, A. Aab, Carla Taricco, Matias Tueros, Luis A. Nunez, T. Suomijärvi, J. Pallotta, Hernan Wahlberg, A. Parra, A. Fuster, M. Trini, P.G. Brichetto Orchera, I. Allekotte, A. C. Fauth, Carla Bonifazi, Jose A. Bellido, Fabio Convenga, I.D. Vergara Quispe, M. Zavrtanik, E. De Vito, Giovanni Consolati, Petr Schovanek, Denis Stanca, Ralf Ulrich, L. Nožka, G. Matthiae, Antonio Bueno, Gualberto Avila, John Farmer, Maria-Teresa Dova, R.C. dos Anjos, Adriana Vásquez-Ramírez, M. Palatka, Jeffrey A. Johnsen, Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Alvarez-Mu??iz, J., Alves Batista, R., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Ara??jo Ferreira, P. R., Arteaga Vel??zquez, J. C., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Barreira Luz, R. J., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Bister, T., Biteau, J., Blazek, J., Bleve, C., Boh????ov??, M., Boncioli, D., Bonifazi, C., Bonneau Arbeletche, L., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Brichetto Orchera, P. G., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cobos Cerutti, A. C., Colalillo, R., Coleman, A., Coluccia, M. R., Concei????o, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Correia dos Santos, D., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jes??s, J., de Jong, S. J., De Mauro, G., de Mello Neto, J. R. T., De Mitri, I., de Oliveira, J., de Oliveira Franco, D., de Palma, F., de Souza, V., De Vito, E., del R??o, M., Deligny, O., Di Matteo, A., Dobrigkeit, C., D'Olivo, J. C., dos Anjos, R. C., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filip??i??, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garc??a, B., Garcia Vegas, A. L., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., G??mez Berisso, M., G??mez Vitale, P. F., Gongora, J. P., Gonz??lez, J. M., Gonz??lez, N., Goos, I., G??ra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Hamal, P., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., H??randel, J. R., Horvath, P., Hrabovsk??, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Janecek, P., Johnsen, J. A., Jurysek, J., K????p??, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., K??pke, M., Kunka, N., Lago, B. L., Lang, R. G., Langner, N., Leigui de Oliveira, M. A., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lo Presti, D., Lopes, L., L??pez, R., Lu, L., Luce, Q., Lucero, A., Lundquist, J. P., Machado Payeras, A., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Mari??, I. C., Marsella, G., Martello, D., Martinez, H., Mart??nez Bravo, O., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mollerach, S., Montanet, F., Morello, C., Mostaf??, M., M??ller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nasr-Esfahani, A., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., No??ka, L., Nucita, A., N????ez, L. A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., P??kala, J., Pelayo, R., Pe??a-Rodriguez, J., Pereira Martins, E. E., Perez Armand, J., P??rez Bertolli, C., Perlin, M., Perrone, L., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Rizi, V., Rodrigues de Carvalho, W., Rodriguez Rojo, J., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Sanabria Gomez, J. D., S??nchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Sch??fer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schl??ter, F., Schmidt, D., Scholten, O., Schov??nek, P., Schr??der, F. G., Schr??der, S., Schulte, J., Sciutto, S. J., Scornavacche, M., Segreto, A., Sehgal, S., Shellard, R. C., Sigl, G., Silli, G., Sima, O., m??da, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stani??, S., Stasielak, J., Stassi, P., Streich, A., Su??rez-Dur??n, M., Sudholz, T., Suomij??rvi, T., Supanitsky, A. D., up??k, J., Szadkowski, Z., Taboada, A., Tapia, A., Taricco, C., Timmermans, C., Tkachenko, O., Tobiska, P., Todero Peixoto, C. J., Tom??, B., Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Vaclavek, L., Vacula, M., Galicia, J. F. Vald??s., Valore, L., Varela, E., Varma K. C., V., V??squez-Ram??rez, A., Veberi??, D., Ventura, C., Vergara Quispe, I. D., Verzi, V., Vicha, J., Vink, J., Vorobiov, S., Wahlberg, H., Watanabe, C., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczy??ski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., High Energy Astrophys. & Astropart. Phys (API, FNWI), Gravitation and Astroparticle Physics Amsterdam, Astronomy and Astrophysics Research Group, Physics, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Alvarez-Muniz J., Batista R.A., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Ferreira P.R.A., Velazquez J.C.A., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Luz R.J.B., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Bister T., Biteau J., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Arbeletche L.B., Borodai N., Botti A.M., Brack J., Bretz T., Orchera P.G.B., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cerutti A.C.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., dos Santos D.C., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., de Almeida R.M., de Jesus J., de Jong S.J., de Mauro G., de Mello Neto J.R.T., de Mitri I., de Oliveira J., de Oliveira Franco D., de Palma F., de Souza V., de Vito E., del Rio M., Deligny O., Di Matteo A., Dobrigkeit C., D'Olivo J.C., dos Anjos R.C., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Vegas A.L.G., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Berisso M.G., Vitale P.F.G., Gongora J.P., Gonzalez J.M., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Hamal P., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Janecek P., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Kunka N., Lago B.L., Lang R.G., Langner N., de Oliveira M.A.L., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Presti D.L., Lopes L., Lopez R., Lu L., Luce Q., Lucero A., Lundquist J.P., Payeras A.M., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Bravo O.M., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nasr-Esfahani A., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pekala J., Pelayo R., Pena-Rodriguez J., Martins E.E.P., Armand J.P., Bertolli C.P., Perlin M., Perrone L., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Rizi V., Rodrigues de Carvalho W., Rojo J.R., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Gomez J.D.S., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulte J., Sciutto S.J., Scornavacche M., Segreto A., Sehgal S., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Taricco C., Timmermans C., Tkachenko O., Tobiska P., Peixoto C.J.T., Tome B., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Vaclavek L., Vacula M., Galicia J.F.V., Valore L., Varela E., Varma V.K.C., Vasquez-Ramirez A., Veberic D., Ventura C., Quispe I.D.V., Verzi V., Vicha J., Vink J., Vorobiov S., Wahlberg H., Watanabe C., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., Zepeda A., Research unit Astroparticle Physics, Alvarez-Muniz, J., Batista, R. A., Ferreira, P. R. A., Velazquez, J. C. A., Luz, R. J. B., Bohacova, M., Arbeletche, L. B., Orchera, P. G. B., Cerutti, A. C. C., Conceicao, R., dos Santos, D. C., de Jesus, J., de Mauro, G., de Mitri, I., de Vito, E., del Rio, M., Filipcic, A., Garcia, B., Vegas, A. L. G., Berisso, M. G., Vitale, P. F. G., Gonzalez, J. M., Gonzalez, N., Gora, D., Horandel, J. R., Hrabovsky, M., Kaapa, A., Kopke, M., de Oliveira, M. A. L., Presti, D. L., Lopez, R., Payeras, A. M., Maris, I. C., Bravo, O. M., Mostafa, M., Muller, A. L., Nozka, L., Nunez, L. A., Pekala, J., Pena-Rodriguez, J., Martins, E. E. P., Armand, J. P., Bertolli, C. P., Rojo, J. R., Gomez, J. D. S., Sanchez, F., Schafer, C. M., Schluter, F., Schovanek, P., Schroder, F. G., Schroder, S., Smida, R., Stanic, S., Suarez-Duran, M., Suomijarvi, T., Supik, J., Peixoto, C. J. T., Tome, B., Galicia, J. F. V., Varma, V. K. C., Vasquez-Ramirez, A., Veberic, D., Quispe, I. D. V., and Wilczynski, H.
Subjects: showers: energy, longitudinal [showers], interaction: model, Physics::Instrumentation and Detectors, Astronomy, Calibration and fitting methods, Cluster finding, Data analysis, Large detector systems for particle and astroparticle physics, Particle identification methods, Pattern recognition, 01 natural sciences, High Energy Physics - Experiment, Auger, High Energy Physics - Experiment (hep-ex), cluster finding, surface [detector], Observatory, Large detector systems, Instrumentation, Mathematical Physics, High Energy Astrophysical Phenomena (astro-ph.HE), astro-ph.HE, Physics, Pattern recognition, cluster finding, calibration and fitting methods, Settore FIS/01 - Fisica Sperimentale, model [interaction], Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Data analysi, calibration and fitting methods, energy [showers], observatory, Pattern recognition, cluster finding, calibration and fitting method, astroparticle physics, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, atmosphere [showers], air, neural network, Astrophysics::High Energy Astrophysical Phenomena, UHE [cosmic radiation], FOS: Physical sciences, Cosmic ray, detector: fluorescence, 0103 physical sciences, ddc:530, High Energy Physics, ddc:610, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], cosmic radiation: UHE, structure, particle physics, network: performance, 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Ciencias Exactas, Cherenkov radiation, fluorescence [detector], Pierre Auger Observatory, mass spectrum [nucleus], showers: atmosphere, detector: surface, hep-ex, 010308 nuclear & particles physics, Física, resolution, calibration, Computational physics, performance [network], Cherenkov counter, Air shower, Large detector systems for particle and astroparticle physic, Experimental High Energy Physics, High Energy Physics::Experiment, nucleus: mass spectrum, showers: longitudinal, RAIOS CÓSMICOS, Energy (signal processing), astro-ph.IM
Abstract: The atmospheric depth of the air shower maximum $X_{\mathrm{max}}$ is an observable commonly used for the determination of the nuclear mass composition of ultra-high energy cosmic rays. Direct measurements of $X_{\mathrm{max}}$ are performed using observations of the longitudinal shower development with fluorescence telescopes. At the same time, several methods have been proposed for an indirect estimation of $X_{\mathrm{max}}$ from the characteristics of the shower particles registered with surface detector arrays. In this paper, we present a deep neural network (DNN) for the estimation of $X_{\mathrm{max}}$. The reconstruction relies on the signals induced by shower particles in the ground based water-Cherenkov detectors of the Pierre Auger Observatory. The network architecture features recurrent long short-term memory layers to process the temporal structure of signals and hexagonal convolutions to exploit the symmetry of the surface detector array. We evaluate the performance of the network using air showers simulated with three different hadronic interaction models. Thereafter, we account for long-term detector effects and calibrate the reconstructed $X_{\mathrm{max}}$ using fluorescence measurements. Finally, we show that the event-by-event resolution in the reconstruction of the shower maximum improves with increasing shower energy and reaches less than $25~\mathrm{g/cm^{2}}$ at energies above $2\times 10^{19}~\mathrm{eV}$., Published version, 29 pages, 12 figures
Published: 2021
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34. Prototype Schwarzschild-Couder Telescope for the Cherenkov Telescope Array: Commissioning the Optical System

Author: M. Valentino, M. Capasso, R. A. Cameron, Q. Feng, Valerio Vagelli, L. P. Taylor, Daniel Nieto, K. Meagher, F. R. Pantaleo, N. Otte, F. Di Pierro, V. Masone, R. Shang, F. Licciulli, W. Jin, T. B. Humensky, R. Halliday, Andrea Rugliancich, P. I. Batista, Bruna Bertucci, Wystan Benbow, C. Bonavolontà, Serena Loporchio, L. Stiaccini, A. Boiano, D. Depaoli, R. Paoletti, G. Marsella, A. Brill, Maria Ionica, David R. Williams, Olivier Hervet, B. A. W. Mode, Richard Bose, Corbin Covault, M. Ambrosio, Carla Aramo, M. Caprai, Luca Tosti, Thomas Meures, Peter Y. Yu, E. Roache, Reshmi Mukherjee, N. Giglietto, Rodolfo Canestrari, V. V. Vassiliev, Elisabetta Bissaldi, G. Ambrosi, G. H. Tovmassian, L. Riitano, Marcos Santander, Ferdinando Giordano, E. Pueschel, D. Ribeiro, G. Tripodo, S. J. Fegan, Amy Furniss, G. Pareschi, Manel Errando, S. I. Mognet, Alasdair E. Gent, E. Fiandrini, S. Incardona, D. B. Kieda, J. Vandenbroucke, Julien Rousselle, Enrico Giro, J. H. Buckley, M. Bitossi, C. Adams, Atsushi Okumura, and L. Di Venere
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, Astronomy, Cherenkov Telescope Array, law.invention, Telescope, law, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics (astro-ph.IM), Schwarzschild radius, Physics - Optics, Optics (physics.optics)
Abstract: A prototype Schwarzschild-Couder Telescope (pSCT) has been constructed at the Fred Lawrence Whipple Observatory as a candidate for the medium-sized telescopes of the Cherenkov Telescope Array Observatory (CTAO). CTAO is currently entering early construction phase of the project and once completed it will vastly improve very high energy gamma-ray detection component in multi-wavelength and multi-messenger observations due to significantly improved sensitivity, angular resolution and field of view comparing to the current generation of the ground-based gamma-ray observatories H.E.S.S., MAGIC and VERITAS. The pSCT uses a dual aspheric mirror design with a $9.7$ m primary mirror and $5.4$ m secondary mirror, both of which are segmented. The Schwarzschild-Couder (SC) optical system (OS) selected for the prototype telescope achieves wide field of view of $8$ degrees and simultaneously reduces the focal plane plate scale allowing an unprecedented compact ($0.78$m diameter) implementation of the high-resolution camera ($6$mm/ $0.067$deg per imaging pixel with $11,328$ pixels) based on the silicon photo-multipliers (SiPMs). The OS of the telescope is designed to eliminate spherical and comatic aberrations and minimize astigmatism to radically improve off-axis imaging and consequently angular resolution across all the field of view with respect to the conventional single-mirror telescopes. Fast and high imaging resolution OS of the pSCT comes with the challenging submillimeter-precision custom alignment system, which was successfully demonstrated with an on-axis point spread function (PSF) of $2.9$ arcmin prior to the first-light detection of the Crab Nebula in 2020. Ongoing and future commissioning activities are reported.
Published: 2021

35. The energy spectrum of cosmic rays beyond the turn-down around 1017 eV as measured with the surface detector of the Pierre Auger Observatory

Author: A. C. Fauth, Vladimir Lenok, L. Perrone, M. I. Micheletti, M. Risse, Jonathan Blazek, Alessio Gorgi, Carla Bonifazi, Jose A. Bellido, Fabio Convenga, Marvin Gottowik, G. Matthiae, Brian Fick, Orazio Zapparrata, Antonio Bueno, Carola Dobrigkeit, M. Muzio, G. Parente, D. Melo, J. Rautenberg, M. E. Bertaina, Abha Khakurdikar, P. Abreu, Fabrizia Canfora, D. Ravignani, L. Bonneau Arbeletche, L. Zehrer, Q. Luce, M. Schimassek, C. Hojvat, Jan Ebr, Alan Watson, I.D. Vergara Quispe, G. P. Guedes, Toshihiro Fujii, Jakub Juryšek, Petr Hamal, Steffen Hahn, Juan Carlos D'Olivo, T. Pierog, Eric Mayotte, Esteban Roulet, M. Gómez Berisso, R. C. Shellard, Justin M. Albury, P. L. Ghia, Gualberto Avila, Sara Martinelli, M. Perlin, Mihai Niculescu-Oglinzanu, Zoé Torrès, Dariusz Gora, B. Tome, Josina Schulte, Maximilian Stadelmaier, F. Riehn, Marina Scornavacche, Jonathan Biteau, K. H. Kampert, J. C. Arteaga Velázquez, Ioana Codrina Maris, Octavian Sima, J. de Oliveira, R. Conceição, Alejandro Almela, Jacco Vink, H.O. Klages, Alan Coleman, Peter Hansen, F. Guarino, John Matthews, Peter Buchholz, J. F. Valdés Galicia, L. Valore, D. Nitz, W. M. Namasaka, A. C. Rovero, S. J. Saffi, Isabel Goos, D. Heck, Jeffrey A. Johnsen, Miroslav Hrabovský, A. Haungs, Julien Manshanden, V. V. Kizakke Covilakam, Andres Travaini, A. Segreto, Günter Sigl, D. Nosek, E. Santos, A. A. Nucita, I. De Mitri, R. Sato, M. del Río, P. Stassi, Hernan Wahlberg, Radomir Smida, Mario Buscemi, John Farmer, F. Fenu, A. Machado Payeras, Violet M. Harvey, D. Harari, Marcel Köpke, M. Platino, G. C. Hill, P. Mantsch, D. Lo Presti, S. J. De Jong, Alexandru Balaceanu, Z. Szadkowski, E. Varela, J.D. Sanabria Gomez, Roberto Mussa, Marco Aglietta, Julian Kemp, Paul Sommers, Srijan Sehgal, Jorge F. Soriano, Thomas Hebbeker, Fernando Gollan, Max Büsken, Sergio Dasso, Tristan Sudholz, Martín Miguel Freire, M. A. Leigui de Oliveira, F. Pedreira, V. de Souza, Carla Aramo, Vincenzo Rizi, J. Perez Armand, Maria-Teresa Dova, M. R. Hampel, Pierre Billoir, A. Puyleart, Corinne Berat, Julien Souchard, Thomas Fitoussi, D. Martello, Alena Bakalova, Jarryd A. Day, A. Saftoiu, Ralph Engel, J. Ridky, A. Parra, M. Zavrtanik, L. R. Wiencke, Niklas Langner, Alex Kääpä, Marcio Aparecido Muller, Martina Bohacova, Giovanni Mancarella, O. Martínez Bravo, K. Mulrey, F. Sánchez, Miroslav Pech, V. Pirronello, Raul Sarmento, Felix Schlüter, Fabian Gobbi, Sullivan Marafico, Juan Pablo Gongora, Alina Mihaela Badescu, A. Weindl, Cristina Galea, François Montanet, M. Pothast, A.C. Cobos Cerutti, F. de Palma, E. De Vito, Darko Veberič, M. Suárez-Durán, Pavel Horvath, Claudio Galelli, M. Prouza, P. Ruehl, Marco Giammarchi, Clara Keiko Oliveira Watanabe, Flavia Gesualdi, J. R. T. de Mello Neto, Carla Taricco, Carla Bleve, Rodrigo Guedes Lang, R. M. de Almeida, T. Huege, Jeffrey Brack, Matias Tueros, G. Golup, Humberto Ibarguen Salazar, Eleonora Guido, Giovanni Consolati, Frank G. Schröder, N. Kunka, Maria Rita Coluccia, Maximilian Reininghaus, P. Tobiska, B. Andrada, K.-H. Becker, M. Pimenta, Silvia Mollerach, T. Bister, G. Marsella, H. Schieler, Jesús Peña-Rodríguez, P.G. Brichetto Orchera, David Wittkowski, G. Salina, Olivier Deligny, D. Correia dos Santos, Rodrigo Pelayo, Antonella Castellina, Stijn Buitink, V. Novotny, Luis A. Nunez, J. Stasielak, Jannis Pawlowsky, Rossella Caruso, Fernando Catalani, D. D. dos Santos, Sofia Andringa, R.C. dos Anjos, N. Fazzini, David Schmidt, Adriana Vásquez-Ramírez, Jonas Glombitza, F. C. T. Barbato, I. Allekotte, M. J. Roncoroni, Caterina Trimarelli, P.R. Araújo Ferreira, S. Schröder, Italo Epicoco, A. L. Müller, Tomáš Fodran, Alina Nasr-Esfahani, Thomas Bretz, Miguel Mostafa, Daniela Mockler, Petr Schovanek, L. Lopes, A. Di Matteo, R. Squartini, Florian Lukas Briechle, Petr Janecek, Corbin Covault, T. Suomijärvi, J. Pallotta, Juan Manuel González, G. De Mauro, M. Palatka, Gaia Silli, A. Tapia, A. Filipčič, Jörg R. Hörandel, L. Lu, Jaime Alvarez-Muñiz, Alexandru Gherghel-Lascu, J. Chudoba, M. Schimp, G. Cataldi, Ugo Giaccari, B. Wundheiler, Martin Vacula, Christian Sarmiento-Cano, W. Rodrigues de Carvalho, Virginia Binet, Luis A. Anchordoqui, Massimo Mastrodicasa, F. Sarazin, Lino Miramonti, B. C. Manning, H. Gemmeke, Jon Paul Lundquist, Markus Roth, A. M. Botti, M. Unger, S. Petrera, H. J. Mathes, Marc Weber, Stanislav Michal, Dusan Mandat, V. Scherini, Philipp Papenbreer, Jose Chinellato, Heino Falcke, D. de Oliveira Franco, Samo Stanič, A. Menshikov, Denis Stanca, Lukáš Vaclavek, R.J. Barreira Luz, Petr Travnicek, A. Fuster, I. Lhenry-Yvon, Denise Boncioli, L. Nellen, B. García, Bjarni Pont, B. Keilhauer, C. M. Schäfer, J. Kleinfeller, Ioana Caracas, J. Rodriguez Rojo, J. Vicha, Trent D. Grubb, A. Letessier-Selvon, Serguei Vorobiov, R. López, Karen S. Caballero-Mora, Lorenzo Cazon, C. Pérez Bertolli, N. González, P. Savina, G. Medina-Tanco, Nataliia Borodai, Marcus Niechciol, Fridtjof Feldbusch, Enrique Zas, André Schulz, Juan Manuel Figueira, Roberta Colalillo, S. J. Sciutto, C. J.W.P. Timmermans, C. Morello, L. M. Domingues Mendes, Carlos Escobar, A. G. Mariazzi, Kevin-Druis Merenda, Kai Daumiller, Ralf Ulrich, Martin Erdmann, Fernando Contreras, Juan Miguel Carceller, Xavier Bertou, G. Farrar, Nikolaos Karastathis, Antonio Condorelli, Peter L. Biermann, S. Querchfeld, Olena Tkachenko, Marcos Cerda, Pedro Assis, H. Martinez, J. de Jesús, A. Streich, Gioacchino Alex Anastasi, C. J. Todero Peixoto, A. Insolia, A. Etchegoyen, M. Kleifges, D. Zavrtanik, A.D. Supanitsky, J. Pȩkala, A.L. Garcia Vegas, M. Wirtz, Roger W Clay, Paolo Privitera, Carlo Ventura, F. Salamida, A. Yushkov, Ladislav Chytka, L. Nožka, Lorenzo Caccianiga, P.F. Gómez Vitale, Hernán Asorey, H. Wilczyński, E. M. Santos, Valerio Verzi, Kathrin Bismark, O. Scholten, R. Alves Batista, Bruce R. Dawson, P.O. Mazur, B. L. Lago, E.E. Pereira Martins, Paula Gina Isar, High Energy Astrophys. & Astropart. Phys (API, FNWI), Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Alvarez-Muniz, J., Alves Batista, R., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Araujo Ferreira, P. R., Arteaga Velazquez, J. C., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Barreira Luz, R. J., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Billoir, P., Binet, V., Bismark, K., Bister, T., Biteau, J., Blazek, J., Bleve, C., Bohacova, M., Boncioli, D., Bonifazi, C., Bonneau Arbeletche, L., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Brichetto Orchera, P. G., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Busken, M., Caballero-Mora, K. S., Caccianiga, L., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Chudoba, J., Chytka, L., Clay, R. W., Cobos Cerutti, A. C., Colalillo, R., Coleman, A., Coluccia, M. R., Conceicao, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Correia dos Santos, D., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jesus, J., de Jong, S. J., De Mauro, G., de Mello Neto, J. R. T., De Mitri, I., de Oliveira, J., de Oliveira Franco, D., de Palma, F., de Souza, V., De Vito, E., del Rio, M., Deligny, O., Di Matteo, A., Dobrigkeit, C., D'Olivo, J. C., Domingues Mendes, L. M., dos Anjos, R. C., dos Santos, D., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filipcic, A., Fitoussi, T., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garcia, B., Garcia Vegas, A. L., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., Gomez Berisso, M., Gomez Vitale, P. F., Gongora, J. P., Gonzalez, J. M., Gonzalez, N., Goos, I., Gora, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Hamal, P., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., Horandel, J. R., Horvath, P., Hrabovsky, M., Huege, T., Insolia, A., Isar, P. G., Janecek, P., Johnsen, J. A., Jurysek, J., Kaapa, A., Kampert, K. H., Karastathis, N., Keilhauer, B., Kemp, J., Khakurdikar, A., Kizakke Covilakam, V. V., Klages, H. O., Kleifges, M., Kleinfeller, J., Kopke, M., Kunka, N., Lago, B. L., Lang, R. G., Langner, N., Leigui de Oliveira, M. A., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lo Presti, D., Lopes, L., Lopez, R., Lu, L., Luce, Q., Lundquist, J. P., Machado Payeras, A., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Maris, I. C., Marsella, G., Martello, D., Martinelli, S., Martinez, H., Martinez Bravo, O., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Mostafa, M., Muller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nasr-Esfahani, A., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., Nozka, L., Nucita, A., Nunez, L. A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Pawlowsky, J., Pech, M., Pedreira, F., Pekala, J., Pelayo, R., Pena-Rodriguez, J., Pereira Martins, E. E., Perez Armand, J., Perez Bertolli, C., Perlin, M., Perrone, L., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Rizi, V., Rodrigues de Carvalho, W., Rodriguez Rojo, J., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Sanabria Gomez, J. D., Sanchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schafer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schluter, F., Schmidt, D., Scholten, O., Schovanek, P., Schroder, F. G., Schroder, S., Schulte, J., Schulz, A., Sciutto, S. J., Scornavacche, M., Segreto, A., Sehgal, S., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Smida, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stanic, S., Stasielak, J., Stassi, P., Streich, A., Suarez-Duran, M., Sudholz, T., Suomijarvi, T., Supanitsky, A. D., Szadkowski, Z., Tapia, A., Taricco, C., Timmermans, C., Tkachenko, O., Tobiska, P., Todero Peixoto, C. J., Tome, B., Torres, Z., Travaini, A., Travnicek, P., Trimarelli, C., Tueros, M., Ulrich, R., Unger, M., Vaclavek, L., Vacula, M., Valdes Galicia, J. F., Valore, L., Varela, E., Vasquez-Ramirez, A., Veberic, D., Ventura, C., Vergara Quispe, I. D., Verzi, V., Vicha, J., Vink, J., Vorobiov, S., Wahlberg, H., Watanabe, C., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczynski, H., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Physics, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Alvarez-Muniz J., Alves Batista R., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Araujo Ferreira P.R., Arteaga Velazquez J.C., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Barreira Luz R.J., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Billoir P., Binet V., Bismark K., Bister T., Biteau J., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Bonneau Arbeletche L., Borodai N., Botti A.M., Brack J., Bretz T., Brichetto Orchera P.G., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Busken M., Caballero-Mora K.S., Caccianiga L., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Chudoba J., Chytka L., Clay R.W., Cobos Cerutti A.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., Correia dos Santos D., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., de Almeida R.M., de Jesus J., de Jong S.J., De Mauro G., de Mello Neto J.R.T., De Mitri I., de Oliveira J., de Oliveira Franco D., de Palma F., de Souza V., De Vito E., del Rio M., Deligny O., Di Matteo A., Dobrigkeit C., D'Olivo J.C., Domingues Mendes L.M., dos Anjos R.C., dos Santos D., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fitoussi T., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Garcia Vegas A.L., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Glombitza J., Gobbi F., Gollan F., Golup G., Gomez Berisso M., Gomez Vitale P.F., Gongora J.P., Gonzalez J.M., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Hamal P., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Insolia A., Isar P.G., Janecek P., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Karastathis N., Keilhauer B., Kemp J., Khakurdikar A., Kizakke Covilakam V.V., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Kunka N., Lago B.L., Lang R.G., Langner N., Leigui de Oliveira M.A., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Lo Presti D., Lopes L., Lopez R., Lu L., Luce Q., Lundquist J.P., Machado Payeras A., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinelli S., Martinez H., Martinez Bravo O., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mockler D., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nasr-Esfahani A., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Papenbreer P., Parente G., Parra A., Pawlowsky J., Pech M., Pedreira F., Pekala J., Pelayo R., Pena-Rodriguez J., Pereira Martins E.E., Perez Armand J., Perez Bertolli C., Perlin M., Perrone L., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Rizi V., Rodrigues de Carvalho W., Rodriguez Rojo J., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Sanabria Gomez J.D., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulte J., Schulz A., Sciutto S.J., Scornavacche M., Segreto A., Sehgal S., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Szadkowski Z., Tapia A., Taricco C., Timmermans C., Tkachenko O., Tobiska P., Todero Peixoto C.J., Tome B., Torres Z., Travaini A., Travnicek P., Trimarelli C., Tueros M., Ulrich R., Unger M., Vaclavek L., Vacula M., Valdes Galicia J.F., Valore L., Varela E., Vasquez-Ramirez A., Veberic D., Ventura C., Vergara Quispe I.D., Verzi V., Vicha J., Vink J., Vorobiov S., Wahlberg H., Watanabe C., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., and Zehrer L.
Subjects: Physics and Astronomy (miscellaneous), Astronomy, Astrophysics::High Energy Astrophysical Phenomena, UHE [cosmic radiation], FOS: Physical sciences, Flux, Cosmic ray, Astrophysics, 7. Clean energy, 01 natural sciences, detector: fluorescence, Auger, cosmic rays, surface [detector], Observatory, 0103 physical sciences, calorimeter, ddc:530, High Energy Physics, cosmic radiation: UHE, spectrum [cosmic radiation], 010303 astronomy & astrophysics, Engineering (miscellaneous), Engineering & allied operations, High Energy Astrophysical Phenomena (astro-ph.HE), fluorescence [detector], Pierre Auger Observatory, Physics, astro-ph.HE, cosmic radiation: energy spectrum, cosmic radiation: spectrum, detector: surface, 010308 nuclear & particles physics, Settore FIS/01 - Fisica Sperimentale, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Calorimeter, flux, observatory, spectral, ddc:620, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - High Energy Astrophysical Phenomena, energy spectrum [cosmic radiation], Energy (signal processing), RAIOS CÓSMICOS, ultra-high energy cosmic rays, energy spectrum features
Abstract: The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargüe. We are very grateful to the following agencies and organizations for financial support: Argentina – Comisión Nacional de Energía Atómica; Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT); Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Gobierno de la Provincia de Mendoza; Municipalidad de Malargüe; NDM Holdings and Valle Las Leñas; in gratitude for their continuing cooperation over land access; Australia – the Australian Research Council; Belgium – Fonds de la Recherche Scientifique (FNRS); Research Foundation Flanders (FWO); Brazil – Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Financiadora de Estudos e Projetos (FINEP); Fundação de Amparo à Pesquisa do Estado de Rio de Janeiro (FAPERJ); São Paulo Research Foundation (FAPESP) Grants No. 2019/10151-2, No. 2010/07359-6 and No. 1999/05404-3; Ministério da Ciência, Tecnologia, Inovações e Comunicações (MCTIC); Czech Republic – Grant No. MSMT CR LTT18004, LM2015038, LM2018102, CZ.02.1.01/0.0/0.0/16_013/0001402, CZ.02.1.01/0.0/0.0/18_046/0016010 and CZ.02.1.01/0.0/0.0/17_049/0008422; France – Centre de Calcul IN2P3/CNRS; Centre National de la Recherche Scientifique (CNRS); Conseil Régional Ile-de-France; Département Physique Nucléaire et Corpusculaire (PNC-IN2P3/CNRS); Département Sciences de l’Univers (SDU-INSU/CNRS); Institut Lagrange de Paris (ILP) Grant No. LABEX ANR-10-LABX-63 within the Investissements d’Avenir Programme Grant No. ANR-11-IDEX-0004-02; Germany – Bundesministerium für Bildung und Forschung (BMBF); Deutsche Forschungsgemeinschaft (DFG); Finanzministerium Baden-Württemberg; Helmholtz Alliance for Astroparticle Physics (HAP); Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF); Ministerium für Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen; Ministerium für Wissenschaft, Forschung und Kunst des Landes Baden-Württemberg; Italy – Istituto Nazionale di Fisica Nucleare (INFN); Istituto Nazionale di Astrofisica (INAF); Ministero dell’Istruzione, dell’Universitá e della Ricerca (MIUR); CETEMPS Center of Excellence; Ministero degli Affari Esteri (MAE); México – Consejo Nacional de Ciencia y Tecnología (CONACYT) No. 167733; Universidad Nacional Autónoma de México (UNAM); PAPIIT DGAPA-UNAM; The Netherlands – Ministry of Education, Culture and Science; Netherlands Organisation for Scientific Research (NWO); Dutch national e-infrastructure with the support of SURF Cooperative; Poland -Ministry of Science and Higher Education, grant No. DIR/WK/2018/11; National Science Centre, Grants No. 2013/08/M/ST9/00322, No. 2016/23/B/ST9/01635 and No. HARMONIA 5–2013/10/M/ST9/00062, UMO-2016/22/M/ST9/00198; Portugal – Portuguese national funds and FEDER funds within Programa Operacional Factores de Competitividade through Fundação para a Ciência e a Tecnologia (COMPETE); Romania – Romanian Ministry of Education and Research, the Program Nucleu within MCI (PN19150201/16N/2019 and PN19060102) and project PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018 within PNCDI III; Slovenia – Slovenian Research Agency, grants P1-0031, P1-0385, I0-0033, N1-0111; Spain – Ministerio de Economía, Industria y Competitividad (FPA2017-85114-P and PID2019-104676GB-C32), Xunta de Galicia (ED431C 2017/07), Junta de Andalucía (SOMM17/6104/UGR, P18-FR-4314) Feder Funds, RENATA Red Nacional Temática de Astropartículas (FPA2015-68783-REDT) and María de Maeztu Unit of Excellence (MDM-2016-0692); USA – Department of Energy, Contracts No. DE-AC02-07CH11359, No. DE-FR02-04ER41300, No. DE-FG02-99ER41107 and No. DE-SC0011689; National Science Foundation, Grant No. 0450696; The Grainger Foundation; Marie Curie-IRSES/EPLANET; European Particle Physics Latin American Network; University of Delaware Research Foundation (UDRF) – 2019; and UNESCO., We present a measurement of the cosmic-ray spectrum above 100 PeV using the part of the surface detector of the Pierre Auger Observatory that has a spacing of 750 m. An inflection of the spectrum is observed, confirming the presence of the so-called second-knee feature. The spectrum is then combined with that of the 1500 m array to produce a single measurement of the flux, linking this spectral feature with the three additional breaks at the highest energies. The combined spectrum, with an energy scale set calorimetrically via fluorescence telescopes and using a single detector type, results in the most statistically and systematically precise measurement of spectral breaks yet obtained. These measurements are critical for furthering our understanding of the highest energy cosmic rays., ANR-10-LABX-63 ANR-11-IDEX-0004-02, Belgium – Fonds de la Recherche Scientifique, Comisión Nacional de Energía Atómica, Département Physique Nucléaire et Corpusculaire PNC-IN2P3/CNRS, Département Sciences de l’Univers, Feder Funds, María de Maeztu Unit of Excellence MDM-2016-0692, Ministero degli Affari Esteri, RENATA Red Nacional Temática de Astropartículas FPA2015-68783-REDT, SURF, National Science Foundation 0450696, U.S. Department of Energy DE-AC02-07CH11359, DE-FG02-99ER41107, DE-FR02-04ER41300, DE-SC0011689, University of Delaware Research Foundation, United Nations Educational, Scientific and Cultural Organization, Australian Research Council, Helmholtz-Gemeinschaft, Deutsche Forschungsgemeinschaft, Fundação de Amparo à Pesquisa do Estado de São Paulo 1999/05404-3, 2010/07359-6, 2019/10151-2, Fundação para a Ciência e a Tecnologia, Bundesministerium für Bildung und Forschung, Fonds De La Recherche Scientifique - FNRS, Consejo Nacional de Investigaciones Científicas y Técnicas, Agencia Nacional de Promoción Científica y Tecnológica, Fonds Wetenschappelijk Onderzoek, Consejo Nacional de Ciencia y Tecnología 167733, Ministerie van Onderwijs, Cultuur en Wetenschap, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Ministero dell’Istruzione, dell’Università e della Ricerca, Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Conseil Régional, Île-de-France, Instituto Nazionale di Fisica Nucleare, Narodowe Centrum Nauki 2013/08/M/ST9/00322, 2013/10/M/ST9/00062, 2016/23/B/ST9/01635, UMO-2016/22/M/ST9/00198, Javna Agencija za Raziskovalno Dejavnost RS I0-0033, N1-0111, P1-0031, P1-0385, Ministerstwo Edukacji i Nauki DIR/WK/2018/11, Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro, Centre National de la Recherche Scientifique, Financiadora de Estudos e Projetos, Istituto Nazionale di Astrofisica, Universidad Nacional Autónoma de México, Ministry of Education and Research, Romania PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018, PN19060102, PN19150201/16N/2019, European Regional Development Fund, Ministerium für Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen, Ministerio de Economía, Industria y Competitividad, Gobierno de España FPA2017-85114-P, PID2019-104676GB-C32, Xunta de Galicia ED431C 2017/07, Junta de Andalucía P18-FR-4314, Ministério da Ciência, Tecnologia, Inovações e Comunicações CZ.02.1.01/0.0/0.0/16_013/0001402, CZ.02.1.01/0.0/0.0/17_049/0008422, CZ.02.1.01/0.0/0.0/18_046/0016010, LM2015038, LM2018102, MSMT CR LTT18004, Programa Operacional Temático Factores de Competitividade, Institut Lagrange de Paris
Published: 2021
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36. Ultrahigh Energy Neutrinos at the Pierre Auger Observatory

Author: P. Abreu, M. Aglietta, M. Ahlers, E. J. Ahn, I. F. M. Albuquerque, D. Allard, I. Allekotte, J. Allen, P. Allison, A. Almela, J. Alvarez Castillo, J. Alvarez-Muñiz, R. Alves Batista, M. Ambrosio, A. Aminaei, L. Anchordoqui, S. Andringa, T. Antičić, C. Aramo, E. Arganda, F. Arqueros, H. Asorey, P. Assis, J. Aublin, M. Ave, M. Avenier, G. Avila, T. Bäcker, A. M. Badescu, M. Balzer, K. B. Barber, A. F. Barbosa, R. Bardenet, S. L. C. Barroso, B. Baughman, J. Bäuml, J. J. Beatty, B. R. Becker, K. H. Becker, A. Bellétoile, J. A. Bellido, S. BenZvi, C. Berat, X. Bertou, P. L. Biermann, P. Billoir, F. Blanco, M. Blanco, C. Bleve, H. Blümer, M. Boháčová, D. Boncioli, C. Bonifazi, R. Bonino, N. Borodai, J. Brack, I. Brancus, P. Brogueira, W. C. Brown, R. Bruijn, P. Buchholz, A. Bueno, R. E. Burton, K. S. Caballero-Mora, B. Caccianiga, L. Caramete, R. Caruso, A. Castellina, O. Catalano, G. Cataldi, L. Cazon, R. Cester, J. Chauvin, S. H. Cheng, A. Chiavassa, J. A. Chinellato, J. Chirinos Diaz, J. Chudoba, M. Cilmo, R. W. Clay, M. R. Coluccia, R. Conceição, F. Contreras, H. Cook, M. J. Cooper, J. Coppens, A. Cordier, S. Coutu, C. E. Covault, A. Creusot, A. Criss, J. Cronin, A. Curutiu, S. Dagoret-Campagne, R. Dallier, B. Daniel, S. Dasso, K. Daumiller, B. R. Dawson, R. M. de Almeida, M. De Domenico, C. De Donato, S. J. de Jong, G. De La Vega, W. J. M. de Mello Junior, J. R. T. de Mello Neto, I. De Mitri, V. de Souza, K. D. de Vries, L. del Peral, M. del Río, O. Deligny, H. Dembinski, N. Dhital, C. Di Giulio, M. L. Díaz Castro, P. N. Diep, F. Diogo, C. Dobrigkeit, W. Docters, J. C. D'Olivo, P. N. Dong, A. Dorofeev, J. C. dos Anjos, M. T. Dova, D. D'Urso, I. Dutan, J. Ebr, R. Engel, M. Erdmann, C. O. Escobar, J. Espadanal, A. Etchegoyen, P. Facal San Luis, H. Falcke, G. Farrar, A. C. Fauth, N. Fazzini, A. P. Ferguson, B. Fick, A. Filevich, A. Filipčič, S. Fliescher, C. E. Fracchiolla, E. D. Fraenkel, O. Fratu, U. Fröhlich, B. Fuchs, R. Gaior, R. F. Gamarra, S. Gambetta, B. García, S. T. Garcia Roca, D. Garcia-Gamez, D. Garcia-Pinto, A. Gascon Bravo, H. Gemmeke, P. L. Ghia, M. Giller, J. Gitto, H. Glass, M. S. Gold, G. Golup, F. Gomez Albarracin, M. Gómez Berisso, P. F. Gómez Vitale, P. Gonçalves, J. G. Gonzalez, B. Gookin, A. Gorgi, P. Gouffon, E. Grashorn, S. Grebe, N. Griffith, M. Grigat, A. F. Grillo, Y. Guardincerri, F. Guarino, G. P. Guedes, P. Hansen, D. Harari, T. A. Harrison, J. L. Harton, A. Haungs, T. Hebbeker, D. Heck, A. E. Herve, C. Hojvat, N. Hollon, V. C. Holmes, P. Homola, J. R. Hörandel, P. Horvath, M. Hrabovský, D. Huber, T. Huege, A. Insolia, F. Ionita, A. Italiano, C. Jarne, S. Jiraskova, M. Josebachuili, K. Kadija, K. H. Kampert, P. Karhan, P. Kasper, I. Katkov, B. Kégl, B. Keilhauer, A. Keivani, J. L. Kelley, E. Kemp, R. M. Kieckhafer, H. O. Klages, M. Kleifges, J. Kleinfeller, J. Knapp, D.-H. Koang, K. Kotera, N. Krohm, O. Krömer, D. Kruppke-Hansen, F. Kuehn, D. Kuempel, J. K. Kulbartz, N. Kunka, G. La Rosa, C. Lachaud, D. LaHurd, L. Latronico, R. Lauer, P. Lautridou, S. Le Coz, M. S. A. B. Leão, D. Lebrun, P. Lebrun, M. A. Leigui de Oliveira, A. Letessier-Selvon, I. Lhenry-Yvon, K. Link, R. López, A. Lopez Agüera, K. Louedec, J. Lozano Bahilo, L. Lu, A. Lucero, M. Ludwig, H. Lyberis, M. C. Maccarone, C. Macolino, S. Maldera, D. Mandat, P. Mantsch, A. G. Mariazzi, J. Marin, V. Marin, I. C. Maris, H. R. Marquez Falcon, G. Marsella, D. Martello, L. Martin, H. Martinez, O. Martínez Bravo, H. J. Mathes, J. Matthews, J. A. J. Matthews, G. Matthiae, D. Maurel, D. Maurizio, P. O. Mazur, G. Medina-Tanco, M. Melissas, D. Melo, E. Menichetti, A. Menshikov, P. Mertsch, C. Meurer, S. Mićanović, M. I. Micheletti, I. A. Minaya, L. Miramonti, L. Molina-Bueno, S. Mollerach, M. Monasor, D. Monnier Ragaigne, F. Montanet, B. Morales, C. Morello, E. Moreno, J. C. Moreno, M. Mostafá, C. A. Moura, M. A. Muller, G. Müller, M. Münchmeyer, R. Mussa, G. Navarra, J. L. Navarro, S. Navas, P. Necesal, L. Nellen, A. Nelles, J. Neuser, P. T. Nhung, M. Niechciol, L. Niemietz, N. Nierstenhoefer, D. Nitz, D. Nosek, L. Nožka, J. Oehlschläger, A. Olinto, M. Ortiz, N. Pacheco, D. Pakk Selmi-Dei, M. Palatka, J. Pallotta, N. Palmieri, G. Parente, E. Parizot, A. Parra, S. Pastor, T. Paul, M. Pech, J. Pękala, R. Pelayo, I. M. Pepe, L. Perrone, R. Pesce, E. Petermann, S. Petrera, A. Petrolini, Y. Petrov, C. Pfendner, R. Piegaia, T. Pierog, P. Pieroni, M. Pimenta, V. Pirronello, M. Platino, M. Plum, V. H. Ponce, M. Pontz, A. Porcelli, P. Privitera, M. Prouza, E. J. Quel, S. Querchfeld, J. Rautenberg, O. Ravel, D. Ravignani, B. Revenu, J. Ridky, S. Riggi, M. Risse, P. Ristori, H. Rivera, V. Rizi, J. Roberts, W. Rodrigues de Carvalho, G. Rodriguez, I. Rodriguez Cabo, J. Rodriguez Martino, J. Rodriguez Rojo, M. D. Rodríguez-Frías, G. Ros, J. Rosado, T. Rossler, M. Roth, B. Rouillé-d'Orfeuil, E. Roulet, A. C. Rovero, C. Rühle, A. Saftoiu, F. Salamida, H. Salazar, F. Salesa Greus, G. Salina, F. Sánchez, C. E. Santo, E. Santos, E. M. Santos, F. Sarazin, B. Sarkar, S. Sarkar, R. Sato, N. Scharf, V. Scherini, H. Schieler, P. Schiffer, A. Schmidt, O. Scholten, H. Schoorlemmer, J. Schovancova, P. Schovánek, F. Schröder, S. Schulte, D. Schuster, S. J. Sciutto, M. Scuderi, A. Segreto, M. Settimo, A. Shadkam, R. C. Shellard, I. Sidelnik, G. Sigl, O. Sima, A. Śmiałkowski, R. Šmída, G. R. Snow, P. Sommers, J. Sorokin, H. Spinka, R. Squartini, Y. N. Srivastava, S. Stanic, J. Stapleton, J. Stasielak, M. Stephan, A. Stutz, F. Suarez, T. Suomijärvi, A. D. Supanitsky, T. Šuša, M. S. Sutherland, J. Swain, Z. Szadkowski, M. Szuba, A. Tapia, M. Tartare, O. Taşcău, R. Tcaciuc, N. T. Thao, D. Thomas, J. Tiffenberg, C. Timmermans, W. Tkaczyk, C. J. Todero Peixoto, G. Toma, L. Tomankova, B. Tomé, A. Tonachini, P. Travnicek, D. B. Tridapalli, G. Tristram, E. Trovato, M. Tueros, R. Ulrich, M. Unger, M. Urban, J. F. Valdés Galicia, I. Valiño, L. Valore, A. M. van den Berg, E. Varela, B. Vargas Cárdenas, J. R. Vázquez, R. A. Vázquez, D. Veberič, V. Verzi, J. Vicha, M. Videla, L. Villaseñor, H. Wahlberg, P. Wahrlich, O. Wainberg, D. Walz, A. A. Watson, M. Weber, K. Weidenhaupt, A. Weindl, F. Werner, S. Westerhoff, B. J. Whelan, A. Widom, G. Wieczorek, L. Wiencke, B. Wilczyñska, H. Wilczyñski, M. Will, C. Williams, T. Winchen, M. Wommer, B. Wundheiler, T. Yamamoto, T. Yapici, P. Younk, G. Yuan, A. Yushkov, B. Zamorano Garcia, E. Zas, D. Zavrtanik, M. Zavrtanik, I. Zaw, A. Zepeda, Y. Zhu, M. Zimbres Silva, and M. Ziolkowski
Subjects: Physics, QC1-999
Abstract: The observation of ultrahigh energy neutrinos (UHEνs) has become a priority in experimental astroparticle physics. UHEνs can be detected with a variety of techniques. In particular, neutrinos can interact in the atmosphere (downward-going ν) or in the Earth crust (Earth-skimming ν), producing air showers that can be observed with arrays of detectors at the ground. With the surface detector array of the Pierre Auger Observatory we can detect these types of cascades. The distinguishing signature for neutrino events is the presence of very inclined showers produced close to the ground (i.e., after having traversed a large amount of atmosphere). In this work we review the procedure and criteria established to search for UHEνs in the data collected with the ground array of the Pierre Auger Observatory. This includes Earth-skimming as well as downward-going neutrinos. No neutrino candidates have been found, which allows us to place competitive limits to the diffuse flux of UHEνs in the EeV range and above.
Published: 2013
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37. Studies on the response of a water-Cherenkov detector of the Pierre Auger Observatory to atmospheric muons using an RPC hodoscope

Author: A. Zepeda, Pedro Assis, H. Martinez, A. Etchegoyen, Dariusz Gora, Bjarni Pont, Alan Coleman, B. Tome, Peter Hansen, F. Guarino, John Matthews, Peter Buchholz, S. J. Saffi, D. Lo Presti, S. J. De Jong, B. García, R. López, Karen S. Caballero-Mora, G. Cataldi, V. Scherini, Martin Erdmann, G. Matthiae, J. de Jesús, Frank G. Schröder, Antonio Bueno, A. Streich, Gioacchino Alex Anastasi, M. Wirtz, Thomas Hebbeker, Sergio Dasso, Tristan Sudholz, P. Abreu, D. Ravignani, Roger W Clay, Marco Aglietta, Marko Zavrtanik, E. Santos, Jarryd A. Day, G. De Mauro, F. Riehn, Marina Scornavacche, Alexandra Saftoiu, Tiina Suomijarvi, F. Pedreira, Raul Sarmento, Felix Schlüter, Martin Vacula, J. Rautenberg, Q. Luce, Gualberto Avila, Martín Miguel Freire, Fabian Gobbi, Jiri Blazek, Lorenzo Caccianiga, Denis Stanca, I. Lhenry-Yvon, Miroslav Pech, M. Pothast, Markus Roth, D. Nitz, A.C. Cobos Cerutti, J. R. T. de Mello Neto, Paul Sommers, A. Blanco, Marcus Niechciol, B. Vargas Cárdenas, J. Pallotta, L. R. Wiencke, G. Marsella, F. Sánchez, Heino Falcke, Maximilian Stadelmaier, Jesús Peña-Rodríguez, Carla Bleve, Rodrigo Guedes Lang, B. Andrada, P. Horvath, Isabel Goos, D. Heck, John Farmer, Jonathan Biteau, A. Insolia, M. Kleifges, A.D. Supanitsky, J. Pȩkala, Antonio Condorelli, Christine Peters, Maria-Teresa Dova, M. R. Hampel, Valerio Verzi, J. Vicha, A. M. Botti, Niraj Dhital, P. Tobiska, Sofia Andringa, Julian Kemp, Luis Villaseñor, R. Conceição, A. Weindl, S. Querchfeld, Miroslav Hrabovský, T. Huege, M. del Río, Nicolás González, Jeffrey Brack, A.L. Garcia Vegas, M. Schimp, Marvin Gottowik, Maria Rita Coluccia, Maximilian Reininghaus, M.A. Leigui de Oliveira, Olaf Scholten, Gaia Silli, Humberto Ibarguen Salazar, D. Mockler, L. Bonneau Arbeletche, A. Di Matteo, Eric Mayotte, A. Haungs, A. Filipčič, G. Torralba Elipe, I. Valiño, Olena Tkachenko, M. I. Micheletti, B. C. Manning, P. Ruehl, Ralf Ulrich, M. Gómez Berisso, L. Valore, B. Wundheiler, L. Lopes, Roberto Mussa, J. Šupík, Carlo Ventura, F. Sarazin, Jaime Alvarez-Muñiz, Alexandru Gherghel-Lascu, David Schmidt, S. Schröder, Italo Epicoco, S. Petrera, Marc Weber, Charles Timmermans, Hernán Asorey, R.C. dos Anjos, R.C. Shellard, Adriana Vásquez-Ramírez, J. F. Valdés Galicia, M. Palatka, Mario Buscemi, Jörg R. Hörandel, P. Mantsch, J. Hulsman, Julien Manshanden, Dusan Mandat, Lukáš Vaclavek, H. J. Mathes, I. De Mitri, Stanislav Michal, G. Mancarella, François Montanet, G. Golup, B. Keilhauer, Sullivan Marafico, Vladimir Lenok, L. Perrone, Francesco Fenu, Ladislav Chytka, Gaetano Salina, Hernan Wahlberg, Miguel Mostafa, Violet M. Harvey, Andres Travaini, E. Varela, J.D. Sanabria Gomez, D. Harari, L. Nožka, J. Chudoba, S. J. Sciutto, J. Rodriguez Rojo, Fridtjof Feldbusch, Marcel Köpke, M. Platino, C. M. Schäfer, Maria Giller, R. Squartini, Alfred Müller, Marco Giammarchi, Juan Miguel Carceller, P. Savina, Eleonora Guido, W. Rodrigues de Carvalho, Flavia Gesualdi, Alex Kääpä, Enrique Zas, A. Parra, Alena Bakalova, J. Stasielak, Massimo Mastrodicasa, R. M. de Almeida, Teresa Bister, E. De Vito, R.J. Barreira Luz, Alina Mihaela Badescu, Dalibor Nosek, Fernando Contreras, Brian Fick, Samo Stanič, Giovanni Consolati, Cristina Galea, P. Ristori, M. Trini, K. Choi, Martina Bohacova, G. Medina-Tanco, A. Tapia, Octavian Sima, A. Cancio, H. Gemmeke, R. Halliday, Nataliia Borodai, M. Unger, M. L. Díaz Castro, G. Farrar, M.P. Panetta, Petr Schovanek, Juan Pablo Gongora, Christian Sarmiento-Cano, Francesca Zuccarello, Luis A. Anchordoqui, I. Allekotte, M. J. Roncoroni, Valerio Pirronello, H. Schieler, Q. Dorosti, Philipp Papenbreer, C. J. Todero Peixoto, Karl-Heinz Kampert, L. Calcagni, Kai Daumiller, Antonella Castellina, A. C. Fauth, F. Salamida, A. Yushkov, A. Fuster, A. Puyleart, L. Nellen, Zbigniew Szadkowski, Michael Prouza, Corinne Berat, Carla Bonifazi, Rodrigo Pelayo, Denise Boncioli, D. Melo, Stijn Buitink, M. Risse, V. Novotny, Trent D. Grubb, A. Taboada, Jose A. Bellido, C. Morello, Rossella Caruso, Fabio Convenga, A. Lucero, Fernando Catalani, Caterina Trimarelli, M. A. Muller, Juan Manuel Figueira, H. Wilczyński, Roberta Colalillo, P.F. Gómez Vitale, I.D. Vergara Quispe, A. G. Mariazzi, A. Aab, R. Sato, Peter L. Biermann, G. P. Guedes, Toshihiro Fujii, Paolo Privitera, Jakub Juryšek, G. Kukec Mezek, Alessio Gorgi, M. E. Bertaina, A. Menshikov, P. Travnicek, J. Debatin, Orazio Zapparrata, Carola Dobrigkeit, M. Muzio, Steffen Hahn, Juan Carlos D'Olivo, T. Pierog, Esteban Roulet, Justin M. Albury, Alan Watson, M. Perlin, Mihai Niculescu-Oglinzanu, J. Alvarez Castillo, Matias Tueros, Luis A. Nunez, Piera Luisa Ghia, Jeffrey A. Johnsen, B. L. Lago, Günter Sigl, P. Stassi, Radomir Smida, A. Machado Payeras, Paula Gina Isar, Fernando Gollan, E. M. Santos, R. Alves Batista, Bruce R. Dawson, P.O. Mazur, V. de Souza, K.-H. Becker, M. Pimenta, P.R. Araújo Ferreira, Tobias Winchen, Florian Lukas Briechle, Max Malacari, J. Perez Armand, Claudio Galelli, Jose Chinellato, Ioana Caracas, A. Letessier-Selvon, Lorenzo Cazon, A. van Vliet, David Wittkowski, Danielle LaHurd, Olivier Deligny, Tomáš Fodran, R. Lorek, M. Urban, W. M. Namasaka, A. C. Rovero, Ugo Giaccari, Alexandru Balaceanu, M. Suárez-Durán, Carla Aramo, Julien Souchard, D. Martello, M. Ziolkowski, O. Martínez Bravo, K. Mulrey, Silvia Mollerach, N. Fazzini, Ioana Codrina Maris, Jonas Glombitza, F. C. T. Barbato, D. Zavrtanik, Serguei Vorobiov, G. C. Hill, Jorge F. Soriano, Ralph Engel, Marcos Cerda, J. Ridky, Darko Veberič, J. Kleinfeller, Carlos Escobar, Kevin-Druis Merenda, M. Schimassek, C. Hojvat, Jan Ebr, Jacco Vink, H.O. Klages, A. A. Nucita, G. Parente, Fabrizia Canfora, L. Zehrer, J. de Oliveira, Alejandro Almela, Thomas Bretz, V. Rizi, Corbin Covault, Lino Miramonti, D. de Oliveira Franco, Xavier Bertou, Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Castillo, J. Alvarez, Alvarez-Muñiz, J., Batista, R. Alve, Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Ferreira, P. R. Araújo, Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Luz, R. J. Barreira, Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Bister, T., Biteau, J., Blanco, A., Blazek, J., Bleve, C., Boháčová, M., Boncioli, D., Bonifazi, C., Arbeletche, L. Bonneau, Borodai, N., Botti, A. M., Brack, J., Bretz, T., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Calcagni, L., Cancio, A., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cerutti, A. C. Cobo, Colalillo, R., Coleman, A., Coluccia, M. R., Conceição, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jesús, J., de Jong, S. J., Mauro, G. De, Neto, J. R. T. de Mello, Mitri, I. De, de Oliveira, J., Franco, D. de Oliveira, de Souza, V., Vito, E. De, Debatin, J., Río, M. del, Deligny, O., Dhital, N., Matteo, A. Di, Castro, M. L. Díaz, Dobrigkeit, C., D'Olivo, J. C., Dorosti, Q., Anjos, R. C. do, Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filipčič, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., García, B., Vegas, A. L. Garcia, Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., Berisso, M. Gómez, Vitale, P. F. Gómez, Gongora, J. P., González, N., Goos, I., Góra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., Hörandel, J. R., Horvath, P., Hrabovský, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Johnsen, J. A., Jurysek, J., Kääpä, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Köpke, M., Mezek, G. Kukec, Lago, B. L., Lahurd, D., Lang, R. G., de Oliveira, M. A. Leigui, Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Presti, D. Lo, Lopes, L., López, R., Lorek, R., Luce, Q., Lucero, A., Payeras, A. Machado, Malacari, M., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Mariş, I. C., Marsella, G., Martello, D., Martinez, H., Bravo, O. Martínez, Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Mostafá, M., Müller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., Nožka, L., Nucita, A, Núñez, L. A., Palatka, M., Pallotta, J., Panetta, M. P., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., Pȩkala, J., Pelayo, R., Peña-Rodriguez, J., Armand, J. Perez, Perlin, M., Perrone, L., Peters, C., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., de Carvalho, W. Rodrigue, Rojo, J. Rodriguez, Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Gomez, J. D. Sanabria, Sánchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schäfer, C. M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schlüter, F., Schmidt, D., Scholten, O., Schovánek, P., Schröder, F. G., Schröder, S., Sciutto, S. J., Scornavacche, M., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Šmída, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stanič, S., Stasielak, J., Stassi, P., Streich, A., Suárez-Durán, M., Sudholz, T., Suomijärvi, T., Supanitsky, A. D., Šupík, J., Szadkowski, Z., Taboada, A., Tapia, A., Timmermans, C., Tkachenko, O., Tobiska, P., Peixoto, C. J. Todero, Tomé, B., Elipe, G. Torralba, Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Urban, M., Vaclavek, L., Vacula, M., Galicia, J. F. Valdé, Valiño, I., Valore, L., Vliet, A. van, Varela, E., Cárdenas, B. Varga, Vásquez-Ramírez, A., Veberič, D., Ventura, C., Quispe, I. D. Vergara, Verzi, V., Vicha, J., Villaseñor, L., Vink, J., Vorobiov, S., Wahlberg, H., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczyński, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Ziolkowski, M., Zuccarello, F., Castillo, J. A., Alvarez-Muniz, J., Batista, R. A., Ferreira, P. R. A., Luz, R. J. B., Bohacova, M., Arbeletche, L. B., Cerutti, A. C. C., Conceicao, R., De Almeida, R. M., De Jesus, J., De Jong, S. J., Mauro, G. D., Neto, J. R. T. D. M., De Mitri, I., De Oliveira, J., De Oliveira Franco, D., De Souza, V., De Vito, E., Del Rio, M., Di Matteo, A., Castro, M. L. D., Dos Anjos, R. C., Filipcic, A., Garcia, B., Vegas, A. L. G., Berisso, M. G., Vitale, P. F. G., Gonzalez, N., Gora, D., Horandel, J. R., Hrabovsky, M., Kaapa, A., Kopke, M., Mezek, G. K., De Oliveira, M. A. L., Presti, D. L., Lopez, R., Payeras, A. M., Maris, I. C., Bravo, O. M., Mostafa, M., Muller, A. L., Nozka, L., Nucita, A., Nunez, L. A., Pkala, J., Pena-Rodriguez, J., Armand, J. P., De Carvalho, W. R., Rojo, J. R., Gomez, J. D. S., Sanchez, F., Schafer, C. M., Schluter, F., Schovanek, P., Schroder, F. G., Schroder, S., Smida, R., Stanic, S., Suarez-Duran, M., Suomijarvi, T., Supik, J., Peixoto, C. J. T., Tome, B., Elipe, G. T., Galicia, J. F. V., Valino, I., Vliet, A. V., Cardenas, B. V., Vasquez-Ramirez, A., Veberic, D., Quispe, I. D. V., Villasenor, L., Wilczynski, H., High Energy Astrophys. & Astropart. Phys (API, FNWI), Research unit Astroparticle Physics, Physics, Elementary Particle Physics, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Pierre Auger, Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Castillo J.A., Alvarez-Muniz J., Batista R.A., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Ferreira P.R.A., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Luz R.J.B., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Bister T., Biteau J., Blanco A., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Arbeletche L.B., Borodai N., Botti A.M., Brack J., Bretz T., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Calcagni L., Cancio A., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cerutti A.C.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., De Almeida R.M., De Jesus J., De Jong S.J., Mauro G.D., Neto J.R.T.D.M., De Mitri I., De Oliveira J., De Oliveira Franco D., De Souza V., De Vito E., Debatin J., Del Rio M., Deligny O., Dhital N., Di Matteo A., Castro M.L.D., Dobrigkeit C., D'Olivo J.C., Dorosti Q., Dos Anjos R.C., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Vegas A.L.G., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Berisso M.G., Vitale P.F.G., Gongora J.P., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Halliday R., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Mezek G.K., Lago B.L., Lahurd D., Lang R.G., De Oliveira M.A.L., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Presti D.L., Lopes L., Lopez R., Lorek R., Luce Q., Lucero A., Payeras A.M., Malacari M., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Bravo O.M., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mockler D., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nunez L.A., Palatka M., Pallotta J., Panetta M.P., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pkala J., Pelayo R., Pena-Rodriguez J., Armand J.P., Perlin M., Perrone L., Peters C., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Ristori P., Rizi V., De Carvalho W.R., Rojo J.R., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Gomez J.D.S., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C.M., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Sciutto S.J., Scornavacche M., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Timmermans C., Tkachenko O., Tobiska P., Peixoto C.J.T., Tome B., Elipe G.T., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Urban M., Vaclavek L., Vacula M., Galicia J.F.V., Valino I., Valore L., Vliet A.V., Varela E., Cardenas B.V., Vasquez-Ramirez A., Veberic D., Ventura C., Quispe I.D.V., Verzi V., Vicha J., Villasenor L., Vink J., Vorobiov S., Wahlberg H., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., Zepeda A., Ziolkowski M., and Zuccarello F.
Subjects: Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Astronomy, 01 natural sciences, 030218 nuclear medicine & medical imaging, law.invention, 0302 clinical medicine, law, Observatory, atmosphere [muon], Instrumentation, physics.ins-det, Mathematical Physics, Large detector-systems performance, Physics, Instrumentation et méthodes en physique, Performance of high energy physics detectors, Data reduction methods, Large detector systems for particle and astroparticle physics, Detector, Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, resistive plate chamber, Instrumentation and Detectors (physics.ins-det), trajectory [muon], Auger, observatory, muon: atmosphere, Astrophysics - Instrumentation and Methods for Astrophysics, atmosphere [showers], Cherenkov detector, air, Cherenkov counter: water, Astrophysics::High Energy Astrophysical Phenomena, UHE [cosmic radiation], FOS: Physical sciences, Cosmic ray, muon: trajectory, Nuclear physics, 03 medical and health sciences, Hodoscope, Data reduction method, 0103 physical sciences, Calibration, High Energy Physics, ddc:610, cosmic radiation: UHE, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation and Methods for Astrophysics (astro-ph.IM), Zenith, Ciencias Exactas, Pierre Auger Observatory, showers: atmosphere, 010308 nuclear & particles physics, water [Cherenkov counter], hodoscope, Física, Autres mathématiques, stability, calibration, Data reduction methods, Large detector systems for particle and astroparticle physics, Large detector-systems performance, Performance of High Energy Physics Detectors, Experimental High Energy Physics, Large detector systems for particle and astroparticle physic, High Energy Physics::Experiment, RAIOS CÓSMICOS, astro-ph.IM
Abstract: Extensive air showers, originating from ultra-high energy cosmic rays, have been successfully measured through the use of arrays of water-Cherenkov detectors (WCDs). Sophisticated analyses exploiting WCD data have made it possible to demonstrate that shower simulations, based on different hadronic-interaction models, cannot reproduce the observed number of muons at the ground. The accurate knowledge of the WCD response to muons is paramount in establishing the exact level of this discrepancy. In this work, we report on a study of the response of a WCD of the Pierre Auger Observatory to atmospheric muons performed with a hodoscope made of resistive plate chambers (RPCs), enabling us to select and reconstruct nearly 600 thousand single muon trajectories with zenith angles ranging from 0º to 55º. Comparison of distributions of key observables between the hodoscope data and the predictions of dedicated simulations allows us to demonstrate the accuracy of the latter at a level of 2%. As the WCD calibration is based on its response to atmospheric muons, the hodoscope data are also exploited to show the long-term stability of the procedure., La lista completa de autores que integran el documento puede consultarse en el archivo., Facultad de Ciencias Exactas, Instituto de Física La Plata
Published: 2020
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38. On the performances of a particle tracking detector based on triangular scintillator bars read out by silicon photomultipliers

Author: A. Surdo, C. Pinto, N. Mauri, M. Tenti, Paolo Bernardini, G. Sirri, L. Pasqualini, G. Marsella, L. Patrizii, I. D'Antone, L. Degli Esposti, I. Lax, M. Pozzato, G. Mandrioli, Gaetano Fiore, F. Cindolo, S. Cecchini, Bernardini, P., Cecchini, S., Cindolo, F., D'Antone, I., Degli Esposti, L., Fiore, G., Lax, I., Mandrioli, G., Marsella, G., Mauri, N., Pasqualini, L., Patrizii, L., Pinto, C., Pozzato, M., Sirri, G., Surdo, A., Tenti, M., D’Antone, I., Bernardini P., Cecchini S., Cindolo F., D'Antone I., Degli Esposti L., Fiore G., Lax I., Mandrioli G., Marsella G., Mauri N., Pasqualini L., Patrizii L., Pinto C., Pozzato M., Sirri G., Surdo A., and Tenti M.
Subjects: Nuclear and High Energy Physics, Scintillators, SiPM, Particle tracking device, Position resolution, Particle tracking device, Physics::Instrumentation and Detectors, SiPM, Scintillator, Tracking (particle physics), 01 natural sciences, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, 0302 clinical medicine, Optics, Silicon photomultiplier, Particle tracking device, Position resolution, Scintillators, SiPM, 0103 physical sciences, Instrumentation, Physics, Range (particle radiation), Spectrometer, 010308 nuclear & particles physics, business.industry, Settore FIS/01 - Fisica Sperimentale, Detector, Charged particle, Scintillators, Position resolution, High Energy Physics::Experiment, Neutrino, business
Abstract: A tracking detector composed of scintillator bars with a triangular cross-section read out by silicon photomultipliers in analog mode was developed. The tracker was designed to instrument a low density spectrometer for neutrino experiments. The performance of the system has been studied by exposing it to charged particle beams at the CERN-PS. The tests have shown that the position resolution in reconstructing charged particles’ tracks is within 2.2 mm over the momentum range 0.5–10 GeV/c.
Published: 2020

39. Reconstruction of events recorded with the surface detector of the Pierre Auger Observatory

Author: Roberto Mussa, M. I. Micheletti, B. Tome, François Montanet, M. Schimassek, Frank G. Schröder, Peter Hansen, F. Guarino, John Matthews, Ioana Codrina Maris, Peter Buchholz, C. Hojvat, G. C. Hill, Jorge F. Soriano, Vladimir Lenok, Ralph Engel, L. Perrone, Jan Ebr, J. Ridky, Denis Stanca, A. Aab, Brian Fick, Eleonora Guido, Luis Villaseñor, John Farmer, Marco Aglietta, Markus Roth, Lorenzo Caccianiga, Julien Manshanden, Andres Travaini, E. Varela, H. J. Mathes, Maximilian Reininghaus, J.D. Sanabria Gomez, L. Nellen, B. Vargas Cárdenas, Maria-Teresa Dova, Jacco Vink, H.O. Klages, P. Savina, W. Rodrigues de Carvalho, Bjarni Pont, Stanislav Michal, C. Morello, Miroslav Pech, T. Suomijärvi, J. Pallotta, Alena Bakalova, M. Pothast, Pavel Horvath, B. L. Lago, Ralf Ulrich, A. M. Botti, Dusan Mandat, M. L. Díaz Castro, Teresa Bister, Valerio Verzi, M. R. Hampel, Valerio Pirronello, Niraj Dhital, J. Rodriguez Rojo, I. Valiño, Marvin Gottowik, Peter L. Biermann, Jeffrey A. Johnsen, A. A. Nucita, B. Andrada, Fridtjof Feldbusch, L. Calcagni, C. J. Todero Peixoto, Carla Bleve, Rodrigo Guedes Lang, Eric Mayotte, M. Gómez Berisso, G. Farrar, R. C. Shellard, Francesca Zuccarello, K. Choi, Matias Tueros, Sofia Andringa, Paula Gina Isar, F. Riehn, Marina Scornavacche, Paolo Privitera, Kai Daumiller, Günter Sigl, Paul Sommers, A. Blanco, L. Nožka, Enrique Zas, Fernando Contreras, Fred Sarazin, G. De Mauro, Mario Buscemi, Luis A. Anchordoqui, P. Tobiska, A. C. Fauth, Nataliia Borodai, Philipp Papenbreer, Jonathan Biteau, Nicolás González, T. Huege, R.J. Barreira Luz, Petr Travnicek, M. Schimp, F. Sánchez, Antonio Condorelli, Christine Peters, Luis A. Nunez, H. Wilczyński, M. Zavrtanik, P. Stassi, Jörg R. Hörandel, Darko Veberič, R.C. dos Anjos, Radomir Smida, Adriana Vásquez-Ramírez, A. Machado Payeras, Carla Bonifazi, M. Palatka, B. C. Manning, Jose A. Bellido, Isabel Goos, Jeffrey Brack, Olaf Scholten, Trent D. Grubb, Christian Sarmiento-Cano, Humberto Ibarguen Salazar, Fabio Convenga, Martin Vacula, Marcus Niechciol, D. Heck, A.L. Garcia Vegas, R. Squartini, E. De Vito, Giovanni Consolati, M. A. Muller, Alfred Müller, A. Di Matteo, A. Taboada, M. del Río, I. Lhenry-Yvon, Juan Manuel Figueira, Jesús Peña-Rodríguez, Francesco Fenu, B. Wundheiler, A. Puyleart, Corinne Berat, M. Giller, Roberta Colalillo, Fernando Gollan, Maria Rita Coluccia, A. G. Mariazzi, Heino Falcke, A. Fuster, J. Vicha, S. Querchfeld, Gaia Silli, I.D. Vergara Quispe, P.F. Gómez Vitale, D. Nosek, M.P. Panetta, Miguel Mostafa, Petr Schovanek, G. Medina-Tanco, R. Halliday, Charles Timmermans, V. de Souza, Olena Tkachenko, Martina Bohacova, A. Filipčič, F. Salamida, Hernán Asorey, A. Yushkov, G. Matthiae, Antonio Bueno, E. Santos, J. Šupík, Carlo Ventura, Hernan Wahlberg, D. Melo, A. Tapia, Juan Pablo Gongora, G. Torralba Elipe, H. Gemmeke, J. Rautenberg, Gualberto Avila, S. Petrera, Marc Weber, Q. Luce, G. P. Guedes, Toshihiro Fujii, G. Marsella, Dariusz Gora, Ladislav Chytka, Massimo Mastrodicasa, L. Valore, M. Unger, D. Mockler, A. Parra, P. Ruehl, Samo Stanič, A. Weindl, E. M. Santos, Maximilian Stadelmaier, R. Sato, G. Golup, J. F. Valdés Galicia, I. De Mitri, Jakub Juryšek, J. Debatin, A. Bridgeman, Alan Coleman, V. Novotny, J. Hulsman, Rossella Caruso, A. Lucero, Fernando Catalani, David Schmidt, S. Schröder, S. J. Saffi, R. Alves Batista, Bruce R. Dawson, Caterina Trimarelli, Italo Epicoco, Steffen Hahn, P. Ristori, P.O. Mazur, Juan Carlos D'Olivo, T. Pierog, D. Lo Presti, Sullivan Marafico, M. Trini, M. A. Leigui de Oliveira, Xavier Bertou, A. Zepeda, Violet M. Harvey, D. Harari, Esteban Roulet, Pedro Assis, H. Martinez, S. J. De Jong, A. Etchegoyen, Justin M. Albury, Pierre Billoir, F. Pedreira, Marco Giammarchi, Raul Sarmento, Jarryd A. Day, A. Saftoiu, Felix Schlüter, A. Cancio, J. Stasielak, Fabian Gobbi, Piera Luisa Ghia, A.C. Cobos Cerutti, Thomas Hebbeker, Sergio Dasso, Tristan Sudholz, Alina Mihaela Badescu, Cristina Galea, Martín Miguel Freire, M. Prouza, J. R. T. de Mello Neto, I. Allekotte, M. J. Roncoroni, L. Bonneau Arbeletche, Denise Boncioli, R. M. de Almeida, Jose Chinellato, Rodrigo Pelayo, Stijn Buitink, Ioana Caracas, A. Letessier-Selvon, Lorenzo Cazon, Alessio Gorgi, Orazio Zapparrata, Carola Dobrigkeit, M. Muzio, A. van Vliet, David Wittkowski, G. Salina, Danielle LaHurd, Olivier Deligny, Tomáš Fodran, R. Lorek, Ugo Giaccari, Alan Watson, M. Perlin, Mihai Niculescu-Oglinzanu, J. Alvarez Castillo, Julian Kemp, R. Conceição, Miroslav Hrabovský, A. Haungs, P. Mantsch, Z. Szadkowski, Alex Kääpä, Octavian Sima, L. Lopes, Jaime Alvarez-Muñiz, H. Schieler, Alexandru Gherghel-Lascu, Q. Dorosti, Lukáš Vaclavek, G. Mancarella, B. Keilhauer, André Schulz, Karl-Heinz Kampert, S. J. Sciutto, Juan Miguel Carceller, Antonella Castellina, D. Nitz, M. Risse, L. R. Wiencke, Jonathan Blazek, C. M. Schäfer, G. Parente, Fabrizia Canfora, L. Zehrer, J. de Oliveira, Alejandro Almela, Thomas Bretz, Corbin Covault, G. Kukec Mezek, Lino Miramonti, M. E. Bertaina, D. de Oliveira Franco, A. Menshikov, P. Abreu, D. Ravignani, Marcel Köpke, M. Platino, Max Malacari, J. Perez Armand, Claudio Galelli, K.-H. Becker, M. Pimenta, P.R. Araújo Ferreira, Tobias Winchen, Florian Lukas Briechle, Silvia Mollerach, B. García, N. Fazzini, Jonas Glombitza, F. C. T. Barbato, R. López, Karen S. Caballero-Mora, Martin Erdmann, J. de Jesús, A. Streich, Gioacchino Alex Anastasi, M. Wirtz, J. Chudoba, Roger W Clay, G. Cataldi, V. Scherini, Serguei Vorobiov, A. Insolia, M. Kleifges, D. Zavrtanik, A.D. Supanitsky, J. Pȩkala, Flavia Gesualdi, Marcos Cerda, M. Urban, W. M. Namasaka, A. C. Rovero, Alexandru Balaceanu, M. Suárez-Durán, Carla Aramo, Vincenzo Rizi, Julien Souchard, D. Martello, M. Ziolkowski, O. Martínez Bravo, K. Mulrey, J. Kleinfeller, Carlos Escobar, Kevin-Druis Merenda, Aab, A., Abreu, P., Aglietta, M., Albury, J. M., Allekotte, I., Almela, A., Castillo, J. A., Alvarez-Muñiz, J., Batista, R. A., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Ferreira, P. R. A., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Luz, R. J. B., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Billoir, P., Bister, T., Biteau, J., Blanco, A., Blazek, J., Bleve, C., Bohacova, M., Boncioli, D., Bonifazi, C., Arbeletche, L. B., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Bridgeman, A., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Calcagni, L., Cancio, A., Canfora, F., Caracas, I., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Choi, K., Chudoba, J., Chytka, L., Clay, R. W., Cerutti, A. C. C., Colalillo, R., Coleman, A., Coluccia, M. R., Conceicao, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Covault, C. E., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., De Almeida, R. M., De Jesus, J., De Jong, S. J., Mauro, G. D., Neto, J. R. T. D. M., Mitri, I. D., De Oliveira, J., Franco, D. D. O., De Souza, V., Vito, E. D., Debatin, J., Rio, M. D., Deligny, O., Dhital, N., Matteo, A. D., Castro, M. L. D., Dobrigkeit, C., D'Olivo, J. C., Dorosti, Q., Anjos, R. C. D., Dova, M. T., Ebr, J., Engel, R., Epicoco, I., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Fick, B., Figueira, J. M., Filipcic, A., Fodran, T., Freire, M. M., Fujii, T., Fuster, A., Galea, C., Galelli, C., Garcia, B., Vegas, A. L. G., Gemmeke, H., Gesualdi, F., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Glombitza, J., Gobbi, F., Gollan, F., Golup, G., Berisso, M. G., Vitale, P. F. G., Gongora, J. P., Gonzalez, N., Goos, I., Gora, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Hahn, S., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Hill, G. C., Hojvat, C., Horandel, J. R., Horvath, P., Hrabovsky, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Johnsen, J. A., Jurysek, J., Kaapa, A., Kampert, K. H., Keilhauer, B., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Kopke, M., Mezek, G. K., Lago, B. L., Lahurd, D., Lang, R. G., De Oliveira, M. A. L., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Presti, D. L., Lopes, L., Lopez, R., Lorek, R., Luce, Q., Lucero, A., Payeras, A. M., Malacari, M., Mancarella, G., Mandat, D., Manning, B. C., Manshanden, J., Mantsch, P., Marafico, S., Mariazzi, A. G., Maris, I. C., Marsella, G., Martello, D., Martinez, H., Bravo, O. M., Mastrodicasa, M., Mathes, H. J., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Miramonti, L., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Mostafa, M., Muller, A. L., Muller, M. A., Mulrey, K., Mussa, R., Muzio, M., Namasaka, W. M., Nellen, L., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., Nosek, D., Novotny, V., Nozka, L., Nucita, A., Nuñez, L. A., Palatka, M., Pallotta, J., Panetta, M. P., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., Pkala, J., Pelayo, R., Peña-Rodriguez, J., Armand, J. P., Perlin, M., Perrone, L., Peters, C., Petrera, S., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Pont, B., Pothast, M., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., De Carvalho, W. R., Rojo, J. R., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Gomez, J. D. S., Sanchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schafer, C., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schluter, F., Schmidt, D., Scholten, O., Schovanek, P., Schroder, F. G., Schroder, S., Schulz, A., Sciutto, S. J., Scornavacche, M., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Smida, R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stadelmaier, M., Stanca, D., Stanic, S., Stasielak, J., Stassi, P., Streich, A., Suarez-Duran, M., Sudholz, T., Suomijarvi, T., Supanitsky, A. D., Supik, J., Szadkowski, Z., Taboada, A., Tapia, A., Timmermans, C., Tkachenko, O., Tobiska, P., Peixoto, C. J. T., Tome, B., Elipe, G. T., Travaini, A., Travnicek, P., Trimarelli, C., Trini, M., Tueros, M., Ulrich, R., Unger, M., Urban, M., Vaclavek, L., Vacula, M., Galicia, J. F. V., Valiño, I., Valore, L., Vliet, A. V., Varela, E., Cardenas, B. V., Vasquez-Ramirez, A., Veberic, D., Ventura, C., Quispe, I. D. V., Verzi, V., Vicha, J., Villaseñor, L., Vink, J., Vorobiov, S., Wahlberg, H., Watson, A. A., Weber, M., Weindl, A., Wiencke, L., Wilczynski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yushkov, A., Zapparrata, O., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Ziolkowski, M., Zuccarello, F., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Pierre Auger, Research unit Astroparticle Physics, Physics, Elementary Particle Physics, Aab A., Abreu P., Aglietta M., Albury J.M., Allekotte I., Almela A., Castillo J.A., Alvarez-Muñiz J., Batista R.A., Anastasi G.A., Anchordoqui L., Andrada B., Andringa S., Aramo C., Ferreira P.R.A., Asorey H., Assis P., Avila G., Badescu A.M., Bakalova A., Balaceanu A., Barbato F., Luz R.J.B., Becker K.H., Bellido J.A., Berat C., Bertaina M.E., Bertou X., Biermann P.L., Billoir P., Bister T., Biteau J., Blanco A., Blazek J., Bleve C., Bohacova M., Boncioli D., Bonifazi C., Arbeletche L.B., Borodai N., Botti A.M., Brack J., Bretz T., Bridgeman A., Briechle F.L., Buchholz P., Bueno A., Buitink S., Buscemi M., Caballero-Mora K.S., Caccianiga L., Calcagni L., Cancio A., Canfora F., Caracas I., Carceller J.M., Caruso R., Castellina A., Catalani F., Cataldi G., Cazon L., Cerda M., Chinellato J.A., Choi K., Chudoba J., Chytka L., Clay R.W., Cerutti A.C.C., Colalillo R., Coleman A., Coluccia M.R., Conceicao R., Condorelli A., Consolati G., Contreras F., Convenga F., Covault C.E., Dasso S., Daumiller K., Dawson B.R., Day J.A., De Almeida R.M., De Jesus J., De Jong S.J., Mauro G.D., Neto J.R.T.D.M., Mitri I.D., De Oliveira J., Franco D.D.O., De Souza V., Vito E.D., Debatin J., Rio M.D., Deligny O., Dhital N., Matteo A.D., Castro M.L.D., Dobrigkeit C., D'Olivo J.C., Dorosti Q., Anjos R.C.D., Dova M.T., Ebr J., Engel R., Epicoco I., Erdmann M., Escobar C.O., Etchegoyen A., Falcke H., Farmer J., Farrar G., Fauth A.C., Fazzini N., Feldbusch F., Fenu F., Fick B., Figueira J.M., Filipcic A., Fodran T., Freire M.M., Fujii T., Fuster A., Galea C., Galelli C., Garcia B., Vegas A.L.G., Gemmeke H., Gesualdi F., Gherghel-Lascu A., Ghia P.L., Giaccari U., Giammarchi M., Giller M., Glombitza J., Gobbi F., Gollan F., Golup G., Berisso M.G., Vitale P.F.G., Gongora J.P., Gonzalez N., Goos I., Gora D., Gorgi A., Gottowik M., Grubb T.D., Guarino F., Guedes G.P., Guido E., Hahn S., Halliday R., Hampel M.R., Hansen P., Harari D., Harvey V.M., Haungs A., Hebbeker T., Heck D., Hill G.C., Hojvat C., Horandel J.R., Horvath P., Hrabovsky M., Huege T., Hulsman J., Insolia A., Isar P.G., Johnsen J.A., Jurysek J., Kaapa A., Kampert K.H., Keilhauer B., Kemp J., Klages H.O., Kleifges M., Kleinfeller J., Kopke M., Mezek G.K., Lago B.L., Lahurd D., Lang R.G., De Oliveira M.A.L., Lenok V., Letessier-Selvon A., Lhenry-Yvon I., Presti D.L., Lopes L., Lopez R., Lorek R., Luce Q., Lucero A., Payeras A.M., Malacari M., Mancarella G., Mandat D., Manning B.C., Manshanden J., Mantsch P., Marafico S., Mariazzi A.G., Maris I.C., Marsella G., Martello D., Martinez H., Bravo O.M., Mastrodicasa M., Mathes H.J., Matthews J., Matthiae G., Mayotte E., Mazur P.O., Medina-Tanco G., Melo D., Menshikov A., Merenda K.-D., Michal S., Micheletti M.I., Miramonti L., Mockler D., Mollerach S., Montanet F., Morello C., Mostafa M., Muller A.L., Muller M.A., Mulrey K., Mussa R., Muzio M., Namasaka W.M., Nellen L., Niculescu-Oglinzanu M., Niechciol M., Nitz D., Nosek D., Novotny V., Nozka L., Nucita A., Nuñez L.A., Palatka M., Pallotta J., Panetta M.P., Papenbreer P., Parente G., Parra A., Pech M., Pedreira F., Pkala J., Pelayo R., Peña-Rodriguez J., Armand J.P., Perlin M., Perrone L., Peters C., Petrera S., Pierog T., Pimenta M., Pirronello V., Platino M., Pont B., Pothast M., Privitera P., Prouza M., Puyleart A., Querchfeld S., Rautenberg J., Ravignani D., Reininghaus M., Ridky J., Riehn F., Risse M., Ristori P., Rizi V., De Carvalho W.R., Rojo J.R., Roncoroni M.J., Roth M., Roulet E., Rovero A.C., Ruehl P., Saffi S.J., Saftoiu A., Salamida F., Salazar H., Salina G., Gomez J.D.S., Sanchez F., Santos E.M., Santos E., Sarazin F., Sarmento R., Sarmiento-Cano C., Sato R., Savina P., Schafer C., Scherini V., Schieler H., Schimassek M., Schimp M., Schluter F., Schmidt D., Scholten O., Schovanek P., Schroder F.G., Schroder S., Schulz A., Sciutto S.J., Scornavacche M., Shellard R.C., Sigl G., Silli G., Sima O., Smida R., Sommers P., Soriano J.F., Souchard J., Squartini R., Stadelmaier M., Stanca D., Stanic S., Stasielak J., Stassi P., Streich A., Suarez-Duran M., Sudholz T., Suomijarvi T., Supanitsky A.D., Supik J., Szadkowski Z., Taboada A., Tapia A., Timmermans C., Tkachenko O., Tobiska P., Peixoto C.J.T., Tome B., Elipe G.T., Travaini A., Travnicek P., Trimarelli C., Trini M., Tueros M., Ulrich R., Unger M., Urban M., Vaclavek L., Vacula M., Galicia J.F.V., Valiño I., Valore L., Vliet A.V., Varela E., Cardenas B.V., Vasquez-Ramirez A., Veberic D., Ventura C., Quispe I.D.V., Verzi V., Vicha J., Villaseñor L., Vink J., Vorobiov S., Wahlberg H., Watson A.A., Weber M., Weindl A., Wiencke L., Wilczynski H., Winchen T., Wirtz M., Wittkowski D., Wundheiler B., Yushkov A., Zapparrata O., Zas E., Zavrtanik D., Zavrtanik M., Zehrer L., Zepeda A., Ziolkowski M., Zuccarello F., and High Energy Astrophys. & Astropart. Phys (API, FNWI)
Subjects: Physics::Instrumentation and Detectors, Astronomy, primary [cosmic radiation], 01 natural sciences, 030218 nuclear medicine & medical imaging, Auger, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), 0302 clinical medicine, surface [detector], Observatory, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Data Processing, Large detector systems for particle and astroparticle physics, Large detector-systems performance, Performance of High Energy Physics Detectors, Instrumentation, Mathematical Physics, Largedetector-systems performance, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, astro-ph.HE, Instrumentation et méthodes en physique, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, cascade, observatory, Cascade, ddc:620, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, atmosphere [showers], air, Astrophysics::High Energy Astrophysical Phenomena, water, FOS: Physical sciences, Cosmic ray, Atmosphere, 03 medical and health sciences, Optics, 0103 physical sciences, High Energy Physics, 14. Life underwater, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], ddc:610, Instrumentation and Methods for Astrophysics (astro-ph.IM), Zenith, Engineering & allied operations, Pierre Auger Observatory, showers: atmosphere, 010308 nuclear & particles physics, business.industry, hep-ex, detector: surface, Autres mathématiques, cosmic radiation: primary, Cherenkov counter, Experimental High Energy Physics, Large detector systems for particle and astroparticle physic, High Energy Physics::Experiment, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], RAIOS CÓSMICOS, astro-ph.IM
Abstract: Cosmic rays arriving at Earth collide with the upper parts of the atmosphere, thereby inducing extensive air showers. When secondary particles from the cascade arrive at the ground, they are measured by surface detector arrays. We describe the methods applied to the measurements of the surface detector of the Pierre Auger Observatory to reconstruct events with zenith angles less than 60 using the timing and signal information recorded using the water-Cherenkov detector stations. In addition, we assess the accuracy of these methods in reconstructing the arrival directions of the primary cosmic ray particles and the sizes of the induced showers., Argentina - Comisión Nacional de Energía Atómica, Argentina - Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT), Argentina - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina - Gobierno de la Provincia de Mendoza, Argentina - Municipalidad de Malargue, Argentina - NDM Holdings, Argentina - Valle Las Lenas, Australia - Australian Research Council, National Council for Scientific and Technological Development (CNPq), Brazil - Financiadora de Estudos e Projetos (FINEP), Carlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) 2019/10151-2 2010/07359-6 1999/05404-3, Brazil - Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC), Czech Republic Grant MSMT CR LTT18004 LM2015038 LM2018102 CZ.02.1.01/0.0/0.0/16_013/0001402 CZ.02.1.01/0.0/0.0/18_046/0016010 CZ.02.1.01/0.0/0.0/17_049/0008422, France - Centre de Calcul IN2P3/CNRS, Centre National de la Recherche Scientifique (CNRS), France - Conseil Regional Ile-de-France, France - Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS), France - Departement Sciences de l'Univers (SDU-INSU/CNRS), French National Research Agency (ANR) LABEX ANR-10-LABX-63 ANR11-IDEX-0004-02, Federal Ministry of Education & Research (BMBF), German Research Foundation (DFG), Germany - Finanzministerium Baden-Wurttemberg, Germany - Helmholtz Alliance for Astroparticle Physics (HAP), Germany - Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Germany - Min-isterium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen, Germany - Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg, Italy - Istituto Nazionale di Fisica Nucleare (INFN), Italy - Istituto Nazionale di Astrofisica (INAF), Italy - Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Italy - CETEMPS Center of Excellence, Italy - Ministero degli Affari Esteri (MAE), Consejo Nacional de Ciencia y Tecnología (CONACyT) 167733, México - Universidad Nacional Autónoma de México (UNAM), México - PAPIIT DGAPA-UNAM, The Netherlands - Ministry of Education, Culture and Science, Netherlands Organization for Scientific Research (NWO), The Netherlands - Dutch national e-infrastructure, The Netherlands - SURF Cooperative, Poland - Ministry of Science and Higher Education DIR/WK/2018/11, Poland - National Science Centre 2013/08/M/ST9/00322 2016/23/B/ST9/01635 HARMONIA 52013/10/M/ST9/00062 UMO-2016/22/M/ST9/00198, Portugal - Portuguese national funds, Portugal - FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Romania - Romanian Ministry of Education and Research, the Program Nucleu within MCI PN19150201/16N/2019 PN19060102, Romania - Romanian Ministry of Education and Research, the Program Nucleu within PNCDI III PN-III-P11.2-PCCDI-2017-0839/19PCCDI/2018, Slovenian Research Agency - Slovenia P1-0031 P1-0385 I0-0033 N1-0111, Spain - Ministerio de Economía, Industria y Competitividad FPA2017-85114-P FPA2017-85197-P, Spain - Xunta de Galicia ED431C 2017/07, Junta de Andalucía SOMM17/6104/UGR, Spain - Feder Funds, Spain - RENATARedNacional Tematica de Astroparticulas FPA2015-68783-REDT, Spain - Maria de MaeztuUnit of Excellence MDM-2016-0692, United States Department of Energy (DOE) DE-AC02-07CH11359 DE-FR02-04ER41300 DEFG02-99ER41107 DE-SC0011689, National Science Foundation (NSF) 0450696, U.S.A. - Grainger Foundation, U.S.A. - Marie Curie-IRSES/EPLANET, U.S.A. - European Particle Physics Latin American Network, U.S.A. - UNESCO
Published: 2020
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40. Plankton Tracker: A novel integrated system to investigate the dynamic sinking behavior in phytoplankton

Author: Leonilde Roselli, U. Piemontese, G. Durante, G. De Nunzio, G. Marsella, Alberto Basset, Durante G., Roselli L., De Nunzio G., Piemontese U., Marsella G., Basset A., Durante, G., Roselli, L., De Nunzio, G., Piemontese, U., Marsella, G., and Basset, A.
Subjects: 0106 biological sciences, Biogeochemical cycle, 010603 evolutionary biology, 01 natural sciences, Deep sea, Coscinodiscus sp, Phytoplankton, Photic zone, Video-microscopy, Ecology, Evolution, Behavior and Systematics, Individual-based tracking method, Ecology, biology, 010604 marine biology & hydrobiology, Applied Mathematics, Ecological Modeling, Dinoflagellate, Plankton, biology.organism_classification, Computer Science Applications, Oceanography, Computational Theory and Mathematics, Modeling and Simulation, Sinking behavior, Trajectory, Environmental science
Abstract: Phytoplankton sinking is an important property that can determine community composition, affecting nutrient and light absorption in the photic zone, and influencing biogeochemical cycling via material loss to the deep ocean. To date, the difficulty in exploring the sinking processes is partly due to methodological limitations in measuring phytoplankton sinking rate. However, in the last decade, works have illustrated various methods based on some non-invasive and low perturbing approaches (laser scanner, video-microscopy, fluorescence spectroscopy). In this study, we review the methods for sinking rate estimation and describe the Plankton Tracker, a novel integrated system to investigate in vivo the dynamic sinking behavior of phytoplankton. Plankton Tracker is composed of a long-distance objective and a video-microscopy facility coupled with a specifically developed image analysis system (Plankton Tracker Elements). Diatoms and dinoflagellates were individually-tracked. By processing recorded videos and images, sinking traits (e.g. trajectory length and complexity, sinking velocity, turning angle) were obtained simultaneously with morphological traits (e.g. linear dimensions). We also applied a Biased Correlated Random Walk model to sinking traits. Particularly, we found linear motion in the colony-forming Thalassiosira sp. and sinusoidal reorientation in the dinoflagellate Scrippsiella acuminata. We found complex suspension dynamic of the large Coscinodiscus sp. In this view, the Plankton Tracker approach is likely to provide more insights towards the exploration of dynamic sinking behavior in phytoplankton.
Published: 2020

41. Internal alignment and position resolution of the silicon tracker of DAMPE determined with orbit data

Author: S. Garrappa, Rui Qiao, M. Duranti, I. De Mitri, Maria Ionica, Fan Zhang, P. Bernardini, Hai-Hui Zhao, A. Bolognini, Keyun Gong, Juan Zhang, S. Vitillo, B. Bertucci, Yi-Fan Dong, V. Gallo, Shi-Jun Lei, Min Gao, Jun-jing Wang, M. M. Salinas, X. X. Li, M. N. Mazziotta, V. Vagelli, P. Azzarello, Diru Wu, Andrii Tykhonov, Shanta M. Zimmer, R. Asfandiyarov, D. D'Urso, G. Ambrosi, P. Fusco, G. Marsella, A. De Benedittis, A. D'Amone, F. Gargano, Franck Cadoux, D. La Marra, M. Di Santo, A. Surdo, Weiwei Peng, Xin Wu, Zhao-Min Wang, Huanyu Wang, F. Loparco, Ruirui Fan, Tykhonov, A., Ambrosi, G., Asfandiyarov, R., Azzarello, P., Bernardini, P., Bertucci, B., Bolognini, A., Cadoux, F., D'Amone, A., De Benedittis, A., De Mitri, I., Di Santo, M., Dong, Y. F., Duranti, M., D'Urso, D., Fan, R. R., Fusco, P., Gallo, V., Gao, M., Gargano, F., Garrappa, S., Gong, K., Ionica, M., La Marra, D., Lei, S. J., Li, X., Loparco, F., Marsella, G., Mazziotta, M. N., Peng, W. X., Qiao, R., Salinas, M. M., Surdo, A., Vagelli, V., Vitillo, S., Wang, H. Y., Wang, J. Z., Wang, Z. M., Wu, D., Wu, X., Zhang, F., Zhang, J. Y., Zhao, H., and Zimmer, S.
Subjects: Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Photon, Silicon, Proton, Physics::Instrumentation and Detectors, Alignment, Cosmic-ray detectors, Gamma-ray telescopes, Silicon-strip detectors, Instrumentation, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, chemistry.chemical_element, Electron, 01 natural sciences, Silicon-strip detector, Radiation length, Particle detector, Optics, 0103 physical sciences, 010303 astronomy & astrophysics, Image resolution, Nuclear and High Energy Physic, Physics, Range (particle radiation), 010308 nuclear & particles physics, business.industry, Settore FIS/01 - Fisica Sperimentale, Instrumentation and Detectors (physics.ins-det), Cosmic-ray detector, chemistry, Gamma-ray telescope, High Energy Physics::Experiment, business
Abstract: The DArk Matter Particle Explorer (DAMPE) is a space-borne particle detector designed to probe electrons and gamma-rays in the few GeV to 10 TeV energy range, as well as cosmic-ray proton and nuclei components between 10 GeV and 100 TeV. The silicon–tungsten tracker–converter is a crucial component of DAMPE. It allows the direction of incoming photons converting into electron–positron pairs to be estimated, and the trajectory and charge (Z) of cosmic-ray particles to be identified. It consists of 768 silicon micro-strip sensors assembled in 6 double layers with a total active area of 6.6 m 2 . Silicon planes are interleaved with three layers of tungsten plates, resulting in about one radiation length of material in the tracker. Internal alignment parameters of the tracker have been determined on orbit, with non-showering protons and helium nuclei. We describe the alignment procedure and present the position resolution and alignment stability measurements.
Published: 2018
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42. Absolute-energy-scale calibration of ARGO-YBJ for light primaries in multi-TeV region with the Moon shadow observation

Author: X. C. Yang, H. H. He, T. Di Girolamo, Zhenyong Feng, H. Y. Jia, B. D'Ettorre Piazzoli, L. Xue, Hong-peng Lu, P. Pistilli, H. M. Zhang, X. X. Zhou, M. Iacovacci, M. Zha, Labaciren, X. D. Sheng, S. M. Mari, J. K. K. Liu, A. Surdo, Paolo Bernardini, L. L. Ma, Haibing Hu, Longzhou Zhang, H. W. Wang, J. B. Zhao, P. Salvini, Chang-Chun Ning, C. X. Liu, H. J. Li, H. R. Wu, Zhaoyang Feng, G. Marsella, X. J. Bi, Y. Zhang, Z. G. Yao, G. Mancarella, Zhaxisangzhu, C. Y. Wu, B. Bartoli, S. Z. Chen, L. Perrone, R. Santonico, G. Di Sciascio, Y. H. Tan, Fudong Shi, B. Z. Dai, S. Mastroianni, Carlo Vigorito, Zhaxiciren, F. R. Zhu, Danzengluobu, Y. Q. Guo, Q. Q. Zhu, I. De Mitri, Q. B. Gou, Zihuang Cao, Piero Vallania, T. L. Chen, A. F. Yuan, Pengnian Shen, S. Catalanotti, S. W. Cui, Hongbo Hu, C. F. Feng, P. Montini, X. H. Ma, X. Y. Zhang, Minghui Liu, R. Iuppa, S. Vernetto, A. D'Amone, Q. Y. Yang, Bartoli, B., Bernardini, P., Bi, X. J., Cao, Z., Catalanotti, S., Chen, S. Z., Chen, T. L., Cui, S. W., Dai, B. Z., D'Amone, A., Danzengluobu, Null, De Mitri, I., D'Ettorre Piazzoli, B., Di Girolamo, T., Di Sciascio, G., Feng, C. F., Feng, Zhaoyang, Feng, Zhenyong, Gou, Q. B., Guo, Y. Q., He, H. H., Hu, Haibing, Hu, Hongbo, Iacovacci, M., Iuppa, R., Jia, H. Y., Labaciren, Null, Li, H. J., Liu, C., Liu, J., Liu, M. Y., Lu, H., Ma, L. L., Ma, X. H., Mancarella, G., Mari, Stefano Maria, Marsella, G., Mastroianni, S., Montini, Paolo, Ning, C. C., Perrone, L., Pistilli, Pio, Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, H., Wu, C. Y., Wu, H. R., Xue, L., Yang, Q. Y., Yang, X. C., Yao, Z. G., Yuan, A. F., Zha, M, Zhang, H. M., Zhang, L., Zhang, X. Y., Zhang, Y., Zhao, J., Zhaxiciren, Null, Zhaxisangzhu, Null, Zhou, X. X., Zhu, F. R., Zhu, Q. Q., Bernardini, Paolo, D'Amone, Antonio, DE MITRI, Ivan, D’Ettorre Piazzoli, B., Mancarella, Giovanni, Mari, S. M., Marsella, Giovanni, Montini, P., Perrone, Lorenzo, Pistilli, P., Zha, M., and collaboration), (The ARGO YBJ
Subjects: Cosmic ray, Energy calibration, Energy spectrum, Moon shadow, Physics, Large Hadron Collider, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Hadron, Moon shadow, Astronomy, Astronomy and Astrophysics, Cosmic ray, Interaction model, Astrophysics, 01 natural sciences, Scale error, Energy calibration, Energy spectrum, Rigidity (electromagnetism), 0103 physical sciences, Ultra-high-energy cosmic ray, 010303 astronomy & astrophysics, Argo
Abstract: In 2011 ARGO-YBJ experiment has reported a work to study the absolute rigidity scale of the primary cosmic ray particles based on the Moon's shadow observation. Given the progress in high energy hadronic interaction models with LHC data, in cosmic ray chemical composition measurement and in experimental data accumulation, more updates can be researched. This paper aims to further disentangle the composition dependence in absolute-energy-scale calibration by using specific moon-shadow data which mainly is comprised of light component cosmic rays. Results show that, 17% energy scale error is estimated from 3 TeV to 50 TeV. To validate the performance of this technique, the light component cosmic ray spectrum in the same energy region is shown. (C) 2017 Elsevier B.V. All rights reserved.
Published: 2017
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43. Intrinsic linearity of bakelite Resistive Plate Chambers operated in streamer mode

Author: M. Iacovacci, L. L. Ma, X. H. Ma, Hongbo Hu, X. Y. Zhang, Minghui Liu, L. Perrone, Zihuang Cao, P. Creti, Haifeng Li, R. Santonico, Yicheng Guo, J. B. Zhao, P. Salvini, A. Budano, Chang-Chun Ning, Cunfeng Feng, Zhaoyang Feng, Fudong Shi, Z. G. Yao, C. Y. Wu, B. D'Ettorre Piazzoli, H. Lu, F. R. Zhu, S. Mastroianni, Danzengluobu, G. Di Sciascio, I. De Mitri, S. M. Mari, X. C. Yang, Piero Vallania, T. L. Chen, Zhaxiciren, G. Liguori, L. Xue, Paolo Camarri, Zhenyong Feng, B. Bartoli, C. X. Liu, H. W. Wang, Zhaxisangzhu, J. K. K. Liu, H. Y. Jia, Longzhou Zhang, Q. Q. Zhu, M. Zha, X. J. Bi, M. Panareo, G. Mancarella, S. W. Cui, S. Z. Chen, T. Di Girolamo, H. R. Wu, B. Z. Dai, F. Ruggieri, P. Branchini, Q. B. Gou, A. F. Yuan, Labaciren, Q. Y. Yang, G. Zizzi, H. H. He, Y. H. Tan, A. D'Amone, X. D. Sheng, Paolo Bernardini, Paolo Montini, R. Iuppa, R. Cardarelli, G. Marsella, S. Vernetto, Pengnian Shen, S. Catalanotti, P. Pistilli, H. M. Zhang, X. X. Zhou, A. Surdo, Carlo Vigorito, Haibing Hu, Y. Zhang, D. Martello, Bartoli B., Bernardini P., Bi X. J., Branchini P., Budano A., Camarri P., Cao Z., Cardarelli R., Catalanotti S., Chen S. Z., Chen T. L., Creti P., Cui S. W., Dai B. Z., D'Amone A., Danzengluobu, De Mitri I., D'Ettorre Piazzoli B., Di Girolamo T., Di Sciascio G., Feng C. F., Feng Z., Gou Q. B., Guo Y. Q., He H. H., Hu H., Iacovacci M., Iuppa R., Jia H. Y., Labaciren, Li H. J., Liguori G., Liu C., Liu J., Liu M. Y., Lu H., Ma L. L., Ma X. H., Mancarella G., Mari S. M., Marsella G., Martello D., Mastroianni S., Montini P., Ning C. C., Panareo M., Perrone L., Pistilli P., Ruggieri F., Salvini P., Santonico R., Shen P. R., Sheng X. D., Shi F., Surdo A., Tan Y. H., Vallania P., Vernetto S., Vigorito C., Wang H., Wu C. Y., Wu H. R., Xue L., Yang Q. Y., Yang X. C., Yao Z. G., Yuan A. F., Zha M., Zhang H. M., Zhang L., Zhang X. Y., Zhang Y., Zhao J., Zhaxiciren Zhaxisangzhu, Zhou X. X., Zhu F. R., Zhu Q. Q., Zizzi G., Bartoli, B., Bernardini, P., Bi, X. J., Branchini, P., Budano, A., Camarri, P., Cao, Z., Cardarelli, R., Catalanotti, S., Chen, S. Z., Chen, T. L., Creti, P., Cui, S. W., Dai, B. Z., D'Amone, A., De Mitri, I., D'Ettorre Piazzoli, B., Di Girolamo, T., Di Sciascio, G., Feng, C. F., Feng, Z., Gou, Q. B., Guo, Y. Q., He, H. H., Hu, H., Iacovacci, M., Iuppa, R., Jia, H. Y., Li, H. J., Liguori, G., Liu, C., Liu, J., Liu, M. Y., Lu, H., Ma, L. L., Ma, X. H., Mancarella, G., Mari, S. M., Marsella, G., Martello, D., Mastroianni, S., Montini, P., Ning, C. C., Panareo, M., Perrone, L., Pistilli, P., Ruggieri, F., Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, H., Wu, C. Y., Wu, H. R., Xue, L., Yang, Q. Y., Yang, X. C., Yao, Z. G., Yuan, A. F., Zha, M., Zhang, H. M., Zhang, L., Zhang, X. Y., Zhang, Y., Zhao, J., Zhaxiciren, Zhaxisangzhu, Zhou, X. X., Zhu, F. R., Zhu, Q. Q., Zizzi, G., D’Amone, A., Danzengluobu, Null, D’Ettorre Piazzoli, B., Feng, Zhaoyang, Feng, Zhenyong, Hu, Haibing, Hu, Hongbo, Labaciren, Null, Zhaxiciren, Null, and Zhaxisangzhu, Null
Subjects: Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Intrinsic linearity, Streamer mode, Cosmic ray, Calorimetry, 01 natural sciences, chemistry.chemical_compound, Optics, 0103 physical sciences, Bakelite, Particle density, 010303 astronomy & astrophysics, Instrumentation, Physics, Resistive touchscreen, 010308 nuclear & particles physics, business.industry, Detector, Settore FIS/01 - Fisica Sperimentale, Linearity, RPC detector, Streamer mode, Intrinsic linearity, Calorimetry, chemistry, Particle, Physics::Accelerator Physics, RPC detector, business, Beam (structure)
Abstract: Resistive Plate Chambers have largely been used in High Energy Physics and Cosmic Ray research. In view of using this detector for calorimetry applications it is important to know the maximum measurable particle density, or its intrinsic linearity limit, which is tightly related to the dimension of the discharge region. In this paper we report the results of measurements performed at the Beam Test Facility (INFN National Laboratory of Frascati, Italy) where the intrinsic linearity of bakelite RPCs operated in streamer mode has been tested at different impinging particle densities.
Published: 2019

44. Measurement of the cosmic ray proton spectrum from 40 GeV to 100 TeV with the DAMPE satellite

Author: Chi Wang, Y. Z. Gong, Yujuan Liu, Kai-Kai Duan, Yaohui Zhang, L. G. Wang, Dong Ya Guo, Cihang Luo, X. Y. Peng, Jie Liu, Guangshun Huang, Zhi-Yu Sun, S. Wang, R. R. Fan, Maria Ionica, Jie Kong, Peng-Xiong Ma, Zhi Hui Xu, Xiaoyuan Huang, Yu-Sa Wang, N. H. Liao, L. Feng, Michael Ma, H. Liu, X. Y. Ma, Z. X. Dong, Dingsong Wu, Jun-jun Guo, Niu Xiaoyang, A. D'Amone, K. Gong, S. C. Wen, I. De Mitri, P. Azzarello, Min Gao, Chengrui Zhou, Shengxia Zhang, Shumei Wu, Mn Mazziotta, G. Z. Shang, K. Xi, Xian-Min Jin, F. Loparco, Xin-Fu Zhao, Z. Z. Xu, Y. Y. Huang, Shuang Xue Han, X. L. Wang, Zhongjie Yang, Y. H. Yu, G. Marsella, Zhao-Min Wang, Jinglai Duan, Andrii Tykhonov, S. B. Liu, Y. Zhang, Meng Su, Q. An, Y. F. Dong, C. Q. Feng, Xiulian Pan, Ju-Xian Song, Peidong Yang, W. Li, Y. M. Hu, S.X. Li, S. Y. Ma, H. T. Xu, Jindong Zhang, Z. Q. Xia, Yali Zhou, Jialong Chen, J. Z. Wang, X. X. Li, H. Su, M. S. Cai, Jian Wu, X. J. Bi, Haiqiong Wang, Yifan Yang, Tianxiao Ma, F. J. Gan, Donghong Chen, J. J. Zang, Hao Ting Dai, Huaguang Wang, Zhoubin Zhang, P. Bernardini, Z.-Q. Shen, F. Gargano, H. S. Chen, Manyu Ding, Y. F. Liang, R. Qiao, D. Droz, Chuan Yue, W. X. Peng, Y. F. Wei, Shi-Jun Lei, Q. Yuan, Y. J. Zhang, P. Fusco, Yun-Zhi Zhang, A. Surdo, YM Liang, Jiang Chang, J. J. Wei, Lihui Wu, D. Mo, Y. Li, Giacinto Donvito, A. De Benedittis, Wangli Chen, Yang Haibo, Quan Wang, R. Asfandiyarov, M. Di Santo, J. Y. Zhang, Xi Zhu, J. N. Rao, D. M. Wei, Zongye Zhang, Hong Yun Zhao, Yu-Xuan Zhu, D. D'Urso, Hu-Rong Yao, S. Vitillo, Yen-Po Wang, Yugang Zhang, M. Y. Cui, M. M. Salinas, Fang Fang, Wei Liu, T. S. Cui, Huan Zhao, Z. Xu, X. J. Teng, Tie-Kuang Dong, W. H. Shen, Z. T. Shen, Shanta M. Zimmer, Xian Qiang Li, Xin Wu, C. Liu, Y. F. Wang, V. Gallo, W. Zhang, Wei Jiang, Yuqing Fan, Fengtao Zhang, G. F. Xue, Pengchao Zhang, Xiangpeng Guo, Xixian Wang, An Q., Asfandiyarov R., Azzarello P., Bernardini P., Bi X. J., Cai M. S., Chang J., Chen D. Y., Chen H. F., Chen J. L., Chen W., Cui M. Y., Cui T. S., Dai H. T., D'Amone A., De Benedittis A., De Mitri I., Di Santo M., Ding M., Dong T. K., Dong Y. F., Dong Z. X., Donvito G., Droz D., Duan J. L., Duan K. K., D'Urso D., Fan R. R., Fan Y. Z., Fang F., Feng C. Q., Feng L., Fusco P., Gallo V., Gan F. J., Gao M., Gargano F., Gong K., Gong Y. Z., Guo D. Y., Guo J. H., Guo X. L., Han S. X., Hu Y. M., Huang G. S., Huang X. Y., Huang Y. Y., Ionica M., Jiang W., Jin X., Kong J., Lei S. J., Li S., Li W. L., Li X., Li X. Q., Li Y., Liang Y. F., Liang Y. M., Liao N. H., Liu C. M., Liu H., Liu J., Liu S. B., Liu W. Q., Liu Y., Loparco F., Luo C. N., Ma M., Ma P. X., Ma S. Y., Ma T., Ma X. Y., Marsella G., Mazziotta M. N., Mo D., Niu X. Y., Pan X., Peng W. X., Peng X. Y., Qiao R., Rao J. N., Salinas M. M., Shang G. Z., Shen W. H., Shen Z. Q., Shen Z. T., Song J. X., Su H., Su M., Sun Z. Y., Surdo A., Teng X. J., Tykhonov A., Vitillo S., Wang C., Wang H., Wang H. Y., Wang J. Z., Wang L. G., Wang Q., Wang S., Wang X. H., Wang X. L., Wang Y. F., Wang Y. P., Wang Y. Z., Wang Z. M., Wei D. M., Wei J. J., Wei Y. F., Wen S. C., Wu D., Wu J., Wu L. B., Wu S. S., Wu X., Xi K., Xia Z. Q., Xu H. T., Xu Z. H., Xu Z. L., Xu Z. Z., Xue G. F., Yang H. B., Yang P., Yang Y. Q., Yang Z. L., Yao H. J., Yu Y. H., Yuan Q., Yue C., Zang J. J., Zhang F., Zhang J. Y., Zhang J. Z., Zhang P. F., Zhang S. X., Zhang W. Z., Zhang Y., Zhang Y. J., Zhang Y. L., Zhang Y. P., Zhang Y. Q., Zhang Z., Zhang Z. Y., Zhao H., Zhao H. Y., Zhao X. F., Zhou C. Y., Zhou Y., Zhu X., Zhu Y., Zimmer S., An, Q., Asfandiyarov, R., Azzarello, P., Bernardini, P., Bi, X. J., Cai, M. S., Chang, J., Chen, D. Y., Chen, H. F., Chen, J. L., Chen, W., Cui, M. Y., Cui, T. S., Dai, H. T., D'Amone, A., De Benedittis, A., De Mitri, I., Di Santo, M., Ding, M., Dong, T. K., Dong, Y. F., Dong, Z. X., Donvito, G., Droz, D., Duan, J. L., Duan, K. K., D'Urso, D., Fan, R. R., Fan, Y. Z., Fang, F., Feng, C. Q., Feng, L., Fusco, P., Gallo, V., Gan, F. J., Gao, M., Gargano, F., Gong, K., Gong, Y. Z., Guo, D. Y., Guo, J. H., Guo, X. L., Han, S. X., Hu, Y. M., Huang, G. S., Huang, X. Y., Huang, Y. Y., Ionica, M., Jiang, W., Jin, X., Kong, J., Lei, S. J., Li, S., Li, W. L., Li, X., Li, X. Q., Li, Y., Liang, Y. F., Liang, Y. M., Liao, N. H., Liu, C. M., Liu, H., Liu, J., Liu, S. B., Liu, W. Q., Liu, Y., Loparco, F., Luo, C. N., Ma, M., Ma, P. X., Ma, S. Y., Ma, T., Ma, X. Y., Marsella, G., Mazziotta, M. N., Mo, D., Niu, X. Y., Pan, X., Peng, W. X., Peng, X. Y., Qiao, R., Rao, J. N., Salinas, M. M., Shang, G. Z., Shen, W. H., Shen, Z. Q., Shen, Z. T., Song, J. X., Su, H., Su, M., Sun, Z. Y., Surdo, A., Teng, X. J., Tykhonov, A., Vitillo, S., Wang, C., Wang, H., Wang, H. Y., Wang, J. Z., Wang, L. G., Wang, Q., Wang, S., Wang, X. H., Wang, X. L., Wang, Y. F., Wang, Y. P., Wang, Y. Z., Wang, Z. M., Wei, D. M., Wei, J. J., Wei, Y. F., Wen, S. C., Wu, D., Wu, J., Wu, L. B., Wu, S. S., Wu, X., Xi, K., Xia, Z. Q., Xu, H. T., Xu, Z. H., Xu, Z. L., Xu, Z. Z., Xue, G. F., Yang, H. B., Yang, P., Yang, Y. Q., Yang, Z. L., Yao, H. J., Yu, Y. H., Yuan, Q., Yue, C., Zang, J. J., Zhang, F., Zhang, J. Y., Zhang, J. Z., Zhang, P. F., Zhang, S. X., Zhang, W. Z., Zhang, Y., Zhang, Y. J., Zhang, Y. L., Zhang, Y. P., Zhang, Y. Q., Zhang, Z., Zhang, Z. Y., Zhao, H., Zhao, H. Y., Zhao, X. F., Zhou, C. Y., Zhou, Y., Zhu, X., Zhu, Y., and Zimmer, S.
Subjects: dark matter, cosmic rays, space, Proton, Milky Way, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, FOS: Physical sciences, Cosmic ray, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Kinetic energy, 01 natural sciences, 0103 physical sciences, 010306 general physics, Nuclear Experiment, Research Articles, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Spectral index, Multidisciplinary, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Settore FIS/01 - Fisica Sperimentale, SciAdv r-articles, Physics::Accelerator Physics, High Energy Physics::Experiment, Astrophysics - High Energy Astrophysical Phenomena, Research Article
Abstract: DAMPE satellite has directly measured the cosmic ray proton spectrum from 40 GeV to 100 TeV and revealed a new feature at about 13.6 TeV., The precise measurement of the spectrum of protons, the most abundant component of the cosmic radiation, is necessary to understand the source and acceleration of cosmic rays in the Milky Way. This work reports the measurement of the cosmic ray proton fluxes with kinetic energies from 40 GeV to 100 TeV, with 2 1/2 years of data recorded by the DArk Matter Particle Explorer (DAMPE). This is the first time that an experiment directly measures the cosmic ray protons up to ~100 TeV with high statistics. The measured spectrum confirms the spectral hardening at ~300 GeV found by previous experiments and reveals a softening at ~13.6 TeV, with the spectral index changing from ~2.60 to ~2.85. Our result suggests the existence of a new spectral feature of cosmic rays at energies lower than the so-called knee and sheds new light on the origin of Galactic cosmic rays.
Published: 2019

45. Measurement of the Cosmic-ray Proton + Helium Spectrum with DAMPE

Author: Ivan De Mitri, Zhao-Min Wang, Ines Valino, G. Marsella, and Guillermo Torralba Elipe
Subjects: Physics, Nuclear physics, Range (particle radiation), Proton, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Gamma ray, High Energy Physics::Experiment, Cosmic ray, Electron, Scintillator, Electric charge
Abstract: The DAMPE (Dark Matter Particle Explorer) is a powerful space-borne experiment for direct detection of high-energy cosmic rays, electrons and gamma rays. While it was designed mainly to search for dark matter signatures in the electron and photon spectra, DAMPE distinguishes itself also by its capability to study the cosmic-ray fluxes of the primary species with unprecedented resolution (better than 40% at 800 GeV) in an energy range from few tens of GeV up to 100 TeV. The selection of the incoming particle is done by means of the Plastic Scintillator Detector (PSD), whose signal is proportional to the square of its electric charge. Selecting the H + He samples has the advantage of almost no background and very high purity. Here we present the preliminary results of the measurement of the proton + helium energy spectrum measured from 50 GeV to 30 TeV. The observed spectral features are also discussed and the results are compared with other measurements.
Published: 2019
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46. Multi-Messenger Physics With the Pierre Auger Observatory

Author: A. Aab, P. Abreu, M. Aglietta, I. F. M. Albuquerque, J. M. Albury, I. Allekotte, A. Almela, J. Alvarez Castillo, J. Alvarez-Muñiz, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, H. Asorey, P. Assis, G. Avila, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R. J. Barreira Luz, S. Baur, K. H. Becker, J. A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, P. L. Biermannb, J. Biteau, S. G. Blaess, A. Blanco, J. Blazek, C. Bleve, M. Boháˇcová, D. Boncioli, C. Bonifazi, N. Borodai, A. M. Botti, J. Bracke, T. Bretz, A. Bridgeman, F. L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, K. S. Caballero-Mora, L. Caccianiga, L. Calcagni, A. Cancio, F. Canfora, J. M. Carceller, R. Caruso, A. Castellina, F. Catalani, G. Cataldi, L. Cazon, M. Cerda, J. A. Chinellato, J. Chudoba, L. Chytka, R. W. Clay, A. C. Cobos Cerutti, R. Colalillo, A. Coleman, M. R. Coluccia, R. Conceição, A. Condorelli, G. Consolati, F. Contreras, F. Convenga, M. J. Cooper, S. Coutu, C. E. Covault, B. Daniel, S. Dasso, K. Daumiller, B. R. Dawson, J. A. Day, R. M. de Almeida, S. J. de Jong, G. De Mauro, J. R. T. de Mello Neto, I. De Mitri, J. de Oliveira, F. O. de Oliveira Salles, V. de Souza, J. Debatin, M. del Río, O. Deligny, N. Dhital, M. L. Díaz Castro, F. Diogo, C. Dobrigkeit, J. C. D’Olivo, Q. Dorosti, R. C. dos Anjos, M. T. Dova, A. Dundovic, J. Ebr, R. Engel, M. Erdmann, C. O. Escobarc, A. Etchegoyen, H. Falcke, J. Farmer, G. Farrar, A. C. Fauth, N. Fazzinic, F. Feldbusch, F. Fenu, L. P. Ferreyro, J. M. Figueira, A. Filipˇciˇc, M. M. Freire, T. Fujii, f, A. Fuster, B. García, H. Gemmeke, A. Gherghel-Lascu, P. L. Ghia, U. Giaccari, M. Giammarchi, M. Giller, D. Głas, J. Glombitza, F. Gobbi, G. Golup, M. Gómez Berisso, P. F. Gómez Vitale, J. P. Gongora, N. González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, E. Guido, R. Halliday, M. R. Hampel, P. Hansen, D. Harari, T. A. Harrison, V. M. Harvey, A. Haungs, T. Hebbeker, D. Heck, P. Heimann, G. C. Hill, C. Hojvatc, E. M. Holt, P. Homola, J. R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, J. Hulsman, A. Insolia, P. G. Isar, I. Jandt, J. A. Johnsen, M. Josebachuili, J. Jurysek, A. Kääpä, K. H. Kampert, B. Keilhauer, N. Kemmerich, J. Kemp, H. O. Klages, M. Kleifges, J. Kleinfeller, R. Krause, D. Kuempel, G. Kukec Mezek, A. Kuotb Awad, B. L. Lago, D. LaHurd, R. G. Lang, R. Legumina, M. A. Leigui de Oliveira, V. Lenok, A. Letessier-Selvon, I. Lhenry-Yvon, O. C. Lippmann, D. Lo Presti, L. Lopes, R. López, A. López Casado, R. Lorek, Q. Luce, A. Lucero, M. Malacari, G. Mancarella, D. Mandat, B. C. Manning, P. Mantschc, A. G. Mariazzi, I. C. Mari¸s, G. Marsella, D. Martello, H. Martinez, O. Martínez Bravo, M. Mastrodicasa, H. J. Mathes, S. Mathys, J. Matthews, G. Matthiae, E. Mayotte, P. O. Mazurc, G. Medina-Tanco, D. Melo, A. Menshikov, K. -D. Merenda, S. Michal, M. I. Micheletti, L. Middendorf, L. Miramonti, B. Mitrica, D. Mockler, S. Mollerach, F. Montanet, C. Morello, G. Morlino, M. Mostafá, A. L. Müller, M. A. Muller, d, S. Müller, R. Mussa, L. Nellen, P. H. Nguyen, M. Niculescu-Oglinzanu, M. Niechciol, D. Nitz, g, D. Nosek, V. Novotny, L. Nožka, A Nucita, L. A. Núñez, F. Oikonomou, i, A. Olinto, M. Palatka, J. Pallotta, M. P. Panetta, P. Papenbreer, G. Parente, A. Parra, M. Pech, F. Pedreira, J. Pe¸kala, R. Pelayo, J. Peña-Rodriguez, L. A. S. Pereira, M. Perlin, L. Perrone, C. Peters, S. Petrera, J. Phuntsok, T. Pierog, M. Pimenta, V. Pirronello, M. Platino, J. Poh, B. Pont, C. Porowski, R. R. Prado, P. Privitera, M. Prouza, A. Puyleart, S. Querchfeld, S. Quinn, R. Ramos-Pollan, J. Rautenberg, D. Ravignani, M. Reininghaus, J. Ridky, F. Riehn, M. Risse, P. Ristori, V. Rizi, W. Rodrigues de Carvalho, J. Rodriguez Rojo, M. J. Roncoroni, M. Roth, E. Roulet, A. C. Rovero, P. Ruehl, S. J. Saffi, A. Saftoiu, F. Salamida, H. Salazar, G. Salina, J. D. Sanabria Gomez, F. Sánchez, E. M. Santos, E. Santos, F. Sarazin, R. Sarmento, C. Sarmiento-Cano, R. Sato, P. Savina, M. Schauer, V. Scherini, H. Schieler, M. Schimassek, M. Schimp, F. Schlüter, D. Schmidt, O. Scholten, P. Schovánek, F. G. Schröder, S. Schröder, J. Schumacher, S. J. Sciutto, M. Scornavacche, R. C. Shellard, G. Sigl, G. Silli, O. Sima, h, R. Šmída, G. R. Snow, P. Sommers, J. F. Soriano, J. Souchard, R. Squartini, D. Stanca, S. Staniˇc, J. Stasielak, P. Stassi, M. Stolpovskiy, A. Streich, F. Suarez, M. Suárez-Durán, T. Sudholz, T. Suomijärvi, A. D. Supanitsky, J. Šupík, Z. Szadkowski, A. Taboada, O. A. Taborda, A. Tapia, C. Timmermans, C. J. Todero Peixoto, B. Tomé, G. Torralba Elipe, A. Travaini, P. Travnicek, M. Trini, M. Tueros, R. Ulrich, M. Unger, M. Urban, J. F. Valdés Galicia, I. Valiño, L. Valore, P. van Bodegom, A. M. van den Berg, A. van Vliet, E. Varela, B. Vargas Cárdenas, D. Veberiˇc, C. Ventura, I. D. Vergara Quispe, V. Verzi, J. Vicha, L. Villaseñor, J. Vink, S. Vorobiov, H. Wahlberg, A. A. Watsona, M. Weber, A. Weindl, M. Wiede´nski, L. Wiencke, H. Wilczy´nski, T. Winchen, M. Wirtz, D. Wittkowski, B. Wundheiler, L. Yang, A. Yushkov, E. Zas, D. Zavrtanik, M. Zavrtanik, L. Zehrer, A. Zepeda, B. Zimmermann, M. Ziolkowski, Z. Zong, F. Zuccarello, Aab, A., Abreu, P., Aglietta, M., Albuquerque, I. F. M., Albury, J. M., Allekotte, I., Almela, A., Alvarez Castillo, J., Alvarez-Muñiz, J., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Bakalova, A., Balaceanu, A., Barbato, F., Barreira Luz, R. J., Baur, S., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermannb, P. L., Biteau, J., Blaess, S. G., Blanco, A., Blazek, J., Bleve, C., Boháˇcová, M., Boncioli, D., Bonifazi, C., Borodai, N., Botti, A. M., Bracke, J., Bretz, T., Bridgeman, A., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Calcagni, L., Cancio, A., Canfora, F., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Cerda, M., Chinellato, J. A., Chudoba, J., Chytka, L., Clay, R. W., Cobos Cerutti, A. C., Colalillo, R., Coleman, A., Coluccia, M. R., Conceição, R., Condorelli, A., Consolati, G., Contreras, F., Convenga, F., Cooper, M. J., Coutu, S., Covault, C. E., Daniel, B., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jong, S. J., De Mauro, G., de Mello Neto, J. R. T., De Mitri, I., de Oliveira, J., de Oliveira Salles, F. O., de Souza, V., Debatin, J., del Río, M., Deligny, O., Dhital, N., Díaz Castro, M. L., Diogo, F., Dobrigkeit, C., D’Olivo, J. C., Dorosti, Q., dos Anjos, R. C., Dova, M. T., Dundovic, A., Ebr, J., Engel, R., Erdmann, M., Escobarc, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzinic, N., Feldbusch, F., Fenu, F., Ferreyro, L. P., Figueira, J. M., Filipˇciˇc, A., Freire, M. M., Fujii, T., F, Fuster, A., García, B., Gemmeke, H., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Głas, D., Glombitza, J., Gobbi, F., Golup, G., Gómez Berisso, M., Gómez Vitale, P. F., Gongora, J. P., González, N., Goos, I., Góra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harrison, T. A., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Heimann, P., Hill, G. C., Hojvatc, C., Holt, E. M., Homola, P., Hörandel, J. R., Horvath, P., Hrabovský, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Jandt, I., Johnsen, J. A., Josebachuili, M., Jurysek, J., Kääpä, A., Kampert, K. H., Keilhauer, B., Kemmerich, N., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Krause, R., Kuempel, D., Kukec Mezek, G., Kuotb Awad, A., Lago, B. L., Lahurd, D., Lang, R. G., Legumina, R., Leigui de Oliveira, M. A., Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Lippmann, O. C., Lo Presti, D., Lopes, L., López, R., López Casado, A., Lorek, R., Luce, Q., Lucero, A., Malacari, M., Mancarella, G., Mandat, D., Manning, B. C., Mantschc, P., Mariazzi, A. G., Mari¸s, I. C., Marsella, G., Martello, D., Martinez, H., Martínez Bravo, O., Mastrodicasa, M., Mathes, H. J., Mathys, S., Matthews, J., Matthiae, G., Mayotte, E., Mazurc, P. O., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Middendorf, L., Miramonti, L., Mitrica, B., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Morlino, G., Mostafá, M., Müller, A. L., Muller, M. A., D, Müller, S., Mussa, R., Nellen, L., Nguyen, P. H., Niculescu-Oglinzanu, M., Niechciol, M., Nitz, D., G, Nosek, D., Novotny, V., Nožka, L., Nucita, A, Núñez, L. A., Oikonomou, F., I, Olinto, A., Palatka, M., Pallotta, J., Panetta, M. P., Papenbreer, P., Parente, G., Parra, A., Pech, M., Pedreira, F., Pe¸kala, J., Pelayo, R., Peña-Rodriguez, J., Pereira, L. A. S., Perlin, M., Perrone, L., Peters, C., Petrera, S., Phuntsok, J., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Poh, J., Pont, B., Porowski, C., Prado, R. R., Privitera, P., Prouza, M., Puyleart, A., Querchfeld, S., Quinn, S., Ramos-Pollan, R., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., Rodrigues de Carvalho, W., Rodriguez Rojo, J., Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Salina, G., Sanabria Gomez, J. D., Sánchez, F., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schauer, M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schlüter, F., Schmidt, D., Scholten, O., Schovánek, P., Schröder, F. G., Schröder, S., Schumacher, J., Sciutto, S. J., Scornavacche, M., Shellard, R. C., Sigl, G., Silli, G., Sima, O., H, Šmída, R., Snow, G. R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stanca, D., Staniˇc, S., Stasielak, J., Stassi, P., Stolpovskiy, M., Streich, A., Suarez, F., Suárez-Durán, M., Sudholz, T., Suomijärvi, T., Supanitsky, A. D., Šupík, J., Szadkowski, Z., Taboada, A., Taborda, O. A., Tapia, A., Timmermans, C., Todero Peixoto, C. J., Tomé, B., Torralba Elipe, G., Travaini, A., Travnicek, P., Trini, M., Tueros, M., Ulrich, R., Unger, M., Urban, M., Valdés Galicia, J. F., Valiño, I., Valore, L., van Bodegom, P., van den Berg, A. M., van Vliet, A., Varela, E., Vargas Cárdenas, B., Veberiˇc, D., Ventura, C., Vergara Quispe, I. D., Verzi, V., Vicha, J., Villaseñor, L., Vink, J., Vorobiov, S., Wahlberg, H., Watsona, A. A., Weber, M., Weindl, A., Wiede´nski, M., Wiencke, L., Wilczy´nski, H., Winchen, T., Wirtz, M., Wittkowski, D., Wundheiler, B., Yang, L., Yushkov, A., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Zimmermann, B., Ziolkowski, M., Zong, Z., Zuccarello, F., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Pierre Auger, Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Kampert, Karl-Heinz, Alejandro Mostafa, Miguel, Zas, Enrique, Guarino, F, Physics, Astronomy and Astrophysics Research Group, and Elementary Particle Physics
Subjects: HIGH-ENERGY NEUTRINOS, high energy neutrino, Astronomy, compact binary mergers, high energy neutrinos, high energy neutrons, high energy photons, multi-messenger astrophysics, UHECR, astro-ph.HE, PHOTONS, 01 natural sciences, 7. Clean energy, energy [n], lcsh:QB1-991, energy [cosmic radiation], HESS, LIGO, 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, AIR-SHOWERS, energy: high, ORIGIN, Astrophysics::Instrumentation and Methods for Astrophysics, high energy photon, DETETORES, COSMIC-RAYS, photon: energy, multi-messenger astrophysic, neutrino: UHE, BURST, UHE [neutrino], Auger, observatory, compact [binary], high [energy], ddc:620, Astrophysics - High Energy Astrophysical Phenomena, performance, radiation: electromagnetic, FLUORESCENCE DETECTOR, lcsh:Astronomy, Astrophysics::High Energy Astrophysical Phenomena, UHE [cosmic radiation], cosmic radiation: energy, FOS: Physical sciences, ACCELERATION, n: energy, high energy neutron, 0103 physical sciences, High Energy Physics, cosmic radiation: UHE, Pierre Auger Observatory, 010308 nuclear & particles physics, lcsh:QC801-809, energy [photon], Astronomy and Astrophysics, Généralités, binary: compact, flux, messenger, electromagnetic [radiation], lcsh:Geophysics. Cosmic physics, VIRGO, correlation, Experimental High Energy Physics, galaxy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: An overview of the multi-messenger capabilities of the Pierre Auger Observatory is presented. The techniques and performance of searching for Ultra-High Energy neutrinos, photons and neutrons are described. Some of the most relevant results are reviewed, such as stringent upper bounds that were placed to a flux of diffuse cosmogenic neutrinos and photons, bounds placed on neutrinos emitted from compact binary mergers that were detected by LIGO and Virgo during their first and second observing runs, as well as searches for high energy photons and neutrons from the Galactic center that constrain the properties of the putative Galactic PeVatron, observed by the H.E.S.S. collaboration. The observation of directional correlations between ultra-high energy cosmic rays and either high energy astrophysical neutrinos or specific source populations, weighted by their electromagnetic radiation, are also discussed. They constitute additional multi-messenger approaches aimed at identifying the sources of high energy cosmic rays., SCOPUS: re.j, info:eu-repo/semantics/published
Published: 2019
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47. Search for Gamma-Ray Emission from the Sun during Solar Minimum with the ARGO-YBJ Experiment

Author: C. Y. Wu, Labaciren, Q. Y. Yang, P. Montini, X. H. Ma, C. C. Ning, Haifeng Li, C. Q. Liu, Q. B. Gou, Q. Q. Zhu, L. Zhang, T. L. Chen, Danzengluobu, C. Vigorito, P. Bernardini, R. Santonico, Zhaxisangzhu, Hongbo Hu, Yicheng Guo, A. Surdo, Y. H. Tan, P. R. Shen, X. C. Yang, H. Y. Jia, H. R. Wu, S. Catalanotti, B. Z. Dai, J. Zhao, Huihai He, Zhaoyang Feng, F. R. Zhu, P. Pistilli, H. M. Zhang, H. Lu, Minghui Liu, G. Di Sciascio, X. Y. Zhang, Zihou Li, G. Mancarella, I. De Mitri, T. Di Girolamo, Zhaxiciren, Xiangdong Sheng, R. Iuppa, S. W. Cui, A. F. Yuan, S. Vernetto, S. Z. Chen, A. D'Amone, Cunfeng Feng, H. Wang, S. Mastroianni, Y. J. Zhang, Haibing Hu, B. Bartoli, X. J. Bi, L. Perrone, J. K. K. Liu, L. L. Ma, W. Gao, M. Zha, Zhenyong Feng, X. X. Zhou, P. Vallania, B. D'Ettorre Piazzoli, L. Xue, Z. G. Yao, M. Iacovacci, Zhengguo Cao, F. Shi, P. Salvini, G. Marsella, S. M. Mari, Bartoli B., Bernardini P., Bi X. J., Cao Z., Catalanotti S., Chen S. Z., Chen T. L., Cui S. W., Dai B. Z., D'Amone A., Danzengluobu, Mitri I. D., Piazzoli B. D., Girolamo T. D., Sciascio G. D., Feng C. F., Feng Z., Gao W., Gou Q. B., Guo Y. Q., He H. H., Hu H., Iacovacci M., Iuppa R., Jia H. Y., Labaciren, Li H. J., Li Z., Liu C., Liu J., Liu M. Y., Lu H., Ma L. L., Ma X. H., Mancarella G., Mari S. M., Marsella G., Mastroianni S., Montini P., Ning C. C., Perrone L., Pistilli P., Salvini P., Santonico R., Shen P. R., Sheng X. D., Shi F., Surdo A., Tan Y. H., Vallania P., Vernetto S., Vigorito C., Wang H., Wu C. Y., Wu H. R., Xue L., Yang Q. Y., Yang X. C., Yao Z. G., Yuan A. F., Zha M., Zhang H. M., Zhang L., Zhang X. Y., Zhang Y., Zhao J., Zhaxiciren Zhaxisangzhu, Zhou X. X., Zhu F. R., Zhu Q. Q., Bartoli, B., Bernardini, P., Bi, X. J., Cao, Z., Catalanotti, S., Chen, S. Z., Chen, T. L., Cui, S. W., Dai, B. Z., D'Amone, A., Mitri, I. D., Piazzoli, B. D., Girolamo, T. D., Sciascio, G. D., Feng, C. F., Feng, Z., Gao, W., Gou, Q. B., Guo, Y. Q., He, H. H., Hu, H., Iacovacci, M., Iuppa, R., Jia, H. Y., Li, H. J., Li, Z., Liu, C., Liu, J., Liu, M. Y., Lu, H., Ma, L. L., Ma, X. H., Mancarella, G., Mari, S. M., Marsella, G., Mastroianni, S., Montini, P., Ning, C. C., Perrone, L., Pistilli, P., Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, H., Wu, C. Y., Wu, H. R., Xue, L., Yang, Q. Y., Yang, X. C., Yao, Z. G., Yuan, A. F., Zha, M., Zhang, H. M., Zhang, L., Zhang, X. Y., Zhang, Y., Zhao, J., Zhaxiciren, Zhaxisangzhu, Zhou, X. X., Zhu, F. R., Zhu, Q. Q., D’Amone, A., Danzengluobu, Null, Mitri, I. De, Piazzoli, B. D’Ettorre, Di Girolamo, T., Sciascio, G. Di, Feng, Zhaoyang, Feng, Zhenyong, Hu, Haibing, Hu, Hongbo, Labaciren, Null, Zhaxiciren, Null, and Zhaxisangzhu, Null
Subjects: Solar minimum, Sun: general, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Cosmic ray, astroparticle physics, cosmic rays, gamma rays: general, 7. Clean energy, 01 natural sciences, Atmosphere, 0103 physical sciences, general [Sun], 010303 astronomy & astrophysics, Argo, cosmic ray, High Energy Astrophysical Phenomena (astro-ph.HE), Astroparticle physics, Physics, 010308 nuclear & particles physics, Settore FIS/01 - Fisica Sperimentale, Gamma ray, Astronomy, astroparticle physic, Astronomy and Astrophysics, 13. Climate action, Space and Planetary Science, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, general [gamma rays]
Abstract: The hadronic interaction of cosmic rays with solar atmosphere can produce high energy gamma-rays. The gamma-ray luminosity is correlated both with the flux of primary cosmic rays and the intensity of the solar magnetic field. The gamma-rays below 200 GeV have been observed by Fermi without any evident energy cutoff. The bright gamma-ray flux above 100 GeV has been detected only during solar minimum. The only available data in the TeV range come from the HAWC observations, however, outside the solar minimum. The ARGO-YBJ data set has been used to search for sub-TeV/TeV gamma-rays from the Sun during the solar minimum from 2008 to 2010, the same time period covered by the Fermi data. A suitable model containing the Sun shadow, solar disk emission, and inverse-Compton emission has been developed, and the chi-square minimization method was used to quantitatively estimate the disk gamma-ray signal. The result shows that no significant gamma-ray signal is detected and upper limits to the gamma-ray flux at 0.3-7 TeV are set at the 95% confidence level. In the low energy range these limits are consistent with the extrapolation of the Fermi-LAT measurements taken during solar minimum and are compatible with a softening of the gamma-ray spectrum below 1 TeV. They also provide an experimental upper bound to any solar disk emission at TeV energies. Models of dark matter annihilation via long-lived mediators predicting gamma-ray fluxes >10-7 GeV cm-2 s-1 below 1 TeV are ruled out by the ARGO-YBJ limits.
Published: 2019

48. A charge reconstruction algorithm for DAMPE silicon microstrip detectors

Author: P. Azzarello, S. Garrappa, Yaqing Liu, M. Pohl, A. Nardinocchi, Yi-Fan Dong, F. Gargano, Wenxi Peng, Maria Ionica, Min Gao, G. Marsella, M. Domenjoz, F. Loparco, Andrii Tykhonov, Ruirui Fan, Jiawei Yang, Di Wu, P. Fusco, Hao Zhao, Marc Weber, Xingzhu Cui, C. Husi, J. Z. Wang, Huanyu Wang, Guang-Qi Dai, M. Duranti, V. Gallo, Mn Mazziotta, D. La Marra, R. Asfandiyarov, G. Ambrosi, Franck Cadoux, S. Vitillo, V. Postolache, Paolo Bernardini, G. Pelleriti, Dongya Guo, Rui Qiao, M. Caprai, Fei Zhang, Xin Wu, A. Bolognini, Xiaohua Liang, Ke Gong, Bruna Bertucci, L. Nicola, I. De Mitri, A. Surdo, Qiao, R., Peng, W. -X., Ambrosi, G., Asfandiyarov, R., Azzarello, P., Bernardini, P., Bertucci, B., Bolognini, A., Cadoux, F., Caprai, M., Cui, X. -Z., Dai, G. -Q., Domenjoz, M., Dong, Y. -F., Duranti, M., Fan, R. -R., Fusco, P., Gallo, V., Gao, M., Gargano, F., Garrappa, S., Gong, K., Guo, D. -Y., Husi, C., Ionica, M., Liang, X. -H., Liu, Y. -Q., Loparco, F., La Marra, D., Marsella, G., Mazziotta, M. N., De Mitri, I., Nardinocchi, A., Nicola, L., Pelleriti, G., Pohl, M., Postolache, V., Surdo, A., Tykhonov, A., Vitillo, S., Wang, H. -Y., Wang, J. -Z., Weber, M., Wu, D., Wu, X., Yang, J. -W., Zhang, F., Zhao, H., Qiao R., Peng W. -X., Ambrosi G., Asfandiyarov R., Azzarello P., Bernardini P., Bertucci B., Bolognini A., Cadoux F., Caprai M., Cui X. -Z., Dai G. -Q., Domenjoz M., Dong Y. -F., Duranti M., Fan R. -R., Fusco P., Gallo V., Gao M., Gargano F., Garrappa S., Gong K., Guo D. -Y., Husi C., Ionica M., Liang X. -H., Liu Y. -Q., Loparco F., La Marra D., Marsella G., Mazziotta M. N., De Mitri I., Nardinocchi A., Nicola L., Pelleriti G., Pohl M., Postolache V., Surdo A., Tykhonov A., Vitillo S., Wang H. -Y., Wang J. -Z., Weber M., Wu D., Wu X., Yang J. -W., Zhang F., and Zhao H.
Subjects: Physics, Nuclear and High Energy Physics, Photon, Large Hadron Collider, Ion beam, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Charge reconstruction, STK, Settore FIS/01 - Fisica Sperimentale, Reconstruction algorithm, Electron, 01 natural sciences, Charged particle, Charge sharing, Ion, Nuclear physics, Silicon microstrip detector, 0103 physical sciences, DAMPE, High Energy Physics::Experiment, 010303 astronomy & astrophysics, Instrumentation
Abstract: The DArk Matter Particle Explorer (DAMPE) can detect electrons and photons from 5 GeV to 10 TeV and charged nuclei from a few tens of GeV to 100 TeV. The silicon–tungstentracker (STK), which is composed of 768 singled-sided silicon microstrip detectors, is one of four subdetectors in DAMPE providing photon conversion , track reconstruction, and charge identification for relativistic charged particles. This paper focuses on the charge identification performance of the STK detector. The charge response depends mainly on the incident angle and the impact position of the incoming particle. To improve the charge resolution, a reconstruction algorithm to correct for these parameters was tested during a test beam campaign conducted with a high-intensity ion beam at CERN. This algorithm was successfully applied to the ion test beam and the ion charge of Z=4 ∼ 10 and was successfully reconstructed for both normal and 9°incident beams.
Published: 2019

49. In-flight performance of the DAMPE silicon tracker

Author: Weiwei Peng, Rui Qiao, Xin Wu, Maria Ionica, M. Duranti, R. Asfandiyarov, G. Ambrosi, P. Azzarello, A. Surdo, G. Marsella, V. Vagelli, A. De Benedittis, S. Vitillo, P. Fusco, Andrii Tykhonov, M. M. Salinas, Min Gao, Hai-Hui Zhao, F. Loparco, Jun-jing Wang, Ruirui Fan, Keyun Gong, Juan Zhang, M. N. Mazziotta, D. La Marra, F. Gargano, P. Bernardini, Stefan Zimmer, A. D'Amone, Yi-Fan Dong, A. Bolognini, Fan Zhang, Zhao-Min Wang, Franck Cadoux, M. Di Santo, B. Bertucci, V. Gallo, S. Garrappa, D. D'Urso, Diru Wu, I. De Mitri, Haoning Wang, Tykhonov, A., Ambrosi, G., Asfandiyarov, R., Azzarello, P., Bernardini, P., Bertucci, B., Bolognini, A., Cadoux, F., D'Amone, A., De Benedittis, A., De Mitri, I., Di Santo, M., Dong, Y. F., Duranti, M., D'Urso, D., Fan, R. R., Fusco, P., Gallo, V., Gao, M., Gargano, F., Garrappa, S., Gong, K., Ionica, M., La Marra, D., Loparco, F., Marsella, G., Mazziotta, M. N., Peng, W. X., Qiao, R., Salinas, M. M., Surdo, A., Vagelli, V., Vitillo, S., Wang, H. Y., Wang, J. Z., Wang, Z. M., Wu, D., Wu, X., Zhang, F., Zhang, J. Y., Zhao, H., and Zimmer, S.
Subjects: Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Gamma ray, Dark matter, FOS: Physical sciences, Cosmic ray, Scintillator, 01 natural sciences, 7. Clean energy, Optics, 0103 physical sciences, Neutron detection, 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Cosmic rays, Instrumentation, Nuclear and High Energy Physic, Astroparticle physics, Physics, Calorimeter (particle physics), 010308 nuclear & particles physics, business.industry, Settore FIS/01 - Fisica Sperimentale, Detector, Gamma rays, Instrumentation and Detectors (physics.ins-det), Spaceborne experiment, Silicon tracker, High Energy Physics::Experiment, Astrophysics - Instrumentation and Methods for Astrophysics, business
Abstract: DAMPE (DArk Matter Particle Explorer) is a spaceborne high-energy cosmic ray and gamma-ray detector , successfully launched in December 2015. It is designed to probe astroparticle physics in the broad energy range from few GeV to 100 TeV. The scientific goals of DAMPE include the identification of possible signatures of Dark Matter annihilation or decay, the study of the origin and propagation mechanisms of cosmic-ray particles, and gamma-ray astronomy . DAMPE consists of four sub-detectors: a plastic scintillator strip detector, a Silicon–Tungsten tracKer–converter (STK), a BGO calorimeter and a neutron detector . The STK is composed of six double layers of single-sided silicon micro-strip detectors interleaved with three layers of tungsten for photon conversions into electron–positron pairs . The STK is a crucial component of DAMPE, allowing to determine the direction of incoming photons, to reconstruct tracks of cosmic rays and to estimate their absolute charge (Z). We present the in-flight performance of the STK based on two years of in-flight DAMPE data, which includes the noise behavior, signal response, thermal and mechanical stability, alignment and position resolution.
Published: 2019

50. The on-orbit calibration of DArk Matter Particle Explorer

Author: Chang Qing Feng, A. D'Amone, X.Q. Ma, K. Gong, D. Mo, R. Asfandiyarov, G. Ambrosi, Y. M. Hu, Peng-Xiong Ma, Xun Feng Zhao, Zhi Hui Xu, Jinglai Duan, Tianxiao Ma, G. Z. Shang, H. T. Xu, C. Liu, X. Y. Ma, M. Y. Cui, S. C. Wen, Chenchen Wang, J. J. Zang, Deng Yi Chen, Xixian Wang, M. M. Salinas, Niu Xiaoyang, Yaping Wang, Shanta M. Zimmer, J. N. Rao, Haiqiong Wang, Da Ming Wei, Z. Y. Sun, Hao Ting Dai, V. Gallo, Q. An, Peidong Yang, Honglong Wang, D. D’Urso, Yuan Zhu Wang, Xiulian Pan, W. Zhang, I. De Mitri, H. Liu, Yang Haibo, Wei Liang Li, D.L. Zhang, H. S. Chen, Min Gao, Li Bo Wu, A. De Benedittis, Wangli Chen, Xi Zhu, Shuyao Li, X.B. Tian, Paolo Bernardini, J.N. Dong, Sha Wu, Y. Q. Zhang, Hu-Rong Yao, Kai-Kai Duan, Y. F. Wei, Jin Chang, Jiangtao Guo, F. J. Gan, S. Y. Ma, Wei Jiang, Z. Q. Xia, Yifan Yang, L. G. Wang, P. Azzarello, Y. J. Zhang, F. Gargano, Zhenyu Zhang, Maria Ionica, Jie Kong, Y. F. Liang, Yali Zhou, Jing Xing Song, M. Di Santo, Xin Wu, Y. F. Wang, R. R. Fan, R. Qiao, M. Caragiulo, Yuqing Fan, N. H. Liao, Jindan Zhang, Qian Wang, Y.L. Xin, Jie Liu, Zhoubin Zhang, Y. H. Yu, Zhao-Qiang Shen, T. S. Cui, Zhao-Min Wang, Yun Long Zhang, Yao Ming Liang, G. F. Xue, Shengxia Zhang, Zhongjie Yang, J. J. Wei, Z. Xu, Dan Jiang, F. Loparco, Laiyu Zhang, S. Vitillo, X. L. Wang, Wei Liu, Y. Zhang, Yongxiang Liu, J.B. Zhang, J. L. Chen, Qing Yuan, Meng Su, Z.Z. Xu, G. Marsella, Andrii Tykhonov, S. Wang, X. J. Teng, Tie-Kuang Dong, M. M. Ma, Zhang Yalan, Shi-Jun Lei, D. Droz, Fengtao Zhang, Huan Zhao, S. B. Liu, M. N. Mazziotta, H. Su, A. Surdo, Jin Zhou Wang, S. Garrappa, W. H. Shen, Yinlian Zhu, Z. T. Shen, Pengchao Zhang, Guang Shun Huang, Fang Fang, X. X. Li, Hong Yun Zhao, M. S. Cai, W. X. Peng, Y. Li, Y. Z. Gong, Z. X. Dong, Chang Yi Zhou, X. Y. Peng, Lingyan Feng, K. Xi, Jindong Zhang, Di Wu, Jian Wu, Chuan Yue, Y. Y. Huang, P. Fusco, Y. F. Dong, Shan-Shan Gao, Manyu Ding, Xian-Min Jin, Ambrosi, G., An, Q., Asfandiyarov, R., Azzarello, P., Bernardini, P., Cai, M. S., Caragiulo, M., Chang, J., Chen, D. Y., Chen, H. F., Chen, J. L., Chen, W., Cui, M. Y., Cui, T. S., Dai, H. T., D'Amone, A., Benedittis, De, Mitri, De, I., Ding, Di Santo, M., Dong, J. N., Dong, T. K., Dong, Y. F., Dong, Z. X., Droz, D., Duan, K. K., Duan, J. L., D'Urso, D., Fan, R. R., Fan, Y. Z., Iemail, Author, Fang, F., Feng, C. Q., Feng, L., Fusco, P., Gallo, V., Gan, F., Gao, M., Gao, S. S., Gargano, F., Garrappa, S., Gong, K., Gong, Y. Z., Guo, J. H., Email Author, Hu, Y. M., Huang, G. S., Huang, Y. Y., Ionica, M., Jiang, D., Jiang, W., Jin, X., Kong, J., Lei, S. J., Li, S., Li, X., Li, W. L., Li, Y., Liang, Y. F., Liang, Y. M., Liao, N. H., Liu, C. M., Liu, H., Liu, J., Liu, S. B., Liu, W. Q., Liu, Y., Loparco, F., Ma, M., Ma, P. X., Ma, S. Y., Ma, T., Ma, X. Q., Ma, X. Y., Marsella, G., Mazziotta, M. N., Mo, D., Niu, X. Y., Pan, X, Peng, X. Y., Peng, W. X., Qiao, R., Rao, J. N., Salinas, M. M., Shang, G. Z., Shen, W. H., Shen, Z. Q., Shen, Z. T., Song, J. X., Su, H., Su, M., Sun, Z. Y., Surdo, A., Teng, X. J., Tian, X. B., Tykhonov, A., Vitillo, S., Wang, C., Wang, H., Wang, H. Y., Wang, J. Z., Wang, L. G., Wang, Q., Wang, S., Wang, X. H., Wang, X. L., Wang, Y. F., Wang, Y. P., Wang, Y. Z., Wang, Z. M., Wen, S. C., Wei, D. M., Wei J. J., A, Wei Y. F., C, Wu D., J, Wu J., A, H, Wu, L. B., c Wu, S. S., k Wu, X., d Xi, K., j Xia, Z. Q., a h, Xin Y. L., A, Xu H. T., K, Xu Z. H., A, H, Xu, Z. L., a Xu, Z. Z., a Xue, G. F., k Yang, H. B., j Yang, P., j Yang, Y. Q., j Yang, Z. L., j Yao, H. J., j Yu, Y. H., j Yuan, Q., a h, Yue C., A, Zang J. J., A, Zhang D. L., C, Zhang F., M, Zhang J. B., C, Zhang J. Y., M, Zhang J. Z., J, Zhang L., A, I, Zhang, P. F., a Zhang, S. X., j Zhang, W. Z., k Zhang, Y., a i, Zhang Y. J., J, Zhang Y. Q., A, Y. L., c Zhang, Y. P., j Zhang, Z., a Zhang, Z. Y., c Zhao, H., m Zhao, H. Y., j Zhao, X. F., k Zhou, C. Y., k Zhou, Y., j Zhu, X., c Zhu, Y., k Zimmer, Ambrosi G., An Q., Asfandiyarov R., Azzarello P., Bernardini P., Cai M. S., Caragiulo M., Chang J., Chen D. Y., Chen H. F., Chen J. L., Chen W., Cui M. Y., Cui T. S., Dai H. T., D'Amone A., De Beneditti, De Mitri, I. Ding, Dong J. N., Dong T. K., Dong Y. F., Dong Z. X., Droz D., Duan K. K., Duan J. L., D'Urso D., Fan R. R., Fan Y. Z., iEmail Author, Fang F., Feng C. Q., Feng L., Fusco P., Gallo V., Gan F., Gao M., Gao S. S., Gargano F., Garrappa S., Gong K., Gong Y. Z., J. H. Email Author, Hu Y. M., Huang G. S., Huang Y. Y., Ionica M., Jiang D., Jiang W., Jin X., Kong J., Lei S. J., Li S., Li X., Li W. L., Li Y., Liang Y. F., Liang Y. M., Liao N. H., Liu C. M., Liu H., Liu J., Liu S. B., Liu W. Q., Liu Y., Loparco F., Ma M., Ma P. X., Ma S. Y., Ma T., Ma X. Q., Ma X. Y., Marsella G., Mazziotta M. N., Mo D., Niu X. Y., Pan X, Peng X. Y., Peng W. X., Qiao R., Rao J. N., Salinas M. M., Shang G. Z., Shen W. H., Shen Z. Q., Shen Z. T., Song J. X., Su H., Su M., Sun Z. Y., Surdo A., Teng X. J., Tian X. B., Tykhonov A., Vitillo S., Wang C., Wang H., Wang H. Y., Wang J. Z., Wang L. G., Wang Q., Wang S., Wang X. H., Wang X. L., Wang Y. F., Wang Y. P., Wang Y. Z., Wang Z. M., Wen S. C., Wei D. M., Wei J. J. a, Wei Y. F. c, Wu D. j, Wu J. a, h Wu, L. B. c Wu, S. S. k Wu, X. d Xi, K. j Xia, Z. Q. a h, Xin Y. L. a, Xu H. T. k, Xu Z. H. a, h Xu, Z. L. a Xu, Z. Z. a Xue, G. F. k Yang, H. B. j Yang, P. j Yang, Y. Q. j Yang, Z. L. j Yao, H. J. j Yu, Y. H. j Yuan, Q. a h, Yue C. a, Zang J. J. a, Zhang D. L. c, Zhang F. m, Zhang J. B. c, Zhang J. Y. m, Zhang J. Z. j, Zhang L. a, i Zhang, P. F. a Zhang, S. X. j Zhang, W. Z. k Zhang, Y. a i, Zhang Y. J. j, Zhang Y. Q. a, Y. L. c Zhang, Y. P. j Zhang, Z. a Zhang, Z. Y. c Zhao, H. m Zhao, H. Y. j Zhao, X. F. k Zhou, C. Y. k Zhou, Y. j Zhu, X. c Zhu, and Y. k Zimmer
Subjects: Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, FOS: Physical sciences, Cosmic ray, Scintillator, 01 natural sciences, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, Neutron detection, Dark Matter, Instrumentation and Methods for Astrophysics (astro-ph.IM), 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Calorimeter (particle physics), 010308 nuclear & particles physics, Detector, Settore FIS/01 - Fisica Sperimentale, Gamma ray, Astronomy, Astronomy and Astrophysics, Cosmic Rays, South Atlantic Anomaly, High Energy Physics::Experiment, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract: The DArk Matter Particle Explorer (DAMPE), a satellite-based cosmic ray and gamma-ray detector, was launched on December 17, 2015, and began its on-orbit operation on December 24, 2015. In this work we document the on-orbit calibration procedures used by DAMPE and report the calibration results of the Plastic Scintillator strip Detector (PSD), the Silicon-Tungsten tracKer-converter (STK), the BGO imaging calorimeter (BGO), and the Neutron Detector (NUD). The results are obtained using Galactic cosmic rays, bright known GeV gamma-ray sources, and charge injection into the front-end electronics of each sub-detector. The determination of the boundary of the South Atlantic Anomaly (SAA), the measurement of the live time, and the alignments of the detectors are also introduced. The calibration results demonstrate the stability of the detectors in almost two years of the on-orbit operation.
Published: 2019

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