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1. Low-mass dark matter search with the DarkSide-50 experiment

Author: Andrea Gabrieli, A. Oleinik, F. Granato, M. Downing, Rosario Nania, D. A. Semenov, S. Stracka, K. Biery, K. Keeter, L. Pagani, C. Giganti, C. Dionisi, Antonino Zichichi, V. Pesudo, B. R. Hackett, G. Koh, Anton Empl, G. Batignani, M. Orsini, M. La Commara, M. D. Skorokhvatov, F. Pazzona, Fausto Ortica, M. M. Wojcik, B. Baldin, M. Ave, A. Vishneva, D. M. Asner, E. Segreto, R. Milincic, M. Caravati, A. A. Machado, A. Sheshukov, Monica Verducci, P. Garcia Abia, G. Fiorillo, Pierfranco Demontis, A. Monte, D. Hughes, Francesco Ragusa, Giuseppe Baldovino Suffritti, M. H. Hassanshahi, M. Razeti, Ivone F. M. Albuquerque, S. S. Poudel, Yonatan Kahn, I. Kochanek, Nicomede Pelliccia, B. Vogelaar, O. Gorchakov, M. D'Incecco, A. Candela, M. Rescigno, Z. Ye, V. Bocci, G. Di Pietro, H. Qian, S. Davini, C. J. Martoff, S. Sanfilippo, A. L. Renshaw, Ben Loer, A. S. Kubankin, Y. Suvorov, R. Tartaglia, Giovanni Covone, S. Catalanotti, A. G. Cocco, R. Santorelli, C. Savarese, S. Pordes, G. Testera, Xiujiang Li, M. Carlini, A. M. Goretti, A. S. Chepurnov, Chung-Yao Yang, Mariano Cadoni, Andrea Messina, Stefano Giagu, M. Kuss, A. Caminata, K. Pelczar, Cristiano Galbiati, F. Gabriele, A. de Candia, E. Pantic, Q. Riffard, P. N. Singh, T. J. Waldrop, Matteo Morrocchi, K. Herner, F. Di Eusanio, C. Stanford, Luciano Pandola, Severino Angelo Maria Bussino, P. Trinchese, N. Rossi, B. Hosseini, F. Budano, C. Cicalo, G. Korga, T. N. Johnson, E. V. Hungerford, A. Tonazzo, W. Bonivento, Giuseppe Longo, S. Westerdale, P. Cavalcante, Aldo Romani, Al. Ianni, A. Sotnikov, An. Ianni, Yuting Wang, A. Devoto, P. Agnes, E. Edkins, Caoxiang Zhu, M. Cadeddu, V. N. Muratova, B. Bottino, M. Lai, D. Korablev, Paul H. Humble, Vittorio Cataudella, Marco Sant, C. L. Kendziora, Irina James, K. Fomenko, M. Carpinelli, S. De Cecco, Min-Xin Guan, P. D. Meyers, R. Cereseto, Stefano Maria Mari, D. Sablone, G. Bonfini, G. De Rosa, M. Wada, G. Zuzel, Mariangela Lisanti, Siddharth Mishra-Sharma, Frank Calaprice, X. Xiang, J. Maricic, Y. Guardincerri, A. V. Derbin, Yanhui Ma, M. De Deo, B. Reinhold, Paolo Musico, Eugenio Scapparone, A. Fan, M. De Vincenzi, D. A. Pugachev, Luisa Cifarelli, Marisa Gulino, A. K. Alton, Stefano Cavuoti, G. R. Araujo, A. Navrer Agasson, H. O. Back, M. Cariello, B. J. Mount, G. K. Giovanetti, M. Gromov, A. Razeto, C. Ghiano, B. Schlitzer, O. Samoylov, L. Mapelli, O. Smirnov, E. V. Unzhakov, A. O. Nozdrina, A. Pocar, W. Sands, M. Lissia, G. De Filippis, Xiang Xiao, A.V. Shchagin, B. Rossi, Alan Watson, A. Mandarano, E. Paoloni, Hui Wang, Valerio Ippolito, Thomas Alexander, I. N. Machulin, N. Canci, Marco Pallavicini, D. Franco, D. D'Angelo, D. D'Urso, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Araujo, G. R., Asner, D. M., Ave, M., Back, H. O., Baldin, B., Batignani, G., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bottino, B., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Canci, N., Candela, A., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Catalanotti, S., Cataudella, V., Cavalcante, P., Cavuoti, S., Cereseto, R., Chepurnov, A., Cicalò, C., Cifarelli, L., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., D'Urso, D., Davini, S., De Candia, A., De Cecco, S., De Deo, M., De Filippis, G., De Rosa, G., De Vincenzi, M., Demontis, P., Derbin, A. V., Devoto, A., Di Eusanio, F., Di Pietro, G., Dionisi, C., Downing, M., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Franco, D., Gabriele, F., Gabrieli, A., Galbiati, C., Garcia Abia, P., Ghiano, Chiara, Giagu, S., Giganti, C., Giovanetti, G. K., Gorchakov, O., Goretti, A. M., Granato, F., Gromov, M., Guan, M., Guardincerri, Y., Gulino, M., Hackett, B. R., Hassanshahi, M. H., Herner, K., Hosseini, B., Hughes, D., Humble, P., Hungerford, E. V., Ianni, Al., Ianni, An., Ippolito, V., James, I., Johnson, T. N., Kahn, Y., Keeter, K., Kendziora, C. L., Kochanek, I., Koh, G., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lisanti, M., Lissia, M., Loer, B., Longo, G., Ma, Y., Machado, A. A., Machulin, I. N., Mandarano, A., Mapelli, L., Mari, S. M., Maricic, J., Martoff, C. J., Messina, A., Meyers, P. D., Milincic, R., Mishra-Sharma, S., Monte, A., Morrocchi, M., Mount, B. J., Muratova, V. N., Musico, P., Nania, R., Navrer Agasson, A., Nozdrina, A. O., Oleinik, A., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pazzona, F., Pelczar, K., Pelliccia, N., Pesudo, V., Pocar, A., Pordes, S., Poudel, S. S., Pugachev, D. A., Qian, H., Ragusa, F., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sant, M., Santorelli, R., Savarese, C., Scapparone, E., Schlitzer, B., Segreto, E., Semenov, D. A., Shchagin, A., Sheshukov, A., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Stracka, S., Suffritti, G. B., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, B., Wada, M., Waldrop, T. J., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wojcik, M. M., Wojcik, M., Xiang, X., Xiao, X., Yang, C., Ye, Z., Zhu, C., Zichichi, A., Zuzel, G., 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), 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), DarkSide, D’Angelo, D., D’Incecco, M., D’Urso, D., Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), 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), Agnes, P, Albuquerque, I, Alexander, T, Alton, A, Araujo, G, Asner, D, Ave, M, Back, H, Baldin, B, Batignani, G, Biery, K, Bocci, V, Bonfini, G, Bonivento, W, Bottino, B, Budano, F, Bussino, S, Cadeddu, M, Cadoni, M, Calaprice, F, Caminata, A, Canci, N, Candela, A, Caravati, M, Cariello, M, Carlini, M, Carpinelli, M, Catalanotti, S, Cataudella, V, Cavalcante, P, Cavuoti, S, Cereseto, R, Chepurnov, A, Cicalò, C, Cifarelli, L, Cocco, A, Covone, G, D'Angelo, D, D'Incecco, M, D'Urso, D, Davini, S, De Candia, A, De Cecco, S, De Deo, M, De Filippis, G, De Rosa, G, De Vincenzi, M, Demontis, P, Derbin, A, Devoto, A, Di Eusanio, F, Di Pietro, G, Dionisi, C, Downing, M, Edkins, E, Empl, A, Fan, A, Fiorillo, G, Fomenko, K, Franco, D, Gabriele, F, Gabrieli, A, Galbiati, C, Garcia Abia, P, Ghiano, C, Giagu, S, Giganti, C, Giovanetti, G, Gorchakov, O, Goretti, A, Granato, F, Gromov, M, Guan, M, Guardincerri, Y, Gulino, M, Hackett, B, Hassanshahi, M, Herner, K, Hosseini, B, Hughes, D, Humble, P, Hungerford, E, Ianni, A, Ippolito, V, James, I, Johnson, T, Kahn, Y, Keeter, K, Kendziora, C, Kochanek, I, Koh, G, Korablev, D, Korga, G, Kubankin, A, Kuss, M, La Commara, M, Lai, M, Li, X, Lisanti, M, Lissia, M, Loer, B, Longo, G, Ma, Y, Machado, A, Machulin, I, Mandarano, A, Mapelli, L, Mari, S, Maricic, J, Martoff, C, Messina, A, Meyers, P, Milincic, R, Mishra-Sharma, S, Monte, A, Morrocchi, M, Mount, B, Muratova, V, Musico, P, Nania, R, Navrer Agasson, A, Nozdrina, A, Oleinik, A, Orsini, M, Ortica, F, Pagani, L, Pallavicini, M, Pandola, L, Pantic, E, Paoloni, E, Pazzona, F, Pelczar, K, Pelliccia, N, Pesudo, V, Pocar, A, Pordes, S, Poudel, S, Pugachev, D, Qian, H, Ragusa, F, Razeti, M, Razeto, A, Reinhold, B, Renshaw, A, Rescigno, M, Riffard, Q, Romani, A, Rossi, B, Rossi, N, Sablone, D, Samoylov, O, Sands, W, Sanfilippo, S, Sant, M, Santorelli, R, Savarese, C, Scapparone, E, Schlitzer, B, Segreto, E, Semenov, D, Shchagin, A, Sheshukov, A, Singh, P, Skorokhvatov, M, Smirnov, O, Sotnikov, A, Stanford, C, Stracka, S, Suffritti, G, Suvorov, Y, Tartaglia, R, Testera, G, Tonazzo, A, Trinchese, P, Unzhakov, E, Verducci, M, Vishneva, A, Vogelaar, B, Wada, M, Waldrop, T, Wang, H, Wang, Y, Watson, A, Westerdale, S, Wojcik, M, Xiang, X, Xiao, X, Yang, C, Ye, Z, Zhu, C, Zichichi, A, Zuzel, G, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), 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), Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO), Physics::Instrumentation and Detectors, ARGON, Dark matter, General Physics and Astronomy, chemistry.chemical_element, FOS: Physical sciences, S030DI5, dark matter: direct detection, Gravitation and Astrophysics, S030DI1, 01 natural sciences, WIMP: dark matter, Nuclear physics, Physics and Astronomy (all), Ionization, 0103 physical sciences, Nuclear Experiment, 010306 general physics, CAPTURE, SIMULATIONS, CONSTRAINTS, IONIZATION, GALAXIES, AR-39, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Range (particle radiation), Argon, Time projection chamber, 010308 nuclear & particles physics, background, Gran Sasso, time projection chamber, dark matter: scattering, chemistry, Weakly interacting massive particles, High Energy Physics::Experiment, Nucleon, Low Mass, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We present the results of a search for dark matter WIMPs in the mass range below 20 GeV/c^2 using a target of low-radioactivity argon. The data were obtained using the DarkSide-50 apparatus at Laboratori Nazionali del Gran Sasso (LNGS). The analysis is based on the ionization signal, for which the DarkSide-50 time projection chamber is fully efficient at 0.1 keVee. The observed rate in the detector at 0.5 keVee is about 1.5 events/keVee/kg/day and is almost entirely accounted for by known background sources. We obtain a 90% C.L. exclusion limit above 1.8 GeV/c^2 for the spin-independent cross section of dark matter WIMPs on nucleons, extending the exclusion region for dark matter below previous limits in the range 1.8-6 GeV/c^2., 9 pages, 8 figures; submission accepted by journal
Published: 2018

2. Electroluminescence pulse shape and electron diffusion in liquid argon measured in a dual-phase TPC

Author: R. Tartaglia, Monica Verducci, Nicomede Pelliccia, Ivone F. M. Albuquerque, S. Catalanotti, B. Reinhold, A. Oleinik, C. Zhu, P. Trinchese, P. Cavalcante, A. G. Cocco, M. Carpinelli, S. De Cecco, Ben Loer, S. Sanfilippo, C. Savarese, Stefano Giagu, An. Ianni, K. Biery, K. Keeter, I. N. Machulin, V. Bocci, D. D'Urso, V. N. Muratova, G. De Rosa, N. Canci, L. Pagani, Marco Pallavicini, B. Bottino, Andrea Gabrieli, M. D. Skorokhvatov, A. V. Derbin, T. J. Waldrop, Min-Xin Guan, Mariano Cadoni, D. D'Angelo, Q. Riffard, G. Zuzel, D. Korablev, D. Sablone, G. Bonfini, A. Devoto, Frank Calaprice, F. Di Eusanio, X. Xiang, Giovanni Covone, Xiaoyuan Li, C. Cicalo, M. Carlini, Aldo Romani, N. Rossi, M. Kuss, P. Agnes, D. Hughes, P. N. Singh, G. Testera, K. Pelczar, Cristiano Galbiati, F. Pazzona, A. Navrer Agasson, G. Korga, Marco Sant, A. Monte, Luciano Pandola, Z. Ye, G. Batignani, M. Orsini, M. De Vincenzi, Severino Angelo Maria Bussino, A. S. Kubankin, Stefano Cavuoti, M. Wada, M. Ave, S. Walker, Peter Daniel Meyers, Matteo Morrocchi, K. Herner, F. Budano, O. Smirnov, Y. Guardincerri, E. V. Hungerford, M. Caravati, A. A. Machado, Paolo Musico, Pierfranco Demontis, Chung-Yao Yang, Andrea Messina, C. Giganti, B. R. Hackett, M. Rescigno, H. O. Back, A. Fan, Y. Suvorov, I. Kochanek, A. Sotnikov, S. Westerdale, S. Pordes, Fausto Ortica, Yanhui Ma, M. Cariello, A. L. Renshaw, D. M. Asner, M. De Deo, Stefano Maria Mari, G. K. Giovanetti, D. A. Semenov, B. Vogelaar, A. Candela, A. M. Goretti, A. S. Chepurnov, M. Gromov, E. Edkins, A. Razeto, W. Bonivento, G. Di Pietro, Marisa Gulino, J. Maricic, C. Stanford, B. Schlitzer, E. Segreto, E. V. Unzhakov, C. Dionisi, Giuseppe Baldovino Suffritti, T. N. Johnson, A. O. Nozdrina, G. Koh, A. K. Alton, A. Pocar, Vittorio Cataudella, Paul H. Humble, B. Baldin, Marcin Wójcik, B. J. Mount, A. Sheshukov, S. Davini, C. J. Martoff, A. Caminata, F. Gabriele, A. Tonazzo, F. Granato, M. Bossa, B. Rossi, R. Milincic, Yuting Wang, Alan Watson, A. Mandarano, C. L. Kendziora, Irina James, A. Vishneva, M. Razeti, M. Lissia, G. De Filippis, G. Fiorillo, K. Fomenko, M. D'Incecco, Xiang Xiao, H. Qian, A. de Candia, E. Pantic, Giuseppe Longo, M. Cadeddu, W. Sands, C. Ghiano, E. Paoloni, O. Samoylov, Hui Wang, Thomas Alexander, D. Franco, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-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)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), DarkSide, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), 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), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), 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), Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Asner, D. M., Ave, M. P., Back, H. O., Baldin, B., Batignani, G., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bossa, M., Bottino, B., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Canci, N., Candela, A., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Catalanotti, S., Cataudella, V., Cavalcante, P., Cavuoti, S., Chepurnov, A., Cicalò, C., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., D'Urso, D., Davini, S., De Candia, A., De Cecco, S., De Deo, M., De Filippis, G., De Rosa, G., De Vincenzi, M., Demontis, P., Derbin, A. V., Devoto, A., Di Eusanio, F., Di Pietro, G., Dionisi, C., Edkins, E., Fan, A., Fiorillo, G., Fomenko, K., Franco, D., Gabriele, F., Gabrieli, A., Galbiati, C., Ghiano, C., Giagu, S., Giganti, C., Giovanetti, G. K., Goretti, A. M., Granato, F., Gromov, M., Guan, M., Guardincerri, Y., Gulino, M., Hackett, B. R., Herner, K., Hughes, D., Humble, P., Hungerford, E. V., Ianni, An., James, I., Johnson, T. N., Keeter, K., Kendziora, C. L., Kochanek, I., Koh, G., Korablev, D., Korga, G., Kubankin, A., Kuss, M., Li, X., Lissia, M., Loer, B., Longo, G., Ma, Y., Machado, A. A., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Martoff, C. J., Messina, A., Meyers, P. D., Milincic, R., Monte, A., Morrocchi, M., Mount, B. J., Muratova, V. N., Musico, P., Navrer Agasson, A., Nozdrina, A., Oleinik, A., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pazzona, F., Pelczar, K., Pelliccia, N., Pocar, A., Pordes, S., Qian, H., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sant, M., Savarese, C., Schlitzer, B., Segreto, E., Semenov, D. A., Sheshukov, A., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suffritti, G. B., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, B., Wada, M., Waldrop, T. J., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wojcik, M. M., Xiang, X., Xiao, X., Yang, C., Ye, Z., Zhu, C., Zuzel, G., AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Agnes, P, Albuquerque, I, Alexander, T, Alton, A, Asner, D, Ave, M, Back, H, Baldin, B, Batignani, G, Biery, K, Bocci, V, Bonfini, G, Bonivento, W, Bossa, M, Bottino, B, Budano, F, Bussino, S, Cadeddu, M, Cadoni, M, Calaprice, F, Caminata, A, Canci, N, Candela, A, Caravati, M, Cariello, M, Carlini, M, Carpinelli, M, Catalanotti, S, Cataudella, V, Cavalcante, P, Cavuoti, S, Chepurnov, A, Cicalò, C, Cocco, A, Covone, G, D'Angelo, D, D'Incecco, M, D'Urso, D, Davini, S, De Candia, A, De Cecco, S, De Deo, M, De Filippis, G, De Rosa, G, De Vincenzi, M, Demontis, P, Derbin, A, Devoto, A, Di Eusanio, F, Di Pietro, G, Dionisi, C, Edkins, E, Fan, A, Fiorillo, G, Fomenko, K, Franco, D, Gabriele, F, Gabrieli, A, Galbiati, C, Ghiano, C, Giagu, S, Giganti, C, Giovanetti, G, Goretti, A, Granato, F, Gromov, M, Guan, M, Guardincerri, Y, Gulino, M, Hackett, B, Herner, K, Hughes, D, Humble, P, Hungerford, E, Ianni, A, James, I, Johnson, T, Keeter, K, Kendziora, C, Kochanek, I, Koh, G, Korablev, D, Korga, G, Kubankin, A, Kuss, M, Li, X, Lissia, M, Loer, B, Longo, G, Ma, Y, Machado, A, Machulin, I, Mandarano, A, Mari, S, Maricic, J, Martoff, C, Messina, A, Meyers, P, Milincic, R, Monte, A, Morrocchi, M, Mount, B, Muratova, V, Musico, P, Navrer Agasson, A, Nozdrina, A, Oleinik, A, Orsini, M, Ortica, F, Pagani, L, Pallavicini, M, Pandola, L, Pantic, E, Paoloni, E, Pazzona, F, Pelczar, K, Pelliccia, N, Pocar, A, Pordes, S, Qian, H, Razeti, M, Razeto, A, Reinhold, B, Renshaw, A, Rescigno, M, Riffard, Q, Romani, A, Rossi, B, Rossi, N, Sablone, D, Samoylov, O, Sands, W, Sanfilippo, S, Sant, M, Savarese, C, Schlitzer, B, Segreto, E, Semenov, D, Sheshukov, A, Singh, P, Skorokhvatov, M, Smirnov, O, Sotnikov, A, Stanford, C, Suffritti, G, Suvorov, Y, Tartaglia, R, Testera, G, Tonazzo, A, Trinchese, P, Unzhakov, E, Verducci, M, Vishneva, A, Vogelaar, B, Wada, M, Waldrop, T, Walker, S, Wang, H, Wang, Y, Watson, A, Westerdale, S, Wojcik, M, Xiang, X, Xiao, X, Yang, C, Ye, Z, Zhu, C, and Zuzel, G
Subjects: Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, longitudinal, Physics::Instrumentation and Detectors, shape analysis, chemistry.chemical_element, FOS: Physical sciences, Field strength, Electron, 01 natural sciences, energy dependence, XENON, Recoil, statistical analysis, electron: recoil, Electric field, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Diffusion (business), 010306 general physics, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation, Nuclear and High Energy Physic, Physics, Time projection chamber, Argon, Electron diffusion constant, 010308 nuclear & particles physics, electric field: field strength, diffusion, Instrumentation and Detectors (physics.ins-det), time projection chamber: liquid argon, Fick's laws of diffusion, TRANSPORT, AR-39, chemistry, Liquid argon, Atomic physics, electron: diffusion
Abstract: We report the measurement of the longitudinal diffusion constant in liquid argon with the DarkSide-50 dual-phase time projection chamber. The measurement is performed at drift electric fields of 100 V/cm, 150 V/cm, and 200 V/cm using high statistics 39 Ar decays from atmospheric argon. We derive an expression to describe the pulse shape of the electroluminescence signal (S2) in dual-phase TPCs. The derived S2 pulse shape is fit to events from the uppermost portion of the TPC in order to characterize the radial dependence of the signal. The results are provided as inputs to the measurement of the longitudinal diffusion constant D L , which we find to be (4.12 ± 0.09) cm2/s for a selection of 140 keV electron recoil events in 200 V/cm drift field and 2.8 kV/cm extraction field. To study the systematics of our measurement we examine data sets of varying event energy, field strength, and detector volume yielding a weighted average value for the diffusion constant of (4.09 ± 0.12) cm2/s. The measured longitudinal diffusion constant is observed to have an energy dependence, and within the studied energy range the result is systematically lower than other results in the literature.
Published: 2018

3. Constraints on sub-gev dark-matter-electron scattering from the darkside-50 experiment

Author: A. Vishneva, P. Garcia Abia, Min-Xin Guan, S. S. Poudel, P. Trinchese, B. Vogelaar, O. Gorchakov, An. Ianni, V. N. Muratova, B. Bottino, A. L. Renshaw, M. Razeti, C. Giganti, F. Pazzona, Yuting Wang, N. Pelliccia, P. D. Meyers, R. Cereseto, V. Pesudo, M. La Commara, S. Bussino, Monica Verducci, Antonino Zichichi, C. L. Kendziora, Irina James, Marisa Gulino, A. Candela, M. Downing, Rosario Nania, B. Reinhold, Mariano Cadoni, E. Segreto, M. Wada, Y. Guardincerri, Stefano Cavuoti, R. Tartaglia, Eugenio Scapparone, M. De Vincenzi, M. M. Wojcik, M. Caravati, A. A. Machado, F. Gabriele, M. H. Hassanshahi, A. Navrer Agasson, G. Testera, K. Pelczar, Cristiano Galbiati, Pierfranco Demontis, Fausto Ortica, C. Savarese, Stefano Giagu, N. Rossi, M. Lissia, S. Catalanotti, Andrea Gabrieli, G. De Filippis, M. Cariello, D. M. Asner, P. Cavalcante, K. Fomenko, Xiang Xiao, E. Paoloni, G. Fiorillo, A. G. Cocco, A. Oleinik, O. Smirnov, G. Di Pietro, I. N. Machulin, C. Ghiano, Giovanni Covone, N. Canci, A. Devoto, Hui Wang, Marco Pallavicini, G. K. Giovanetti, M. D'Incecco, D. D'Angelo, Valerio Ippolito, M. D. Skorokhvatov, E. V. Unzhakov, D. D'Urso, V. Bocci, H. Qian, A. Monte, O. Samoylov, A.V. Shchagin, G. De Rosa, K. Biery, K. Keeter, Siddharth Mishra-Sharma, J. Maricic, Yanhui Ma, Marco Sant, Thomas Alexander, R. Milincic, Mariangela Lisanti, M. Rescigno, A. Empl, Luciano Pandola, T. N. Johnson, L. Pagani, B. Rossi, M. De Deo, A. Caminata, R. Santorelli, D. A. Semenov, S. Stracka, D. Hughes, A. V. Derbin, A. Razeto, S. Pordes, A. de Candia, E. Pantic, Alan Watson, A. Mandarano, C. Cicalo, M. Kuss, A. O. Nozdrina, C. Dionisi, D. Korablev, Z. Ye, A. S. Kubankin, Q. Riffard, G. Korga, B. R. Hackett, E. Picciau, Paolo Musico, Ivone F. M. Albuquerque, A. Fan, W. Bonivento, Giuseppe Longo, D. Franco, D. A. Pugachev, A. Pocar, G. Koh, Vittorio Cataudella, A. Tonazzo, Ben Loer, D. Sablone, W. Sands, M. Cadeddu, Yonatan Kahn, I. Kochanek, T. J. Waldrop, S. Sanfilippo, Frank Calaprice, F. Di Eusanio, X. Xiang, Aldo Romani, G. Bonfini, F. Granato, P. Agnes, M. Carlini, P. N. Singh, M. Gromov, F. Budano, Chung-Yao Yang, Andrea Messina, A. K. Alton, G. R. Araujo, Y. Suvorov, A. M. Goretti, A. S. Chepurnov, B. J. Mount, E. V. Hungerford, S. Westerdale, G. Batignani, M. Orsini, M. Ave, A. Sotnikov, M. Carpinelli, S. De Cecco, H. O. Back, G. Zuzel, Francesco Ragusa, Xiujiang Li, Giuseppe Baldovino Suffritti, Matteo Morrocchi, K. Herner, B. Hosseini, C. Stanford, Paul H. Humble, Luisa Cifarelli, B. Schlitzer, L. Mapelli, Al. Ianni, E. Edkins, Caoxiang Zhu, M. Lai, Stefano Maria Mari, B. Baldin, A. Sheshukov, S. Davini, C. J. Martoff, 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 de Paris (UP), 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), DarkSide, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Araujo, G. R., Asner, D. M., Ave, M., Back, H. O., Baldin, B., Batignani, G., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bottino, B., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Canci, N., Candela, A., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Catalanotti, S., Cataudella, V., Cavalcante, P., Cavuoti, S., Cereseto, R., Chepurnov, A., Cicalò, C., Cifarelli, L., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., D'Urso, D., Davini, S., De Candia, A., De Cecco, S., De Deo, M., De Filippis, G., De Rosa, G., De Vincenzi, M., Demontis, P., Derbin, A. V., Devoto, A., Di Eusanio, F., Di Pietro, G., Dionisi, C., Downing, M., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Franco, D., Gabriele, F., Gabrieli, A., Galbiati, C., Garcia Abia, P., Ghiano, C., Giagu, S., Giganti, C., Giovanetti, G. K., Gorchakov, O., Goretti, A. M., Granato, F., Gromov, M., Guan, M., Guardincerri, Y., Gulino, M., Hackett, B. R., Hassanshahi, M. H., Herner, K., Hosseini, B., Hughes, D., Humble, P., Hungerford, E. V., Ianni, Al., Ianni, An., Ippolito, V., James, I., Johnson, T. N., Kahn, Y., Keeter, K., Kendziora, C. L., Kochanek, I., Koh, G., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lisanti, M., Lissia, M., Loer, B., Longo, G., Ma, Y., Machado, A. A., Machulin, I. N., Mandarano, A., Mapelli, L., Mari, S. M., Maricic, J., Martoff, C. J., Messina, A., Meyers, P. D., Milincic, R., Mishra-Sharma, S., Monte, A., Morrocchi, M., Mount, B. J., Muratova, V. N., Musico, P., Nania, R., Navrer Agasson, A., Nozdrina, A. O., Oleinik, A., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pazzona, F., Pelczar, K., Pelliccia, N., Pesudo, V., Picciau, E., Pocar, A., Pordes, S., Poudel, S. S., Pugachev, D. A., Qian, H., Ragusa, F., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sant, M., Santorelli, R., Savarese, C., Scapparone, E., Schlitzer, B., Segreto, E., Semenov, D. A., Shchagin, A., Sheshukov, A., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Stracka, S., Suffritti, G. B., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, B., Wada, M., Waldrop, T. J., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wojcik, M. M., Wojcik, M., Xiang, X., Xiao, X., Yang, C., Ye, Z., Zhu, C., Zichichi, A., Zuzel, G., Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), 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), D’Angelo, D., D’Incecco, M., D’Urso, D., Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Agnes, P, Albuquerque, I, Alexander, T, Alton, A, Araujo, G, Asner, D, Ave, M, Back, H, Baldin, B, Batignani, G, Biery, K, Bocci, V, Bonfini, G, Bonivento, W, Bottino, B, Budano, F, Bussino, S, Cadeddu, M, Cadoni, M, Calaprice, F, Caminata, A, Canci, N, Candela, A, Caravati, M, Cariello, M, Carlini, M, Carpinelli, M, Catalanotti, S, Cataudella, V, Cavalcante, P, Cavuoti, S, Cereseto, R, Chepurnov, A, Cicalò, C, Cifarelli, L, Cocco, A, Covone, G, D'Angelo, D, D'Incecco, M, D'Urso, D, Davini, S, De Candia, A, De Cecco, S, De Deo, M, De Filippis, G, De Rosa, G, De Vincenzi, M, Demontis, P, Derbin, A, Devoto, A, Di Eusanio, F, Di Pietro, G, Dionisi, C, Downing, M, Edkins, E, Empl, A, Fan, A, Fiorillo, G, Fomenko, K, Franco, D, Gabriele, F, Gabrieli, A, Galbiati, C, Garcia Abia, P, Ghiano, C, Giagu, S, Giganti, C, Giovanetti, G, Gorchakov, O, Goretti, A, Granato, F, Gromov, M, Guan, M, Guardincerri, Y, Gulino, M, Hackett, B, Hassanshahi, M, Herner, K, Hosseini, B, Hughes, D, Humble, P, Hungerford, E, Ianni, A, Ippolito, V, James, I, Johnson, T, Kahn, Y, Keeter, K, Kendziora, C, Kochanek, I, Koh, G, Korablev, D, Korga, G, Kubankin, A, Kuss, M, La Commara, M, Lai, M, Li, X, Lisanti, M, Lissia, M, Loer, B, Longo, G, Ma, Y, Machado, A, Machulin, I, Mandarano, A, Mapelli, L, Mari, S, Maricic, J, Martoff, C, Messina, A, Meyers, P, Milincic, R, Mishra-Sharma, S, Monte, A, Morrocchi, M, Mount, B, Muratova, V, Musico, P, Nania, R, Navrer Agasson, A, Nozdrina, A, Oleinik, A, Orsini, M, Ortica, F, Pagani, L, Pallavicini, M, Pandola, L, Pantic, E, Paoloni, E, Pazzona, F, Pelczar, K, Pelliccia, N, Pesudo, V, Picciau, E, Pocar, A, Pordes, S, Poudel, S, Pugachev, D, Qian, H, Ragusa, F, Razeti, M, Razeto, A, Reinhold, B, Renshaw, A, Rescigno, M, Riffard, Q, Romani, A, Rossi, B, Rossi, N, Sablone, D, Samoylov, O, Sands, W, Sanfilippo, S, Sant, M, Santorelli, R, Savarese, C, Scapparone, E, Schlitzer, B, Segreto, E, Semenov, D, Shchagin, A, Sheshukov, A, Singh, P, Skorokhvatov, M, Smirnov, O, Sotnikov, A, Stanford, C, Stracka, S, Suffritti, G, Suvorov, Y, Tartaglia, R, Testera, G, Tonazzo, A, Trinchese, P, Unzhakov, E, Verducci, M, Vishneva, A, Vogelaar, B, Wada, M, Waldrop, T, Wang, H, Wang, Y, Watson, A, Westerdale, S, Wojcik, M, Xiang, X, Xiao, X, Yang, C, Ye, Z, Zhu, C, Zichichi, A, and Zuzel, G
Subjects: electron, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Physics::Instrumentation and Detectors, candidates, Dark matter, FOS: Physical sciences, General Physics and Astronomy, chemistry.chemical_element, Electron, dark matter: direct detection, Gravitation and Astrophysics, 01 natural sciences, Physics and Astronomy (all), Recoil, liquid argon, xenon, particles, existence, AR-39, S030DE5, Ionization, 0103 physical sciences, Physics::Atomic and Molecular Clusters, 010306 general physics, S030UDM, Physics, Time projection chamber, Argon, 010308 nuclear & particles physics, Scattering, dark matter: mass, dark matter: scattering, chemistry, argon, High Energy Physics::Experiment, Atomic physics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Electron scattering, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We present new constraints on sub-GeV dark matter particles scattering off electrons in argon based on an analysis of ionization signal data from the DarkSide-50 detector., replaced with published version
Published: 2018

4. The Electronics, Trigger and Data Acquisition System for the Liquid Argon Time Projection Chamber of the DarkSide-50 Search for Dark Matter

Author: A. Nelson, M. Carlini, K. Arisaka, E. V. Hungerford, G. Fiorillo, W. Bonivento, P. N. Singh, C. Dionisi, L. Pagani, M. D'Incecco, S. Luitz, Chung-Yao Yang, A. Sotnikov, A. V. Derbin, D. A. Semenov, Augusto Brigatti, H. Qian, K. Fomenko, F. Budano, I. N. Machulin, T. Miletic, N. Canci, Marco Pallavicini, P. Trinchese, C. Giganti, E. Edkins, D. D'Angelo, R. Saldanha, R. Tartaglia, An. Ianni, B. R. Hackett, Hui Wang, A. Zec, S. Pordes, F. Di Eusanio, B. Bottino, P. J. Mosteiro, Fausto Ortica, Thomas Alexander, A. Monte, M. Rescigno, B. Baldin, Anton Empl, A. K. Alton, S. Parmeggiano, Michele Montuschi, Aldo Romani, G. De Rosa, A. Razeto, S. De Cecco, M. M. Wojcik, G. K. Giovanetti, A. de Candia, E. Pantic, P. Agnes, B. J. Mount, F. Gabriele, Q. Riffard, A. Oleinik, B. Schlitzer, D. Franco, M. Orsini, T. N. Johnson, M. Ave, C. Savarese, R. B. Vogelaar, Monica Verducci, C. Zhu, W. Zhong, P. Cavalcante, Nicomede Pelliccia, J. Maricic, Giuseppe Longo, D. Montanari, D. Sablone, C. J. Martoff, G. Bonfini, B. Reinhold, Sandra Zavatarelli, G. Zuzel, Ivone F. M. Albuquerque, E. Shields, V. N. Muratova, K. Biery, Yanchu Wang, K. J. Keeter, Frank Calaprice, S. Davini, D. M. Asner, X. Xiang, Vittorio Cataudella, Samuele Sangiorgio, A. Tonazzo, Stefano Giagu, A. L. Renshaw, A. Navrer Agasson, A. M. Goretti, G. Korga, Paolo Musico, A. Fan, D. A. Pugachev, F. Granato, M. Cariello, Stefano Maria Mari, M. D. Skorokhvatov, L. Grandi, K. Herner, G. Di Pietro, Yanhui Ma, A. Candela, S. Catalanotti, Stuart Derek Walker, A. G. Cocco, Jingke Xu, A. A. Machado, Min-Xin Guan, K. Pelczar, Cristiano Galbiati, D. Hughes, M. De Deo, J. Tatarowicz, A. S. Kubankin, M. De Vincenzi, Gioacchino Ranucci, C. L. Kendziora, Irina James, M. Caravati, Mariano Cadoni, N. Rossi, G. Forster, L. Crippa, O. Smirnov, M. Gromov, P. D. Meyers, M. Wada, E. V. Unzhakov, Y. Guardincerri, M. E. Monzani, A. Pocar, P. Saggese, V. Bocci, M. Cadeddu, C. Cicalo, Giovanni Covone, Severino Angelo Maria Bussino, K. Randle, A. Vishneva, X. Li, M. Razeti, J. Yoo, B. Loer, H. Cao, S. Odrowski, G. Testera, Y. Suvorov, S. Westerdale, A. S. Chepurnov, C. Stanford, Denis Korablev, J. Brodsky, P. Humble, A. Devoto, S. D. Rountree, Paolo Lombardi, E. Segreto, A. Mandarano, V. V. Kobychev, W. Sands, L. Marini, M. Bossa, B. Rossi, Alan Watson, M. Lissia, G. De Filippis, Xiang Xiao, R. Milincic, G. Koh, Henning O. Back, 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 de Paris (UP), 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), DarkSide, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), 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), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-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 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Arisaka, K., Asner, D. M., Ave, M., Back, H. O., Baldin, B., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bossa, Maria, Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Caravati, M., Cariello, M., Carlini, M., Catalanotti, S., Cataudella, V., Cavalcante, P., Chepurnov, A., Cicaló, C., Cocco, A. G., Covone, G., Crippa, L., D'Angelo, D., D'Incecco, M., Davini, S., de Candia, A., Cecco, S. De, Deo, M. De, Filippis, G. De, Rosa, G. De, Vincenzi, M. De, Derbin, A., Devoto, A., Eusanio, F. Di, Dionisi, C., Pietro, G. Di, Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Forster, G., Franco, D., Gabriele, F., Galbiati, C., Giagu, S., Giganti, C., Giovanetti, G. K., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K. R., Hughes, D., Humble, P., Hungerford, E. V., Ianni, A., James, I., Johnson, T. N., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Loer, B., Lombardi, P., Longo, G., Luitz, S., Ma, Y., Machado, A., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M. E., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Agasson, A. Navrer, Nelson, A., Odrowski, S., Oleinik, A., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Rountree, S. D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Schlitzer, B., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, R. B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wojcik, M. M., Xiang, X., Xiao, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., Bossa, M., De Candia, A., De Cecco, S., De Deo, M., De Filippis, G., De Rosa, Gianfranca, De Vincenzi, M., Di Eusanio, F., Di Pietro, G., Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Universidade de São Paulo = University of São Paulo (USP), University of Massachusetts [Amherst] (UMass Amherst), University of Massachusetts System (UMASS), Fermi National Accelerator Laboratory (Fermilab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), ANR-10-LABX-0023,UnivEarthS,Earth - Planets - Universe: observation, modeling, transfer(2010), and ANR-11-IDEX-0005,USPC,Université Sorbonne Paris Cité(2011)
Subjects: axions, Physics - Instrumentation and Detectors, data acquisition, Noble liquid detectors (scintillation, ionization, double-phase), 01 natural sciences, Dark Matter, DarkSide Detector, TPC, High Energy Physics - Experiment, Dark Matter detectors (WIMPs, axions, etc.), High Energy Physics - Experiment (hep-ex), Data acquisition, Noble liquid detectors (scintillation, etc.), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation, Mathematical Physics, Physics, Resistive touchscreen, Time projection chamber, photomultiplier, Instrumentation and Detectors (physics.ins-det), double-phase), amplifier, Cryostat, Photomultiplier, FOS: Physical sciences, chemistry.chemical_element, Optics, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], 0103 physical sciences, ionization, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, background: radioactivity, noble liquid detectors, scintillation, double-phase, Dark Matter detectors (WIMPs, MESH: LArTPC, Argon, 010308 nuclear & particles physics, business.industry, Amplifier, Voltage divider, dark matter: detector, trigger, time projection chamber: liquid argon, Gran Sasso, chemistry, electronics: readout, business, electronics: design
Abstract: The DarkSide-50 experiment at the Laboratori Nazionali del Gran Sasso is a search for dark matter using a dual phase time projection chamber with 50 kg of low radioactivity argon as target. Light signals from interactions in the argon are detected by a system of 38 photo-multiplier tubes (PMTs), 19 above and 19 below the TPC volume inside the argon cryostat. We describe the electronics which processes the signals from the photo-multipliers, the trigger system which identifies events of interest, and the data-acquisition system which records the data for further analysis. The electronics include resistive voltage dividers on the PMTs, custom pre-amplifiers mounted directly on the PMT voltage dividers in the liquid argon, and custom amplifier/discriminators (at room temperature). After amplification, the PMT signals are digitized in CAEN waveform digitizers, and CAEN logic modules are used to construct the trigger, the data acquisition system for the TPC is based on the Fermilab "artdaq" software. The system has been in operation since early 2014., 24 pages
Published: 2017

5. THE DARKSIDE-50 EXPERIMENT: A LIQUID ARGON TARGET FOR DARK MATTER PARTICLES

Author: R. Tartaglia, A. Razeto, B. R. Hackett, A. Zec, N. Canci, Thomas Alexander, S. Pordes, H. O. Back, M. Gromov, A. L. Renshaw, C. Giganti, A. Empl, S. De Cecco, Ivone F. M. Albuquerque, J. Tatarowicz, A. M. Goretti, J. Maricic, M. Cariello, Samuele Sangiorgio, D. Franco, M. Lissia, L. Crippa, G. Zuzel, A. Devoto, P. D. Meyers, W. Zhong, E. V. Hungerford, G. Di Pietro, J. P. Brodsky, B. Vogelaar, S. Westerdale, R. Milincic, Mariano Cadoni, N. Rossi, E. Pantic, J. Wilhelmi, M. Wada, L. Agostino, Nicomede Pelliccia, P. N. Singh, A. Sotnikov, M. E. Monzani, K. Arisaka, M. D. Skorokhvatov, B. Baldin, L. Grandi, A. Meregaglia, E. Edkins, L. Marini, M. Bossa, E. Shields, C. Stanford, G. Fiorillo, D. Rountree, G. Forster, M. Carlini, Gioacchino Ranucci, L. Pagani, P. Cavalcante, G. Koh, K. Randle, A. Vishneva, X. Li, Paolo Lombardi, B. Rossi, B. Reinhold, S. Bussino, A. Pocar, P. Trinchese, P. J. Mosteiro, Michele Montuschi, M. D'Incecco, M. De Vincenzi, E. Segreto, Alan Watson, An. Ianni, H. Qian, C. Jollet, C. J. Martoff, G. Bonfini, A. Mandarano, V. N. Muratova, M. Orsini, B. Bottino, K. Herner, B. J. Mount, K. J. Keeter, K. Biery, Yanchu Wang, G. Korga, K. Fomenko, Frank Calaprice, X. Xiang, F. Budano, V. V. Kobychev, P. Saggese, C. Savarese, Laura Cadonati, D. Sablone, F. Granato, A. Candela, J. Yoo, Jingke Xu, A. S. Kubankin, S. Davini, M. Cadeddu, T. Miletic, K. Pelczar, Fausto Ortica, Sandra Zavatarelli, W. Sands, Y. Guardincerri, Giovanni Covone, A. Monte, S. Luitz, Min-Xin Guan, Paolo Musico, D. Montanari, O. Smirnov, A. Fan, D. A. Pugachev, E. V. Unzhakov, Han Wang, R. Saldanha, Ann E. Nelson, I. N. Machulin, Al. Ianni, Caoxiang Zhu, Y. Suvorov, Stuart Derek Walker, S. Perasso, D. D'Angelo, Yanhui Ma, C. L. Kendziora, Irina James, M. De Deo, S. Catalanotti, A. G. Cocco, Marco Pallavicini, F. Gabriele, F. Di Eusanio, M. M. Wojcik, Jim Napolitano, Aldo Romani, A. Tonazzo, P. Agnes, S. Parmeggiano, D. A. Semenov, Chung-Yao Yang, A. V. Derbin, Augusto Brigatti, Denis Korablev, A. K. Alton, C. Galbiati, S. M. Mari, A. S. Chepurnov, H. Cao, S. Odrowski, G. Testera, Alexander I. Studenikin, Agnes, P., Agostino, L., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Arisaka, K., Back, H. O., Baldin, B., Biery, K., Bonfini, G., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, Federico, Bussino, Severino Angelo Maria, Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cocco, A. G., Covone, G., Crippa, L., D’Angelo, D., D’Incecco, M., Davini, S., De Cecco, S., De Deo, M., DE VINCENZI, Mario, Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Forster, G., Franco, D., Gabriele, F., Galbiati, C., Giganti, C., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K., Hungerford, E. V., Ianni, A. l., Ianni, A. n., James, Irina, Jollet, C., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Lombardi, P., Luitz, S., Ma, Y., Machulin, I. N., Mandarano, A., Mari, Stefano Maria, Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Nelson, A., Odrowski, S., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Perasso, S., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeto, A., Reinhold, B., Renshaw, A. L., Romani, A., Rossi, B., Rossi, N., Rountree, D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Vishneva, A., Vogelaar, B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., 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 de Paris (UP), 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), Institut Pluridisciplinaire Hubert Curien (IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Budano, F., Bussino, S., D'Angelo, D., D'Incecco, M., de Cecco, S., de Deo, M., de Vincenzi, M., di Eusanio, F., di Pietro, G., Ianni, A., James, I., and Mari, S. M.
Subjects: Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Dark matter, scintillation counter: liquid, chemistry.chemical_element, WIMP Argon Programme, Scintillator, dark matter: direct detection, liquid argon: target, 7. Clean energy, Nuclear physics, Nuclear Experiment, Physics, Argon, Time projection chamber, shielding, background, Astronomy and Astrophysics, Gran Sasso, time projection chamber, dark matter: scattering, chemistry, Electromagnetic shielding, atmosphere, dark matter, argon, time projection chamber, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Directional Recoil Identification from Tracks, ArDM
Abstract: International audience; The DarkSide-50 experiment, located at the “Laboratori Nazionali del Gran Sasso (INFN)”, is based on low-radioactivity argon double phase time projection chamber, surrounded by an active liquid scintillator veto, designed for the zero background achievement. The liquid argon features sufficient self shielding and easy scalability to multi-tons scale. The impressive reduction of the 39Ar isotope (compared to the atmospheric argon), along with the excellent pulse shape discrimination, make this technology a possible candidate for the forthcoming generation of multi-ton Dark Matter experiments.
Published: 2017

6. The DarkSide Experiment: Present Status and Future

Author: S. Odrowski, M. Gromov, E. Segreto, D. Sablone, Peter Daniel Meyers, D. Rountree, Y. Suvorov, S. Westerdale, E. V. Unzhakov, C. Stanford, J. Brodsky, S. M. Mari, P. Saggese, A. M. Goretti, A. S. Chepurnov, S. Walker, Andrea Ianni, T. N. Johnson, E. V. Hungerford, Mariano Cadoni, Hui Wang, M. Guan, L. Pagani, Q. Riffard, Thomas Alexander, Maria Rescigno, A. Devoto, A. Sotnikov, M. D. Skorokhvatov, N. Rossi, A. Navrer Agasson, L. Grandi, F. Di Eusanio, A. K. Alton, Jim Napolitano, A. Tonazzo, M. Carlini, H. O. Back, M. Orsini, I. N. Machulin, Marcello Lissia, K. Biery, Yanchu Wang, P. N. Singh, Paolo Lombardi, J. Tatarowicz, G. Fiorillo, N. Canci, Aldo Romani, G. Di Pietro, Giovanni Covone, R. Saldanha, K. Fomenko, N. Pelliccia, B. J. Mount, J. Maricic, B. Reinhold, P. Agnes, S. Pordes, Marco Pallavicini, D. Korablev, A. Zec, M. Cariello, A. V. Derbin, F. Budano, D. M. Asner, B. Baldin, D. D'Angelo, M. De Vincenzi, A. L. Renshaw, A. Brigatti, G. Testera, D. Franco, K. Randle, K. Pelczar, Cristiano Galbiati, Irina James, D. Semenov, R. Milincic, M. D'Incecco, W. Zhong, S. De Cecco, G. Forster, C. J. Martoff, D. Hughes, M. Caravati, Anselmo Meregaglia, H. Qian, C. Dionisi, C. L. Kendziora, J. Wilhelmi, Chung-Yao Yang, Monica Verducci, G. Bonfini, A. Vishneva, Ivone F. M. Albuquerque, G. K. Giovanetti, B. R. Hackett, P. Cavalcante, A. Empl, M. Wada, W. Bonivento, M. De Deo, S. Davini, Frank Calaprice, X. Xiang, Y. Guardincerri, B. Vogelaar, M. Razeti, S. Catalanotti, S. Bussino, J. D. Miller, Paul H. Humble, E. Pantic, C. Savarese, K. Keeter, C. Giganti, Laura Cadonati, A. S. Kubankin, G. Zuzel, A. G. Cocco, Stefano Giagu, Giuseppe Longo, A. Razeto, R. Tartaglia, Al. Ianni, Xiaoyuan Li, E. Edkins, D. Montanari, V. Bocci, Fausto Ortica, Cécile Jollet, A. Candela, B. Loer, B. Schlitzer, C. Zhu, F. Gabriele, G. Korga, Gioacchino Ranucci, P. Trinchese, F. Granato, E. Shields, K. Herner, M. Cadeddu, C. Cicalo, Paolo Musico, A. Fan, D. A. Pugachev, V. N. Muratova, B. Bottino, A. Monte, A. Pocar, Jilei Xu, O. Smirnov, S. Parmeggiano, Marcin Wójcik, W. Sands, Y. Q. Ma, L. Marini, M. Bossa, B. Rossi, G. Koh, Alan Watson, A. Mandarano, Xiang Xiao, Zuzel, G., Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Asner, D. M., Back, H. O., Baldin, B., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Caravati, M., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cicalo, C., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., Davini, S., De Cecco, S., De Deo, M., De Vincenzi, M., Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Dionisi, C., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Forster, G., Franco, D., Gabriele, F., Galbiati, C., Giagu, S., Giganti, C., Giovanetti, G. K., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K., Hughes, D., Humble, P., Hungerford, E. V., Ianni, A. L., Ianni, A. N., James, I., Johnson, T. N., Jollet, C., Keeter, K., Kendziora, C. L., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Loer, B., Lombardi, P., Longo, G., Ma, Y., Machulin, I. N., Mandarano, Marina, Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Milincic, R., Miller, J. D., Montanari, D., Monte, A., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Agasson, A. Navrer, Odrowski, S., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Rountree, D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Savarese, C., Schlitzer, B., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X. I., Xiao, X., Xu, J., Yang, C., Zec, A., Zhong, W., Zhu, C., Budano, Federico, Bussino, Severino Angelo Maria, DE VINCENZI, Mario, Eusanio, F. Di, Pietro, G. Di, Ianni, A. l., Ianni, A. n., James, Irina, Mandarano, A., Mari, Stefano Maria, Xiang, X. i., 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), 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), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), and Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)
Subjects: WIMP nucleon: scattering, History, Physics::Instrumentation and Detectors, Dark matter, WIMP: mass, chemistry.chemical_element, talk: Moscow 2016/10/10, DarkSide, 4/3, spin: dependence, WIMP: dark matter, channel cross section: upper limit, 01 natural sciences, argon: target, dark matter, Education, Nuclear physics, Physics and Astronomy (all), WIMP, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Physics, Argon, Time projection chamber, 010308 nuclear & particles physics, Astrophysics::Instrumentation and Methods for Astrophysics, WIMP nucleon: cross section, time projection chamber: liquid argon, Gran Sasso, Computer Science Applications, Elementary particle physics, Double phase, chemistry, Liquid argon, High Energy Physics::Experiment, MATTER, experimental results
Abstract: International audience; DarkSide is a multi-stage program devoted to direct searches of Dark Matter particles with detectors based on double phase liquid Argon Time Projection Chamber. The DarkSide-50 setup is running underground at the Laboratori Nazionali del Gran Sasso. First it was operated with Atmospheric Argon and during that run (1422 ± 67) kg×d of truly background-free exposure has been accumulated. Obtained data made it possible to set a 90% C.L. upper limit on the WIMP-nucleon cross section of 6.1 × 10(−)(44) cm(2) (for a WIMP mass of 100 GeV/c(2)). Presently the detector is filled with Underground Argon, which is depleted in (39)Ar by a factor of (1.4 ± 0.2)×10(3) with respect to Atmospheric Argon. Acquired so far (2616 ± 43) kg×d (71 live days) in combination with the data from the Atmospheric Argon run give us the 90% C.L. upper limit on the WIMP-nucleon spin-independent cross section of 2.0×10(−)(44) cm(2) for a WIMP mass of 100 GeV/c(2). Up to date this is the best limit obtained with an argon target.
Published: 2017

7. The electronics and data acquisition system for the DarkSide-50 veto detectors

Author: V. N. Muratova, B. Bottino, E. V. Unzhakov, C. Stanford, G. Koh, B. Baldin, J. Brodsky, J. Wilhelmi, S. De Cecco, P. Saggese, Chung-Yao Yang, C. Savarese, A. Tonazzo, S. D. Rountree, M. Montuschi, Paolo Lombardi, S. Davini, C. J. Martoff, M. Carlini, Peter Daniel Meyers, Yufeng Wang, M. D. Skorokhvatov, L. Grandi, P. N. Singh, M. Gromov, A. Mandarano, A. Kubankin, M. Guan, Y. Suvorov, G. Zuzel, S. Luitz, E. Segreto, A. Candela, S. Westerdale, G. Testera, A. M. Goretti, A. S. Chepurnov, F. Budano, V. V. Kobychev, Mariano Cadoni, E. Pantic, P. J. Mosteiro, A. K. Alton, A. Sotnikov, Aldo Ianni, B. Reinhold, B. R. Hackett, A. Empl, F. Gabriele, E. Edkins, B. J. Mount, A. Zec, L. Agostino, H. Cao, D. Semenov, M. Orsini, J. Maricic, Hui Wang, R. B. Vogelaar, M. De Vincenzi, N. Canci, Caoxiang Zhu, M. De Deo, R. Tartaglia, D. Montanari, Ivone F. M. Albuquerque, A. L. Renshaw, A. Devoto, Griffin Foster, P. Cavalcante, Samuele Sangiorgio, M. Cadeddu, Stefano Maria Mari, J. Tatarowicz, T. Alexander, S. Odrowski, T. Miletic, D. Franco, Sandra Zavatarelli, W. Zhong, C. Giganti, K. Arisaka, K. Herner, R. Saldanha, Fausto Ortica, G. Fiorillo, L. Crippa, K. Fomenko, M. Wada, F. Calaprice, M. D'Incecco, Stuart Derek Walker, A. Vishneva, K. Randle, Anselmo Meregaglia, X. Li, H. Qian, Irina James, Y. Guardincerri, M. E. Monzani, A. Pocar, K. Keeter, A. Monte, Jilei Xu, Q. Riffard, S. Parmeggiano, D. Korablev, A. Brigatti, Jim Napolitano, D. Sablone, N. Pelliccia, X. Xiang, E. Shields, Gioacchino Ranucci, Y. Q. Ma, L. Marini, M. Bossa, B. Rossi, Alan Watson, K. Biery, A. Fan, D. A. Pugachev, Oleg Smirnov, S. Catalanotti, A. G. Cocco, F. Di Eusanio, Aldo Romani, P. Agnes, A. Razeto, P. Musico, W. Sands, M. Cariello, Andrea Ianni, A. V. Derbin, K. Pelczar, Cristiano Galbiati, C. L. Kendziora, M. M. Wojcik, G. Korga, F. Granato, Ann E. Nelson, I. N. Machulin, N. Rossi, Marco Pallavicini, D. D'Angelo, E. Hungerford, R. Milincic, S. Pordes, Henning O. Back, G. Bonfini, Cécile Jollet, J. Yoo, G. Di Pietro, Giovanni Covone, Severino Angelo Maria Bussino, L. Pagani, Marcello Lissia, P. Trinchese, AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Département Recherches Subatomiques (DRS-IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), 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)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Centre Hospitalier Universitaire de Nice (CHU de Nice), Biomécanique et Bioingénierie (BMBI), Université de Technologie de Compiègne (UTC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Astrophysique de Marseille (LAM), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), Stanford University [Stanford], Max-Planck-Institut für Kernphysik (MPIK), Max-Planck-Gesellschaft, Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique (LERMA), École normale supérieure - Paris (ENS Paris)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université de Cergy Pontoise (UCP), Université Paris-Seine-Université Paris-Seine-Centre National de la Recherche Scientifique (CNRS), Departamento de Engenharia Elétrica [Minas Gerais] (DEE - UFMG), Universidade Federal de Minas Gerais, Rhodes University, inconnu, Inconnu, Key Lab of Computer System and Architecture, Institute of Computing Technology [Beijing] (ICT), Chinese Academy of Sciences [Beijing] (CAS), Institut Européen des membranes (IEM), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Centre National de la Recherche Scientifique (CNRS), Agnes, P., Agostino, L., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Arisaka, K., Back, H. O., Baldin, B., Biery, K., Bonfini, G., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cocco, A. G., Covone, G., Crippa, L., D'Angelo, D., D'Incecco, M., Davini, S., Dececco, S., De Deo, M., De Vincenzi, M., Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Foster, G., Franco, D., Gabriele, F., Galbiati, C., Giganti, C., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K. R., Hungerford, E. V., Ianni, Aldo, Ianni, Andrea, James, I., Jollet, C., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Lombardi, P., Luitz, S., Ma, Y., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M. E., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Nelson, A., Odrowski, S., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeto, A., Reinhold, B., Renshaw, A. L., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Rountree, S. D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., Budano, Federico, Bussino, Severino Angelo Maria, DE VINCENZI, Mario, James, Irina, and Mari, Stefano Maria
Subjects: Physics - Instrumentation and Detectors, gas and liquid scintillators), architecture, Physics::Instrumentation and Detectors, Dark matter, FOS: Physical sciences, Scintillator, algorithms, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Data acquisition, Front-end electronics for detector readout, 0103 physical sciences, hardware, Neutron, Detector control systems (detector and experiment monitoring and slow control systems, 010306 general physics, Instrumentation, Cherenkov radiation, ComputingMilieux_MISCELLANEOUS, Mathematical Physics, Physics, [PHYS]Physics [physics], Time projection chamber, Data acquisition concepts, Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators), Detector control systems (detector and experiment monitoring and slow control systems, architecture, hardware, algorithms, databases), 010308 nuclear & particles physics, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Instrumentation and Detectors (physics.ins-det), scintillation and light emission processes (solid, Weakly interacting massive particles, Scintillators, High Energy Physics::Experiment, databases), [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: International audience; DarkSide-50 is a detector for dark matter candidates in the form of weakly interacting massive particles. It utilizes a liquid argon time projection chamber for the inner main detector, surrounded by a liquid scintillator veto (LSV) and a water Cherenkov veto detector (WCV). The LSV and WCV act as the neutron and cosmogenic muon veto detectors for DarkSide-50. This paper describes the electronics and data acquisition system used for these two detectors. The system is made of a custom built front end electronics and commercial National Instruments high speed digitizers. The front end electronics, the DAQ, and the trigger system have been used to acquire data in the form of zero-suppressed waveform samples from the 110 PMTs of the LSV and the 80 PMTs of the WCV. The veto DAQ system has proven its performance and reliability. This electronics and DAQ system can be scaled and used as it is for the veto of the next generation DarkSide-20k detector
Published: 2016

8. The DarkSide awakens

Author: B. Bottino, R. Tartaglia, A. K. Alton, K. Randle, A. Vishneva, Mariano Cadoni, Denis Korablev, P. Cavalcante, P. J. Mosteiro, J. Brodsky, Michele Montuschi, L. Marini, M. Bossa, P. Saggese, I. N. Machulin, Samuele Sangiorgio, B. J. Mount, N. Rossi, L. Agostino, E. Pantic, A. M. Goretti, N. Canci, C. L. Kendziora, Irina James, B. Rossi, M. Orsini, D. Montanari, S. Catalanotti, Marco Pallavicini, D. D'Angelo, M. Cariello, E. Shields, A. G. Cocco, Jingke Xu, Alan Watson, A. Mandarano, P Trinchese, V. N. Muratova, K. Biery, Yanchu Wang, L. Pagani, K. Pelczar, Cristiano Galbiati, S. Perasso, M. D. Skorokhvatov, S. De Cecco, P. D. Meyers, S. Bussino, Nicomede Pelliccia, L. Grandi, K. Arisaka, G. Korga, C. Stanford, B. Vogelaar, G. Fiorillo, Anton Empl, B. Reinhold, M. M. Wojcik, Chung-Yao Yang, E. Edkins, Paolo Musico, A. V. Derbin, A. Razeto, J. Wilhelmi, A. Fan, M. Wada, Y. Guardincerri, D. A. Pugachev, M. D'Incecco, Anselmo Meregaglia, J. Yoo, M. Lissia, H. Qian, F. Gabriele, G. Zuzel, E. V. Hungerford, G. Testera, D. Sablone, A. Candela, O. Smirnov, M. Gromov, G. Di Pietro, Giovanni Covone, A. Sotnikov, Jim Napolitano, A. S. Kubankin, F. Di Eusanio, A. Tonazzo, S. Parmeggiano, J. Maricic, Aldo Romani, E. V. Unzhakov, P. Agnes, S. Walker, Yanhui Ma, C. Savarese, M. De Deo, W. Sands, Thomas Alexander, M. E. Monzani, Andrea Ianni, Sandra Zavatarelli, A. Pocar, M. Cadeddu, Xiujiang Li, D. Franco, Gioacchino Ranucci, K. Herner, T. Miletic, W. Zhong, Griffin Foster, R. Saldanha, J. Tatarowicz, D. A. Semenov, Caoxiang Zhu, H. Cao, S. Luitz, F. Granato, Cécile Jollet, Han Wang, A. Devoto, Y. Suvorov, S. Westerdale, B. Baldin, S. M. Mari, A. S. Chepurnov, S. Davini, Henning O. Back, S. D. Rountree, Paolo Lombardi, E. Segreto, A. Monte, V. V. Kobychev, B. R. Hackett, A. Brigatti, C. J. Martoff, G. Bonfini, K. J. Keeter, Frank Calaprice, X. Xiang, A. Zec, S. Pordes, R. Milincic, G. Koh, A. L. Renshaw, Aldo Ianni, M. Carlini, P. N. Singh, K. Fomenko, F. Budano, C. Giganti, Laura Cadonati, Fausto Ortica, Min-Xin Guan, M. De Vincenzi, Ivone F. M. Albuquerque, Davini, S., Agnes, P., Agostino, L., M. Albuquerque, I. F., Alexander, T., Alton, A. K., Arisaka, K., Back, H. O., Baldin, B., Biery, K., Bonfini, G., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, Federico, Bussino, Severino Angelo Maria, Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., De Cecco, S., De Deo, M., DE VINCENZI, Mario, Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Foster, G., Franco, D., Gabriele, F., Galbiati, C., Giganti, C., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K. R., Hungerford, E. V., Ianni, Aldo, Ianni, Andrea, James, Irina, Jollet, C., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Lombardi, P., Luitz, S., Ma, Y., Machulin, I. N., Mandarano, A., Mari, Stefano Maria, Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M. E., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Perasso, S., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeto, A., Reinhold, B., Renshaw, A. L., Romani, A., Rossi, B., Rossi, N., Rountree, S. D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Vishneva, A., Vogelaar, B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., Gran Sasso Science Institute (GSSI), Istituto Nazionale di Fisica Nucleare (INFN), 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), 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), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), DarkSide, Albuquerque, I. F. M., Back, H., Budano, F., Bussino, S., Catalanotti, Sergio, Cocco, ALFREDO GIUSEPPE, Covone, Giovanni, De Vincenzi, M., Di Pietra, G., Fiorillo, Giuliana, James, I., Mari, S. M., Muratova, N., and Walker, Susan Elizabeth
Subjects: History, chemistry.chemical_element, DarkSide, WIMP Argon Programme, WIMP: detector, 01 natural sciences, Education, Atmosphere, Nuclear physics, Physics and Astronomy (all), 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010303 astronomy & astrophysics, Physics, Argon, 010308 nuclear & particles physics, Astronomy, suppression, time projection chamber: liquid argon, Computer Science Applications, Gran Sasso, chemistry, radioactivity, argon, atmosphere, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: International audience; The DarkSide program at LNGS aims to perform background-free WIMP searches using two phase liquid argon time projection chambers, with the ultimate goal of covering all parameters down to the so-called neutrino floor. One of the distinct features of the program is the use of underground argon with has a reduced content of the radioactive $^{39}$Ar compared to atmospheric argon. The DarkSide Collaboration is currently operating the DarkSide-50 experiment, the first such WIMP detector using underground argon. Operations with underground argon indicate a suppression of $^{39}$Ar by a factor (1.4 ± 0.2) × 10$^3$ relative to atmospheric argon. The new results obtained with DarkSide-50 and the plans for the next steps of the DarkSide program, the 20t fiducial mass DarkSide-20k detector and the 200 t fiducial Argo, are reviewed in this proceedings.
Published: 2016

9. Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon

Author: D. Rountree, T. N. Johnson, A. Kubankin, M. Guan, B. Loer, N. Canci, A. L. Renshaw, Giuseppe Longo, M. De Vincenzi, P. Humble, A. Razeto, P. Cavalcante, A. Empl, G. Testera, G. Di Pietro, Giovanni Covone, G. Korga, F. Granato, Al. Ianni, Caoxiang Zhu, B. Schlitzer, M. Cadeddu, E. V. Unzhakov, C. Stanford, K. Pelczar, B. J. Mount, Cristiano Galbiati, J. Tatarowicz, Mariano Cadoni, P. Trinchese, A. Navrer Agasson, Jilei Xu, N. Rossi, E. Shields, O. Smirnov, M. Verducci, Severino Angelo Maria Bussino, B. Baldin, A. Tonazzo, C. Dionisi, M. D. Skorokhvatov, Stefano Maria Mari, S. Parmeggiano, J. Brodsky, P. Saggese, P. Musico, Cécile Jollet, E. Segreto, V. N. Muratova, A. Monte, A. Alton, G. Fiorillo, B. Bottino, I. N. Machulin, J. Wilhelmi, G. Forster, M. Carlini, Chung-Yao Yang, M. Cariello, A. Candela, V. Bocci, M. D'Incecco, Xiang Xiao, P. N. Singh, Marco Pallavicini, D. D'Angelo, Q. Riffard, L. Pagani, Anselmo Meregaglia, H. Qian, D. Hughes, Maria Rescigno, S. De Cecco, Jim Napolitano, R. Milincic, Hui Wang, G. Koh, Marcello Lissia, S. Odrowski, A. V. Derbin, D. M. Asner, Thomas Alexander, W. Sands, J. Miller, M. Orsini, R. Tartaglia, N. Pelliccia, A. Pocar, J. Maricic, D. Montanari, Stuart Derek Walker, A. Vishneva, M. Gromov, Gioacchino Ranucci, Paolo Lombardi, Y. Q. Ma, L. Marini, M. Bossa, D. Korablev, M. Wada, Ivone F. M. Albuquerque, Peter Daniel Meyers, Irina James, D. Franco, S. Pordes, Y. Guardincerri, D. Semenov, A. Brigatti, D. Sablone, W. Zhong, Frank Calaprice, Y. Suvorov, S. Westerdale, K. Fomenko, G. K. Giovanetti, Alan Watson, A. Mandarano, X. Xiang, Marcin Wójcik, A. M. Goretti, A. S. Chepurnov, C. Giganti, E. Pantic, G. Zuzel, F. Gabriele, B. Reinhold, C. Savarese, E. V. Hungerford, M. De Deo, F. Budano, Stefano Giagu, B. Vogelaar, A. Sotnikov, G. Bonfini, K. Randle, X. Li, A. Oleinik, Fausto Ortica, H. O. Back, Yanchu Wang, S. Davini, C. J. Martoff, A. Devoto, B. R. Hackett, C. Cicalò, M. Razeti, K. Keeter, W. Bonivento, Biagio Rossi, E. Edkins, K. Biery, A. Fan, D. A. Pugachev, S. Catalanotti, A. G. Cocco, F. Di Eusanio, K. Herner, Aldo Romani, P. Agnes, C. L. Kendziora, M. Caravati, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-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)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), DarkSide, 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 de Paris (UP), 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 National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), 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 Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Asner, D. M., Back, H. O., Baldin, B., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bossa, Maria, Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Caravati, M., Cariello, M., Carlini, M., Catalanotti, Sergio, Cavalcante, P., Chepurnov, A., Cicalo, C., Cocco, ALFREDO GIUSEPPE, Covone, Giovanni, D'Angelo, D., D'Incecco, M., Davini, S., De Cecco, S., De Deo, M., De Vincenzi, M., Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Dionisi, C., Edkins, E., Empl, A., Fan, A., Fiorillo, Giuliana, Fomenko, K., Forster, G., Franco, D., Gabriele, F., Galbiati, C., Giagu, S., Giganti, C., Giovanetti, G. K., Goretti, A. M., Granato, F., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K., Hughes, D., Humble, P., Hungerford, E. V., Ianni, A., James, I., Johnson, T. N., Jollet, C., Keeter, K., Kendziora, C. L., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Loer, B., Lombardi, P., Longo, Giuseppe, Ma, Y., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Milincic, R., Miller, J. D., Montanari, D., Monte, A., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Agasson, A. Navrer, Odrowski, S., Oleinik, A., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Rountree, D., Sablone, D., Saggese, P., Sands, W., Savarese, C., Schlitzer, B., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, B., Wada, M., Walker, Susan Elizabeth, Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xiao, X., Xu, J., Yang, C., Zhong, W., Zhu, C., Zuzel, G., AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Pluridisciplinaire Hubert Curien ( IPHC ), Centre National de la Recherche Scientifique ( CNRS ) -Université de Strasbourg ( UNISTRA ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Bossa, M., Budano, Federico, Bussino, Severino Angelo Maria, Catalanotti, S., Cicalò, C., Cocco, A. G., Covone, G., Cecco, S. De, Deo, M. De, Vincenzi, M. De, Eusanio, F. Di, Pietro, G. Di, Fiorillo, G., James, Irina, Longo, G., Mari, Stefano Maria, Stanford, C, and Walker, S.
Subjects: radon: decay, Physics - Instrumentation and Detectors, Yield (engineering), Materials science, Field (physics), MATÉRIA ESCURA, Physics::Instrumentation and Detectors, Alpha (ethology), FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, 01 natural sciences, electric field: effect, Dark Matter detectors (WIMPs, axions, etc.), Electric field, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation, Mathematical Physics, scintillation counter, Scintillation, Time projection chamber, helium: irradiation, 010308 nuclear & particles physics, Alpha particle, Instrumentation and Detectors (physics.ins-det), time projection chamber: liquid argon, Large detector systems for particle and astroparticle physic, Decay chain, Atomic physics, photon: yield
Abstract: Measurements were made of scintillation light yield of alpha particles from the $^{222}$Rn decay chain within the DarkSide-50 liquid argon time projection chamber. The light yield was found to increase as the applied electric field increased, with alphas in a 200 V/cm electric field exhibiting a 2% increase in light yield compared to alphas in no field., Comment: 5 pages, 5 figures
Published: 2016
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10. The veto system of the DarkSide-50 experiment

Author: E. Shields, J. Yoo, Nicomede Pelliccia, A. G. Cocco, B. Reinhold, E. Pantic, C. Giganti, Laura Cadonati, Cécile Jollet, Fausto Ortica, Mariano Cadoni, Andrea Ianni, Sandra Zavatarelli, M. Carlini, E. Edkins, P. N. Singh, K. Fomenko, F. Budano, O. Smirnov, K. Biery, Yanchu Wang, M. D. Skorokhvatov, N. Rossi, L. Agostino, Henning O. Back, L. Grandi, Griffin Foster, H. Cao, S. Parmeggiano, B. R. Hackett, B. Baldin, S. Perasso, A. Zec, Paolo Musico, T. Miletic, A. Fan, D. A. Pugachev, E. V. Unzhakov, E. Segreto, J. Tatarowicz, Ivone F. M. Albuquerque, C. Savarese, A. K. Alton, S. Pordes, S. Walker, Hui Wang, L. Pagani, K. Arisaka, P. Trinchese, P. J. Mosteiro, E. V. Hungerford, S. Davini, A. Brigatti, M. Orsini, L. Crippa, G. Fiorillo, D. Sablone, C. J. Martoff, G. Bonfini, R. Saldanha, Michele Montuschi, A. Candela, S. Odrowski, P. D. Meyers, Thomas Alexander, Jingke Xu, S. Westerdale, G. Testera, D. A. Semenov, K. Pelczar, Cristiano Galbiati, Yanhui Ma, G. Di Pietro, Giovanni Covone, J. Wilhelmi, R. Milincic, M. De Deo, A. Nelson, M. Wada, M. D'Incecco, Stefano Maria Mari, A. S. Kubankin, R. Tartaglia, K. J. Keeter, Frank Calaprice, X. Xiang, Severino Angelo Maria Bussino, G. Koh, Anselmo Meregaglia, H. Qian, Y. Guardincerri, A. Sotnikov, A. Mandarano, S. Catalanotti, D. Franco, W. Zhong, B. J. Mount, Y. Suvorov, M. Gromov, S. Luitz, V. N. Muratova, V. V. Kobychev, A. S. Chepurnov, W. Sands, C. Zhu, P. Cavalcante, B. Bottino, M. E. Monzani, A. Devoto, F. Di Eusanio, C. Stanford, A. Pocar, Denis Korablev, Samuele Sangiorgio, Aldo Romani, J. Brodsky, P. Saggese, P. Agnes, S. D. Rountree, D. Montanari, M. Cadeddu, Paolo Lombardi, M. Lissia, A. Monte, A. V. Derbin, S. De Cecco, Chung-Yao Yang, L. Marini, M. Bossa, B. Rossi, Alan Watson, G. Zuzel, Gioacchino Ranucci, K. Herner, F. Gabriele, Jim Napolitano, K. Randle, A. Tonazzo, A. Vishneva, X. Li, C. L. Kendziora, Irina James, J. Maricic, G. Korga, F. Granato, I. N. Machulin, N. Canci, Marco Pallavicini, D. D'Angelo, Anton Empl, M. M. Wojcik, A. L. Renshaw, Aldo Ianni, A. M. Goretti, M. Cariello, A. Razeto, T. N. Johnson, R. B. Vogelaar, Min-Xin Guan, M. De Vincenzi, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-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)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), DarkSide, 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 de Paris (UP), 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 National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Agnes, P., Agostino, L., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Arisaka, K., Back, H. O., Baldin, B., Biery, K., Bonfini, G., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cocco, A. G., Covone, G., Crippa, L., D'Angelo, D., D'Incecco, M., Davini, S., De Cecco, S., De Deo, M., De Vincenzi, M., Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Edkins, E., Empl, A., Fan, A., Fiorillo, Giuliana, Fomenko, K., Foster, G., Franco, D., Gabriele, F., Galbiati, C., Giganti, C., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K. R., Hungerford, E. V., Ianni, Aldo, Ianni, Andrea, James, I., Johnson, T., Jollet, C., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Lombardi, P., Luitz, S., Ma, Y., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M. E., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Nelson, A., Odrowski, S., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Perasso, S., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeto, A., Reinhold, B., Renshaw, A. L., Romani, A., Rossi, B., Rossi, N., Rountree, S. D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Pluridisciplinaire Hubert Curien ( IPHC ), Centre National de la Recherche Scientifique ( CNRS ) -Université de Strasbourg ( UNISTRA ), Bussino, Severino Angelo Maria, DE VINCENZI, Mario, Fiorillo, G., James, Irina, Mari, Stefano Maria, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), 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 Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), ANR-10-LABX-0023,UnivEarthS,Earth - Planets - Universe: observation, modeling, transfer(2010), and ANR-11-IDEX-0005,USPC,Université Sorbonne Paris Cité(2011)
Subjects: fast neutrons), Physics - Instrumentation and Detectors, axions, gas and liquid scintillators), Cherenkov detector, Cherenkov and transition radiation, Physics::Instrumentation and Detectors, Cherenkov counter: water, Nuclear Theory, scintillation counter: liquid, FOS: Physical sciences, Scintillator, 01 natural sciences, Particle detector, High Energy Physics - Experiment, law.invention, thermal, Dark Matter detectors (WIMPs, axions, etc.), Nuclear physics, High Energy Physics - Experiment (hep-ex), WIMP, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], law, etc.), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Neutron detection, Neutron, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Nuclear Experiment, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation, Dark Matter detectors (WIMPs, Mathematical Physics, Event reconstruction, nucleus: recoil, Physics, 010308 nuclear & particles physics, Detector, Instrumentation and Detectors (physics.ins-det), Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators), Neutron detectors (cold, thermal, fast neutrons), Neutron detectors (cold, scintillation and light emission processes (solid, Scintillators, High Energy Physics::Experiment, performance
Abstract: International audience; Nuclear recoil events produced by neutron scatters form one of the most important classes of background in WIMP direct detection experiments, as they may produce nuclear recoils that look exactly like WIMP interactions. In DarkSide-50, we both actively suppress and measure the rate of neutron-induced background events using our neutron veto, composed of a boron-loaded liquid scintillator detector within a water Cherenkov detector. This paper is devoted to the description of the neutron veto system of DarkSide-50, including the detector structure, the fundamentals of event reconstruction and data analysis, and basic performance parameters.
Published: 2016

11. DarkSide-50: Status of the detector and results

Author: Nicomede Pelliccia, A. Meregaglia, B. Reinhold, D. Rountree, C. Savarese, M. De Vincenzi, R. Tartaglia, B. Hackett, Jingke Xu, Stefano Giagu, Q. Riffard, P. Saggese, V. Bocci, K. Pelczar, Mariano Cadoni, C. Dionisi, Al. Ianni, Caoxiang Zhu, A. Devoto, D. A. Semenov, N. Canci, E. Shields, A. L. Renshaw, B. Schlitzer, D. Montanari, N. Rossi, E. Pantic, S. Bussino, M. Cadeddu, Giovanni Covone, D. M. Asner, C. Cicalo, Y. Suvorov, M. Rescigno, P. Cavalcante, S. De Cecco, G. Di Pietro, Chung-Yao Yang, A. V. Derbin, V. N. Muratova, Augusto Brigatti, Paolo Lombardi, K. Biery, Yanchu Wang, A. Empl, G. Forster, A. Razeto, C. Stanford, G. Fiorillo, P. D. Meyers, J. Wilhelmi, M. Wada, M. D. Skorokhvatov, Min-Xin Guan, R. Saldanha, A. Zec, S. Pordes, L. Grandi, J. P. Brodsky, M. Orsini, A. Navrer Agasson, A. M. Goretti, M. D'Incecco, Y. Guardincerri, S. Parmeggiano, M. Cariello, M. Lissia, Han Wang, P. N. Singh, H. Qian, Stuart Derek Walker, Ben Loer, C. L. Kendziora, L. Pagani, Gioacchino Ranucci, P. Trinchese, D. Hughes, B. Vogelaar, C. Giganti, Thomas Alexander, J. Tatarowicz, A. Pocar, E. Segreto, B. J. Mount, G. Zuzel, Paolo Musico, A. Fan, D. A. Pugachev, Irina James, B. Baldin, Xiang Xiao, Yanhui Ma, Paul H. Humble, I. N. Machulin, E. Edkins, An. Ianni, A. K. Alton, M. De Deo, O. Smirnov, A. S. Kubankin, B. Bottino, E. V. Hungerford, D. Franco, D. D'Angelo, S. Westerdale, Giuseppe Longo, W. Zhong, D. Sablone, A. Sotnikov, A. Candela, J. Maricic, H. O. Back, E. V. Unzhakov, S. Davini, M. Gromov, W. Sands, Xiujiang Li, T. N. Johnson, M. Caravati, K. Herner, F. Di Eusanio, M. M. Wojcik, L. Marini, M. Bossa, Aldo Romani, C. Galbiati, B. Rossi, Alan Watson, A. Mandarano, P. Agnes, R. Milincic, K. Randle, S. Catalanotti, A. Vishneva, A. G. Cocco, S. M. Mari, C. Jollet, M. Razeti, A. S. Chepurnov, G. Koh, F. Granato, S. Odrowski, G. K. Giovanetti, G. Testera, Denis Korablev, C. J. Martoff, G. Bonfini, K. J. Keeter, Frank Calaprice, X. Xiang, J. Miller, Ivone F. M. Albuquerque, A. Monte, Laura Cadonati, Fausto Ortica, M. Carlini, G. Korga, K. Fomenko, F. Budano, W. Bonivento, Marco Pallavicini, F. Gabriele, Jim Napolitano, A. Tonazzo, Monica Verducci, Guardincerri, Y., Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Asner, D. M., Back, H. O., Baldin, B., Biery, K., Bocci, V., Bonfini, G., Bonivento, W., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Caravati, M., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cicalo, C., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., Davini, S., De Cecco, S., De Deo, M., De Vincenzi, M., Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Dionisi, C., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Forster, G., Franco, D., Gabriele, F., Galbiati, C., Giagu, S., Giganti, C., Giovanetti, G. K., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Hackett, B. R., Herner, K., Hughes, D., Humble, P., Hungerford, E. V., Ianni, A. L., Ianni, A. N., James, I., Johnson, T. N., Jollet, C., Keeter, K., Kendziora, C. L., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Loer, B., Lombardi, P., Longo, G., Ma, Y., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Milincic, R., Miller, J. D., Montanari, D., Monte, A., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Agasson, A. N., Odrowski, S., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeti, M., Razeto, A., Reinhold, B., Renshaw, A. L., Rescigno, M., Riffard, Q., Romani, A., Rossi, B., Rossi, N., Rountree, D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Savarese, C., Schlitzer, B., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Verducci, M., Vishneva, A., Vogelaar, B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X. I., Xiao, X., Xu, J., Yang, C., Zec, A., Zhong, W., Zhu, C., Zuzel, G., 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 de Paris (UP), Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL), 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 Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), 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 Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), David Schmitz, Guardincerri, Yann, Bottino, Bianca, Cocco, A., Giagu, Stefano, Giovanetti, G., Goretti, A., Hackett, B., Ianni, Al., Ianni, An., Machulin, I., Muratova, V., Navrer Agasson, A., Semenov, D., Skorokhvatov, M., Unzhakov, E., Wojcik, M., and Xiang, X.
Subjects: Cryostat, experimental methods, Physics::Instrumentation and Detectors, Dark matter, chemistry.chemical_element, Scintillator, 7. Clean energy, dark matter, Nuclear physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Neutron, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment, Cherenkov radiation, ComputingMilieux_MISCELLANEOUS, scintillation counter, Physics, Time projection chamber, Argon, Multidisciplinary, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Gran Sasso, time projection chamber, liquid argon, Cherenkov counter, experimental equipment, chemistry, High Energy Physics::Experiment
Abstract: International audience; DarkSide-50 is a direct dark matter search experiment operating underground at Laboratori Nazionali del Gran Sasso. It is based on a Time Projection Chamber (TPC) that contains 50 kg of liquid argon; the TPC cryostat sits inside an active neutron veto based on a boron-loaded organic scintillator, which is in turn installed inside a water Cherenkov muon veto. The experiment started acquiring data in Nov 2013 filled with atmospheric argon. In April 2015 it commissioned the low-radioactivity argon from underground sources and has been running in a stable manner since then. We report the current status of the detector and the latest results, including the measurement of the radioactivity of the underground argon and the most sensitive dark matter search performed with an argon target.
Published: 2016

12. The DarkSide Project

Author: Mariano Cadoni, L. Marini, M. Bossa, E. Shields, N. Rossi, B. Rossi, F. Gabriele, S. Bussino, D. A. Semenov, Jim Napolitano, Giovanni Covone, F. Di Eusanio, Alan Watson, V. N. Muratova, S. Perasso, Aldo Romani, K. Biery, Yanchu Wang, A. Tonazzo, P. Agnes, A. K. Alton, B. R. Hackett, A. M. Goretti, R. Tartaglia, M. Cariello, M. E. Monzani, A. Nelson, Al. Ianni, P. J. Mosteiro, T. Miletic, A. Pocar, Min-Xin Guan, A. Zec, S. Pordes, G. Forster, Sandra Zavatarelli, R. Milincic, Jingke Xu, Stefano Maria Mari, Hui Wang, B. J. Mount, C. Zhu, P. Cavalcante, Thomas Alexander, P. Trinchese, R. Saldanha, G. Koh, K. Pelczar, M. Montuschi, Paolo Musico, A. Fan, D. A. Pugachev, Cristiano Galbiati, B. Baldin, Ivone F. M. Albuquerque, J. Tatarowicz, M. Lissia, D. Montanari, S. Walker, E. Pantic, Samuele Sangiorgio, An. Ianni, Gioacchino Ranucci, C. Savarese, E. Segreto, H. Cao, M. Orsini, B. Bottino, M. De Vincenzi, A. Vishneva, D. Franco, S. Davini, W. Zhong, A. Mandarano, L. Crippa, C. L. Kendziora, M. D. Skorokhvatov, A. Monte, L. Grandi, Irina James, M. Carlini, A. L. Renshaw, Nicomede Pelliccia, V. V. Kobychev, Cécile Jollet, J. Wilhelmi, P. N. Singh, Chung-Yao Yang, A. V. Derbin, B. Reinhold, M. Wada, O. Smirnov, S. Parmeggiano, Y. Guardincerri, K. Fomenko, F. Budano, B. Vogelaar, Yanhui Ma, C. Giganti, Laura Cadonati, S. Odrowski, G. Di Pietro, E. V. Unzhakov, M. De Deo, E. Edkins, A. Brigatti, Fausto Ortica, D. Sablone, C. J. Martoff, G. Bonfini, A. Devoto, G. Testera, L. Agostino, D. Rountree, K. J. Keeter, J. Yoo, Paolo Lombardi, Henning O. Back, M. Gromov, J. Maricic, W. Sands, Frank Calaprice, X. Xiang, Peter Daniel Meyers, A. Kubankin, Y. Suvorov, S. Westerdale, A. Candela, A. S. Chepurnov, C. Stanford, Denis Korablev, J. Brodsky, P. Saggese, K. Randle, X. Li, G. Korga, F. Granato, I. N. Machulin, N. Canci, Marco Pallavicini, D. D'Angelo, Anton Empl, M. M. Wojcik, K. Arisaka, G. Fiorillo, L. Pagani, M. D'Incecco, Anselmo Meregaglia, H. Qian, M. Cadeddu, S. Luitz, A. Razeto, E. V. Hungerford, A. Sotnikov, K. Herner, S. De Cecco, G. Zuzel, S. Catalanotti, A. G. Cocco, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Théorique et Hautes Energies (LPTHE), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), DarkSide project, 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 de Paris (UP), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Agnes, P., Agostino, L., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Arisaka, K., Back, H. O., Baldin, B., Biery, K., Bonfini, G., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, F., Bussino, S., Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cocco, A. G., Covone, G., Crippa, L., D'Angelo, D., D'Incecco, M., Davini, S., De Cecco, S., De Deo, M., De Vincenzi, M., Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Edkins, E., Empl, A., Fan, A., Fiorillo, Giuliana, Fomenko, K., Forster, G., Franco, D., Gabriele, F., Galbiati, C., Giganti, C., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K., Hungerford, E. V., Ianni, A. l., Ianni, A. n., James, I., Jollet, C., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Lombardi, P., Luitz, S., Ma, Y., Machulin, I. N., Mandarano, A., Mari, S. M., Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Nelson, A., Odrowski, S., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Perasso, S., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeto, A., Reinhold, B., Renshaw, A. L., Romani, A., Rossi, B., Rossi, N., Rountree, D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Vishneva, A., Vogelaar, B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Westerdale, S., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., Bussino, Severino Angelo Maria, DE VINCENZI, Mario, Fiorillo, G., James, Irina, Mari, Stefano Maria, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: axions, Dark matter, chemistry.chemical_element, DarkSide, Noble liquid detectors (scintillation, ionization, double-phase), WIMP Argon Programme, Scintillator, dark matter: direct detection, 01 natural sciences, argon: nuclide, Dark Matter detectors (WIMPs, axions, etc.), Nuclear physics, Noble liquid detectors (scintillation, etc.), 0103 physical sciences, ionization, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Instrumentation, Dark Matter detectors (WIMPs, Mathematical Physics, Physics, Argon, 010308 nuclear & particles physics, Large detector systems for particle and astroparticle physics, Time projection Chambers (TPC), double-phase), time projection chamber: liquid argon, deep underground detector, Gran Sasso, chemistry, Project based, Large detector systems for particle and astroparticle physic, National laboratory, performance, ArDM
Abstract: International audience; DarkSide is a graded experimental project based on radiopure argon, and is now, and will be, used in direct dark matter searches. The present DarkSide-50 detector, operating at the Gran Sasso National Laboratory, is a dual-phase, 50 kg, liquid argon time-projection-chamber surrounded by an active liquid scintillator veto. It is designed to be background free in 3 years of operation. DS-50 performances, when filled with atmospheric argon, are reported. However DS-50 filled with underground argon, shows impressive reduction of the (39)Ar isotope. The application of this powerful technology in a future generation of the DarkSide program is discussed.
Published: 2015

13. The DarkSide-50 outer detectors

Author: J. Maricic, S. Perasso, S. Walker, I. N. Machulin, N. Canci, Marco Pallavicini, D. D'Angelo, L. Grandi, Nicomede Pelliccia, K. Arisaka, C. Stanford, G. Fiorillo, A. M. Goretti, S. De Cecco, B. Reinhold, Anton Empl, M. M. Wojcik, Gioacchino Ranucci, S. Luitz, M. Cariello, Thomas Alexander, A. Brigatti, C. Giganti, Laura Cadonati, M. D'Incecco, Anselmo Meregaglia, Jingke Xu, W. Sands, H. Qian, C. J. Martoff, G. Bonfini, C. Savarese, K. J. Keeter, G. Zuzel, M. Orsini, Han Wang, L. Marini, Frank Calaprice, E. V. Hungerford, X. Xiang, E. Pantic, Sandra Zavatarelli, G. Testera, M. Bossa, F. Granato, B. Rossi, D. Franco, A. S. Kubankin, R. Tartaglia, A. Sotnikov, W. Zhong, K. Pelczar, Caoxiang Zhu, M. Cadeddu, Y. Suvorov, Cristiano Galbiati, S. Westerdale, P. J. Mosteiro, Michele Montuschi, E. Shields, Alan Watson, A. Mandarano, A. Monte, Cécile Jollet, Min-Xin Guan, S. Bussino, S. Catalanotti, Fausto Ortica, B. Bottino, S. M. Mari, A. Razeto, A. S. Chepurnov, Mariano Cadoni, Griffin Foster, P. Cavalcante, A. G. Cocco, B. Vogelaar, M. Lissia, C. L. Kendziora, Irina James, Henning O. Back, J. Tatarowicz, N. Rossi, M DSkorokhvatov, Xiujiang Li, H. Cao, T. Miletic, B. Baldin, V. N. Muratova, K. Biery, Yanchu Wang, Samuele Sangiorgio, L. Agostino, E. Edkins, Ianni Aldo, K. Herner, P. D. Meyers, R. Saldanha, J. Wilhelmi, M. Wada, S. Davini, F. Di Eusanio, Y. Guardincerri, M. De Vincenzi, Yanhui Ma, M. De Deo, A. L. Renshaw, Ivone F. M. Albuquerque, Aldo Romani, M. Gromov, P. Agnes, Ianni Andrea, J. Yoo, R. Milincic, Denis Korablev, F. Gabriele, E. Segreto, J. Brodsky, Jim Napolitano, P. Saggese, A. Tonazzo, M. Carlini, Paolo Musico, P. N. Singh, A. Fan, D. A. Pugachev, G. Di Pietro, Giovanni Covone, V. V. Kobychev, G. Koh, K. Fomenko, F. Budano, A. Devoto, S. D. Rountree, Paolo Lombardi, B. R. Hackett, A. Zec, S. Pordes, D. Sablone, A. Candela, L. Pagani, D. Montanari, P Trinchese, Chung-Yao Yang, A. V. Derbin, A. K. Alton, B. J. Mount, M. E. Monzani, A. Pocar, O. Smirnov, S. Parmeggiano, E. V. Unzhakov, G. Korga, K. Randle, A. Vishneva, D. A. Semenov, Darkside Collaboration, The, Westerdale, S., Agnes, P., Agostino, L., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Arisaka, K., Back, H. O., Baldin, B., Biery, K., Bonfini, G., Bossa, M., Bottino, B., Brigatti, A., Brodsky, J., Budano, Federico, Bussino, Severino Angelo Maria, Cadeddu, M., Cadonati, L., Cadoni, M., Calaprice, F., Canci, N., Candela, A., Cao, H., Cariello, M., Carlini, M., Catalanotti, S., Cavalcante, P., Chepurnov, A., Cocco, A. G., Covone, G., D'Angelo, D., D'Incecco, M., Davini, S., De Cecco, S., De Deo, M., DE VINCENZI, Mario, Derbin, A., Devoto, A., Di Eusanio, F., Di Pietro, G., Edkins, E., Empl, A., Fan, A., Fiorillo, G., Fomenko, K., Foster, G., Franco, D., Gabriele, F., Galbiati, C., Giganti, C., Goretti, A. M., Granato, F., Grandi, L., Gromov, M., Guan, M., Guardincerri, Y., Hackett, B. R., Herner, K. R., Hungerford, E. V., Aldo, Ianni, Andrea, Ianni, James, Irina, Jollet, C., Keeter, K., Kendziora, C. L., Kobychev, V., Koh, G., Korablev, D., Korga, G., Kubankin, A., Li, X., Lissia, M., Lombardi, P., Luitz, S., Ma, Y., Machulin, I. N., Mandarano, A., Mari, Stefano Maria, Maricic, J., Marini, L., Martoff, C. J., Meregaglia, A., Meyers, P. D., Miletic, T., Milincic, R., Montanari, D., Monte, A., Montuschi, M., Monzani, M. E., Mosteiro, P., Mount, B. J., Muratova, V. N., Musico, P., Napolitano, J., Orsini, M., Ortica, F., Pagani, L., Pallavicini, M., Pantic, E., Parmeggiano, S., Pelczar, K., Pelliccia, N., Perasso, S., Pocar, A., Pordes, S., Pugachev, D. A., Qian, H., Randle, K., Ranucci, G., Razeto, A., Reinhold, B., Renshaw, A. L., Romani, A., Rossi, B., Rossi, N., Rountree, S. D., Sablone, D., Saggese, P., Saldanha, R., Sands, W., Sangiorgio, S., Savarese, C., Segreto, E., Semenov, D. A., Shields, E., Singh, P. N., Dskorokhvatov, M., Smirnov, O., Sotnikov, A., Stanford, C., Suvorov, Y., Tartaglia, R., Tatarowicz, J., Testera, G., Tonazzo, A., Trinchese, P., Unzhakov, E. V., Vishneva, A., Vogelaar, B., Wada, M., Walker, S., Wang, H., Wang, Y., Watson, A. W., Wilhelmi, J., Wojcik, M. M., Xiang, X., Xu, J., Yang, C., Yoo, J., Zavatarelli, S., Zec, A., Zhong, W., Zhu, C., Zuzel, G., Westerdale, S, Agnes, P, Agostino, L, Albuquerque, I. F. M, Alexander, T, Alton, A. K, Arisaka, K, Back, H. O, Baldin, B, Biery, K, Bonfini, G, Bossa, M, Bottino, B, Brigatti, A, Brodsky, J, Budano, F, Bussino, S, Cadeddu, M, Cadonati, L, Cadoni, M, Calaprice, F, Canci, N, Candela, A, Cao, H, Cariello, M, Carlini, M, Catalanotti, Sergio, Cavalcante, P, Chepurnov, A, Cocco, ALFREDO GIUSEPPE, Covone, Giovanni, D’Angelo, D, D’Incecco, M, Davini, S, De Cecco, S, De Deo, M, De Vincenzi, M, Derbin, A, Devoto, A, Di Eusanio, F, Di Pietro, G, Edkins, E, Empl, A, Fan, A, Fiorillo, Giuliana, Fomenko, K, Foster, G, Franco, D, Gabriele, F, Galbiati, C, Giganti, C, Goretti, A. M, Granato, F, Grandi, L, Gromov, M, Guan, M, Guardincerri, Y, Hackett, B. R, Herner, K. R, Hungerford, E. V, James, I, Jollet, C, Keeter, K, Kendziora, C. L, Kobychev, V, Koh, G, Korablev, D, Korga, G, Kubankin, A, Li, X, Lissia, M, Lombardi, P, Luitz, S, Ma, Y, Machulin, I. N, Mandarano, A, Mari, S. M, Maricic, J, Marini, L, Martoff, C. J, Meregaglia, A, Meyers, P. D, Miletic, T, Milincic, R, Montanari, D, Monte, A, Montuschi, M, Monzani, M. E, Mosteiro, P, Mount, B. J, Muratova, V. N, Musico, P, Napolitano, J, Orsini, M, Ortica, F, Pagani, L, Pallavicini, M, Pantic, E, Parmeggiano, S, Pelczar, K, Pelliccia, N, Perasso, S, Pocar, A, Pordes, S, Pugachev, D. A, Qian, H, Randle, K, Ranucci, G, Razeto, A, Reinhold, B, Renshaw, A. L, Romani, A, Rossi, B, Rossi, N, Rountree, S. D, Sablone, D, Saggese, P, Saldanha, R, Sands, W, Sangiorgio, S, Savarese, C, Segreto, E, Semenov, D. A, Shields, E, Singh, P. N, Dskorokhvatov, M, Smirnov, O, Sotnikov, A, Stanford, C, Suvorov, Y, Tartaglia, R, Tatarowicz, J, Testera, G, Tonazzo, A, Trinchese, P, Unzhakov, E. V, Vishneva, A, Vogelaar, B, Wada, M, Walker, Susan Elizabeth, Wang, H, Wang, Y, Watson, A. W, Wilhelmi, J, Wojcik, M. M, Xiang, X, Xu, J, Yang, C, Yoo, J, Zavatarelli, S, Zec, A, Zhong, W, and Zhu, C
Subjects: Physics, Physics and Astronomy (all), History, Physics::Instrumentation and Detectors, Astrophysics::Instrumentation and Methods for Astrophysics, High Energy Physics::Experiment, DarkSide, Computer Science Applications, Education
Abstract: DarkSide-50 is a dark matter detection experiment searching for Weakly Interacting Massive Particles (WIMPs), in Gran Sasso National Laboratory. For experiments like DarkSide-50, neutrons are one of the primary backgrounds that can mimic WIMP signals. The experiment consists of three nested detectors: a liquid argon time projection chamber surrounded by two outer detectors. The outermost detector is a 10 m by 11 m cylindrical water Cherenkov detector with 80 PMTs, designed to provide shielding and muon vetoing. Inside the water Cherenkov detector is the 4 m diameter spherical boron-loaded liquid scintillator veto, with a cocktail of pseudocumene, trimethyl borate, and PPO wavelength shifter, designed to provide shielding, neutron vetoing, and in situ measurements of the TPC backgrounds. We present design and performance details of the DarkSide-50 outer detectors.
Published: 2016

14. Gamma-ray astronomy and cosmic-ray physics with ARGO-YBJ

Author: C. Q. Liu, X. Y. Zhang, H. Y. Jia, A. K. Calabrese Melcarne, P. Creti, Li J. Y., Giovanni Mancarella, I. Bolognino, P. Vallania, Wu C. Y., S. Catalanotti, P. Pistilli, H. M. Zhang, G. Marsella, X. X. Zhou, M. Iacovacci, M. Zha, Carla Bleve, M. Panareo, Stefano Maria Mari, B. S. Wang, M. Dattoli, Zhaxisangzhu, L. Xue, S. W. Cui, X. H. Ding, L. Zhang, Huaguang Wang, Roberto Cardarelli, Q. Q. Zhu, A. Surdo, Fudong Shi, Q. B. Gou, Qu X. B., G. Di Sciascio, X. X. Yan, Lu H., Y. H. Tan, Y. Q. Guo, Q. Huang, He H. H., X. C. Yang, Antonio Budano, Haibing Hu, I. De Mitri, Zihuang Cao, Zhenyong Feng, Bi X. J., Jilong Zhang, A. Pagliaro, P. R. Shen, C. Cattaneo, Jianli Zhang, J. Liu, T. L. Chen, Y. B. Chen, Y. Zhang, Irina James, Paolo Camarri, D. Martello, P. Salvini, S. Vernetto, Zhaxiciren, P. Bernardini, L. Perrone, A. F. Yuan, Z. G. Yao, C. Liu, T. Di Girolamo, Xu B., B. Panico, Danzengluobu, S. Mastroianni, Li H. J., R. Santonico, C. F. Feng, B. Z. Dai, Paolo Montini, G. D’Al´ı Staiti, E. Giroletti, Carlo Vigorito, R. Iuppa, Cristian Stanescu, P. Branchini, Hongbo Hu, X. D. Sheng, Labaciren, M. Y. Liu, G. Liguori, Wu H. R., F. Ruggieri, B. D'Ettorre Piazzoli, Q. Y. Yang, G. Zizzi, F. R. Zhu, Chang-Chun Ning, Zhaoyang Feng, Li X. X., P. F. Zhang, Ma X. H., and S. Z. Chen
Subjects: Physics, Astronomy, Cosmic ray, Gamma-ray astronomy, Solar physics
Published: 2012

15. Observation of TeV gamma rays from the Cygnus region with the ARGO-YBJ experiment

Author: Carla Bleve, Q. Q. Zhu, B. S. Wang, Zhaxisangzhu, Hongbo Hu, C. F. Feng, B. Bartoli, Carlo Vigorito, S. M. Mari, A. F. Yuan, X. D. Sheng, Zhengguo Cao, Paolo Montini, T. Di Girolamo, G. Liguori, B. D'Ettorre Piazzoli, R. Iuppa, L. L. Ma, Haibing Hu, Jilong Zhang, Y. Q. Guo, E. Giroletti, Y. B. Chen, H. J. Li, Chang-Chun Ning, Zhaoyang Feng, H. R. Wu, F. Ruggieri, Y. Zhang, P. Bernardini, S. W. Cui, D. Martello, B. Panico, Labaciren, Jianli Zhang, L. Xue, M. Iacovacci, M. Zha, M. Y. Liu, P. R. Shen, X. Y. Zhang, B. Z. Dai, J. K. K. Liu, Antonio Budano, P. Pistilli, H. M. Zhang, X. X. Zhou, C. Cattaneo, H. Y. Jia, X. H. Ding, Hong-peng Lu, Q. Y. Yang, Zhaxiciren, P. Creti, A. K. Calabrese Melcarne, P. F. Zhang, Cristian Stanescu, P. Branchini, A. Surdo, Roberto Cardarelli, Danzengluobu, G. Zizzi, Q. Huang, X. J. Bi, G. Marsella, Zhenyong Feng, F. R. Zhu, S. Vernetto, C. Liu, Bingwei Xu, X. X. Li, S. Catalanotti, Paolo Camarri, Z. G. Yao, H.H. He, M. Dattoli, M. Panareo, Huaguang Wang, Y. H. Tan, X. H. Ma, Q. B. Gou, I. De Mitri, J. B. Zhao, P. Salvini, Fudong Shi, A. Pagliaro, S. Mastroianni, J. Y. Li, T. L. Chen, I. Bolognino, S. Z. Chen, Giovanni Mancarella, G. Di Sciascio, X. C. Yang, R. Santonico, Irina James, L. Perrone, F. Galeazzi, Longzhou Zhang, C. Y. Wu, C. Q. Liu, G. D'Alí Staiti, P. Vallania, B., Bartoli, Bernardini, Paolo, X. J., Bi, C., Bleve, I., Bolognino, P., Branchini, A., Budano, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, R., Cardarelli, S., Catalanotti, C., Cattaneo, S. Z., Chen, T. L., Chen, Y., Chen, P., Creti, S. W., Cui, B. Z., Dai, G., D'Alí Staiti, Danzengluobu, M., Dattoli, DE MITRI, Ivan, B., D'Ettorre Piazzoli, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, F., Galeazzi, E., Giroletti, Q. B., Gou, Y. Q., Guo, H. H., He, Haibing, Hu, Hongbo, Hu, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, Labaciren, H. J., Li, J. Y., Li, X. X., Li, G., Liguori, C., Liu, C. Q., Liu, J., Liu, M. Y., Liu, H., Lu, L. L., Ma, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, B., Panico, Perrone, Lorenzo, P., Pistilli, F., Ruggieri, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Q. Y., Yang, X. C., Yang, Z. G., Yao, A. F., Yuan, M., Zha, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, J., Zhao, Zhaxiciren, Zhaxisangzhu, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, G., Zizzi, Bartoli, Bruno, Bernardini, P., Bleve, C., Bolognino, I., Branchini, P., Budano, A., A. K. C., Camarri, P., Cao, Z., Cardarelli, R., Catalanotti, Sergio, Cattaneo, C., Chen, S. Z., Chen, T. L., Chen, Y., Creti, P., Cui, S. W., Dai, B. Z., Staiti, G. D., Dattoli, M., Mitri, I. D., D'ETTORRE PIAZZOLI, Benedetto, DI GIROLAMO, Tristano, Ding, X. H., Sciascio, G. D., Feng, C. F., Feng, Z. Y., Galeazzi, F., Giroletti, E., Gou, Q. B., Guo, Y. Q., H. B., Hu, Huang, Q., Iacovacci, Michele, Iuppa, R., James, I., Jia, H. Y., Liguori, G., Liu, C., Liu, C. Q., Liu, J., Liu, M. Y., Lu, H., Mancarella, G., Mari, S. M., Marsella, G., Martello, D., Mastroianni, S., Montini, P., Ning, C. C., Pagliaro, A., Panareo, M., Panico, B., Perrone, L., Pistilli, P., Ruggieri, F., Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Stanescu, C., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, B., Wang, H., Xu, B., Xue, L., Yang, Q. Y., Yang, X. C., Yao, Z. G., Yuan, A. F., Zha, M., Zhang, H. M., Zhang, J. L., Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhao, J., Zhou, X. X., Zhu, F. R., Zhu, Q. Q., Zizzi, G., Bartoli, B, Bernardini, P, Bi, XJ, Bleve, C, Bolognino, I, Branchini, P, Budano, A, Calabrese Melcarne, AK, Camarri, P, Cao, Z, Cardarelli, R, Catalanotti, S, Cattaneo, C, Chen, SZ, Chen, TL, Chen, Y, Creti, P, Cui, SW, Dai, BZ, D’Ali Staiti, G, Dattoli, M, De Mitri, I, D’Ettorre Piazzoli, B, Di Girolamo, T, Ding, XH, Di Sciascio, G, Feng, CF, Feng, ZYa, Feng, ZYo, Galeazzi, F, Giroletti, E, Gou, QB, Guo, YQ, He, HH, Hu, HBi, Hu, HBo, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, HY, Li, HJ, Li, JY, Li, XX, Liguori, G, Liu, C, Liu, CQ, Liu, J, Liu, MY, Lu, H, Ma, LL, Ma, XH, Mancarella, G, Mari, SM, Marsella, G, Martello, D, Mastroianni, S, Montini, P, Ning, CC, Pagliaro, A, Panareo, M, Panico, B, Perrone, L, Pistilli, P, Ruggieri, F, Salvini, P, Santonico, R, Shen, PR, Sheng, XD, Shi, F, Stanescu, C, Surdo, A, Tan, YH, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, CY, Wu, HR, Xu, B, Xue, L, Yang, QY, Yang, XC, Yao, ZG, Yuan, AF, M. Zha, M, Zhang, HM, Zhang, JLi, Zhang, JLo, Zhang, L, Zhang, P, Zhang, XY, Zhang, Y, Zhao, J, Zhaxiciren, Zhaxisangzhu, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, Bartoli, B., Bi, X. J., Melcarne A. K., Calabrese, Catalanotti, S., Staiti G., D'Ali, De Mitri, I., Piazzoli B., D'Ettorre, Di Girolamo, T., Di Sciascio, G., Feng, Zhaoyang, Feng, Zhenyong, He, H. H., Hu, Haibing, Hu, Hongbo, Iacovacci, M., Li, H. J., Li, J. Y., Li, X. X., Ma, L. L., Ma, X. H., Mari, Stefano Maria, Wu, C. Y., Wu, H. R., Zhang, Jilong, and Zhang, Jianli
Subjects: Astrophysics::High Energy Astrophysical Phenomena, general – pulsars: individual (MGRO J2019+37 [Gamma rays], Flux, FOS: Physical sciences, Astrophysics, 01 natural sciences, Pulsar wind nebula, general – pulsar, 0103 physical sciences, MILAGRO, 010303 astronomy & astrophysics, DETECTOR, Argo, Physics, CALIBRATION, High Energy Astrophysical Phenomena (astro-ph.HE), 010308 nuclear & particles physics, MGRO J2031+41), Settore FIS/01 - Fisica Sperimentale, Gamma ray, Astronomy and Astrophysics, individual (MGRO J2019+37, MGRO J2031+41), PLANE, 3. Good health, Medium energy, Crab Nebula, gamma ray, 13. Climate action, Space and Planetary Science, GALACTIC SOURCES, J2032+4130, Milagro, gamma rays, general – pulsars, EMISSION, Astrophysics - High Energy Astrophysical Phenomena
Abstract: We report the observation of TeV gamma-rays from the Cygnus region using the ARGO-YBJ data collected from 2007 November to 2011 August. Several TeV sources are located in this region including the two bright extended MGRO J2019+37 and MGRO J2031+41. According to the Milagro data set, at 20 TeV MGRO J2019+37 is the most significant source apart from the Crab Nebula. No signal from MGRO J2019+37 is detected by the ARGO-YBJ experiment, and the derived flux upper limits at 90% confidence level for all the events above 600 GeV with medium energy of 3 TeV are lower than the Milagro flux, implying that the source might be variable and hard to be identified as a pulsar wind nebula. The only statistically significant (6.4 standard deviations) gamma-ray signal is found from MGRO J2031+41, with a flux consistent with the measurement by Milagro., 14 pages, 4 figures
Published: 2012

16. Measurement of the cosmic ray antiproton/proton flux ratio at TeV energies with the ARGO-YBJ detector

Author: X. X. Li, I. De Mitri, M. Iacovacci, M. Zha, G. D'Alí Staiti, Zhenyong Feng, P. Vallania, S. Vernetto, C. Cattaneo, F. R. Zhu, C. Liu, T. L. Chen, X. H. Ma, H.H. He, S. W. Cui, Jilong Zhang, F. Ruggieri, Q. Q. Zhu, P. Bernardini, S. Catalanotti, M. Panareo, Giovanni Mancarella, T. Di Girolamo, B. D'Ettorre Piazzoli, Y. Q. Guo, Carla Bleve, C. Y. Wu, E. Giroletti, B. Panico, P. Salvini, Zhaxiciren, R. Santonico, Zihuang Cao, Y. B. Chen, H. J. Li, Paolo Camarri, C. Q. Liu, H. R. Wu, Hongbo Hu, L. Xue, C. F. Feng, A. K. Calabrese Melcarne, A. F. Yuan, Carlo Vigorito, B. Z. Dai, Paolo Montini, R. Iuppa, B. Bartoli, Hong-peng Lu, X. Y. Zhang, X. C. Yang, G. Marsella, Haibing Hu, Cristian Stanescu, P. Branchini, Y. X. Yan, Antonio Budano, B. S. Wang, J. K. K. Liu, Zhaxisangzhu, Labaciren, Irina James, Y. Zhang, Chang-Chun Ning, Zhaoyang Feng, D. Martello, Longzhou Zhang, L. Perrone, Jianli Zhang, P. Creti, P. Pistilli, H. M. Zhang, X. X. Zhou, Z. G. Yao, Bingwei Xu, A. Surdo, Q. Huang, Huaguang Wang, G. Liguori, Fudong Shi, S. Mastroianni, Q. B. Gou, X. D. Sheng, P. R. Shen, P. F. Zhang, X. J. Bi, S. Z. Chen, S. M. Mari, X. B. Qu, X. H. Ding, Roberto Cardarelli, G. Di Sciascio, Y. H. Tan, J. Y. Li, M. Y. Liu, Q. Y. Yang, H. Y. Jia, Danzengluobu, G. Zizzi, I. Bolognino, A. Pagliaro, Bartoli, B., Bernardini, P., Bi, X. J., Bleve, C., Bolognino, I., Branchini, P., Budano, A., Melcarne A. K., Calabrese, Camarri, P., Cao, Z., Cardarelli, R., Catalanotti, S., Cattaneo, C., Chen, S. Z., Chen, T. L., Chen, Y., Creti, P., Cui, S. W., Dai, B. Z., Staiti G., D'Ali, Danzengluobu, De Mitri, I., Piazzoli B., D'Ettorre, Di Girolamo, T., Ding, X. H., Di Sciascio, G., Feng, C. F., Feng, Zhaoyang, Feng, Zhenyong, Giroletti, E., Gou, Q. B., Guo, Y. Q., He, H. H., Hu, Haibing, Hu, Hongbo, Huang, Q., Iacovacci, M., Iuppa, R., James, I., Jia, H. Y., Labaciren, Li, H. J., Li, J. Y., Li, X. X., Liguori, G., Liu, C., Liu, C. Q., Liu, J., Liu, M. Y., Lu, H., Ma, X. H., Mancarella, G., Mari, Stefano Maria, Marsella, G., Martello, D., Mastroianni, S., Montini, P., Ning, C. C., Pagliaro, A., Panareo, M., Panico, B., Perrone, L., Pistilli, P., Qu, X. B., Ruggieri, F., Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Stanescu, C., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, B., Wang, H., Wu, C. Y., Wu, H. R., Xu, B., Xue, L., Yan, Y. X., Yang, Q. Y., Yang, X. C., Yao, Z. G., Yuan, A. F., Zha, M., Zhang, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhaxiciren, Zhaxisangzhu, Zhou, X. X., Zhu, F. R., Zhu, Q. Q., Zizzi, G., Bartoli, Bruno, Bi, X., Calabrese Melcarne, A., Catalanotti, Sergio, Chen, S., Chen, T., Cui, S., Dai, B., D’Alí Staiti, G., D'ETTORRE PIAZZOLI, Benedetto, DI GIROLAMO, Tristano, Ding, X., Feng, C., Zhaoyang, Feng, Zhenyong, Feng, Gou, Q., Guo, Y., He, H., Haibing, Hu, Hongbo, Hu, Iacovacci, Michele, Jia, H., Li, H., Li, J., Li, X., Liu, M., Ma, X., Mari, S., Ning, C., Qu, X., Shen, P., Sheng, X., Tan, Y., Wu, C., Wu, H., Yan, Y., Yang, Q., Yang, X., Yao, Z., Yuan, A., Zhang, H., Jilong, Zhang, Jianli, Zhang, Zhang, X., Zhou, X., Zhu, F., Zhu, Q., Bartoli, B, Bernardini, P, Bi, XJ, Bleve, C, Bolognino, I, Branchini, P, Budano, A, Calabrese Melcarne, AK, Camarri, P, Cao, Z, Cardarelli, R, Catalanotti, S, Cattaneo, C, Chen, SZ, Chen, TL, Chen, Y, Creti, P, Cui, SW, Dai, BZ, D’Ali' Staiti, G, De Mitri, I, D’Ettorre Piazzoli, B, Di Girolamo, T, Ding, XH, Di Sciascio, G, Feng, CF, Feng, ZYa, Feng, ZYo, Giroletti, E, Gou, QB, Guo, YQ, He, HH, Hu, HBa, Hu, HBo, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, HY, Li, HJ, Li, JY, Li, XX, Liguori, G, Liu, C, Liu, CQ, Liu, J, Liu, MY, Lu, H, Ma, XH, Mancarella, G, Mari, SM, Marsella, G, Martello, D, Mastroianni, S, Montini, P, Ning, CC, Pagliaro, A, Panareo, M, Panico, B, Perrone, L, Pistilli, P, Qu, XB, Ruggieri, F, Salvini, P, Santonico, R, Shen, PR, Sheng, XD, Shi, F, Stanescu, C, Surdo, A, Tan, YH, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, CY, Wu, HR, Xu B, Xue, L, Yan, YX, Yang, QY, Yang, XC, Yao, ZG, Yuan, AF, Zha, M, Zhang, HM, Zhang, JLo, Zhang, JLi, Zhang, L, Zhang, P, Zhang, XY, Zhang, Y, Zhaxiciren, Zhaxisangzhu, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, B., Bartoli, Bernardini, Paolo, X. J., Bi, C., Bleve, I., Bolognino, P., Branchini, A., Budano, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, R., Cardarelli, S., Catalanotti, C., Cattaneo, S. Z., Chen, T. L., Chen, Y., Chen, P., Creti, S. W., Cui, B. Z., Dai, G., D’Alí Staiti, DE MITRI, Ivan, B., D’Ettorre Piazzoli, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, E., Giroletti, Q. B., Gou, Y. Q., Guo, H. H., He, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, H. J., Li, J. Y., Li, X. X., Li, G., Liguori, C., Liu, C. Q., Liu, J., Liu, M. Y., Liu, H., Lu, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, B., Panico, Perrone, Lorenzo, P., Pistilli, X. B., Qu, F., Ruggieri, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Y. X., Yan, Q. Y., Yang, X. C., Yang, Z. G., Yao, A. F., Yuan, M., Zha, H. M., Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, and G., Zizzi
Subjects: Physics, Nuclear and High Energy Physics, Antiparticle, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Settore FIS/01 - Fisica Sperimentale, Earth-Moon, Cosmic ray, magnetic spectrometer, High Energy Physics - Experiment, Nuclear physics, Earth's magnetic field, Antiproton, Antimatter, antiproton, Content (measure theory), Antiproton-Proton ratio, Cosmic rays, Extended Air Showers, Astrophysics - High Energy Astrophysical Phenomena, Energy (signal processing)
Abstract: Cosmic ray antiprotons provide an important probe to study the cosmic ray propagation in the interstellar space and to investigate the existence of dark matter. Acting the Earth-Moon system as a magnetic spectrometer, paths of primary antiprotons are deflected in the opposite sense with respect to those of the protons in their way to the Earth. This effect allows, in principle, the search for antiparticles in the direction opposite to the observed deficit of cosmic rays due to the Moon (the so-called `Moon shadow'). The ARGO-YBJ experiment, located at the Yangbajing Cosmic Ray Laboratory (Tibet, P.R. China, 4300 m a.s.l., 606 g/cm$^2$), is particularly effective in measuring the cosmic ray antimatter content via the observation of the cosmic rays shadowing effect due to: (1) good angular resolution, pointing accuracy and long-term stability; (2) low energy threshold; (3) real sensitivity to the geomagnetic field. Based on all the data recorded during the period from July 2006 through November 2009 and on a full Monte Carlo simulation, we searched for the existence of the shadow cast by antiprotons in the TeV energy region. No evidence of the existence of antiprotons is found in this energy region. Upper limits to the $\bar{p}/p$ flux ratio are set to 5 % at a median energy of 1.4 TeV and 6 % at 5 TeV with a confidence level of 90%. In the TeV energy range these limits are the lowest available., Comment: Contact authors: G. Di Sciascio (disciascio@roma2.infn.it) and R. Iuppa (iuppa@roma2.infn.it), INFN Sezione di Roma Tor Vergata, Roma, Italy
Published: 2012

17. Calibration of the RPC charge readout in the ARGO-YBJ experiment

Author: M. Iacovacci, M. Zha, Hongbo Hu, C. Liu, A. Surdo, Y. B. Chen, Q. Y. Yang, Yicheng Guo, Y. X. Yan, Danzengluobu, X. H. Ma, P. Creti, B. Liberti, A. F. Yuan, Huihai He, G. Zizzi, P. F. Zhang, Haifeng Li, Paolo Bernardini, R. Santonico, X. C. Yang, X. J. Bi, X. Y. Zhang, R. Gargana, Minghui Liu, S. Z. Chen, X. X. Li, Labaciren, L. Zhang, A. Pagliaro, C. Cattaneo, F. Shi, A. Cappa, Irina James, Piero Vallania, X. B. Qu, S. Catalanotti, X. H. Ding, B. S. Wang, Zhaxisangzhu, P. Salvini, L. Perrone, G. Di Sciascio, A. K. Calabrese Melcarne, Jilong Zhang, Y. H. Tan, M. De Vincenzi, R. Cardarelli, S. M. Mari, Cunfeng Feng, G. D'Alí Staiti, E. Rossi, N. Cheng, Jianli Zhang, Paolo Montini, R. Iuppa, H. Y. Jia, S. Vernetto, C. Bacci, P. Camarri, G. Mancarella, J. K. K. Liu, C. Y. Wu, L. Saggese, Zihuang Cao, I. De Mitri, T. L. Chen, H. M. Zhang, M. Dattoli, H. Lu, G. Liguori, C. X. Liu, F. Galeazzi, B. Bartoli, T. Di Girolamo, P. Celio, G. Aielli, B. D'Ettorre Piazzoli, Bingwei Xu, Severino Angelo Maria Bussino, P. R. Shen, L. Xue, Q. B. Gou, Carlo Vigorito, Xiangdong Sheng, P. Pistilli, X. X. Zhou, P. Galeotti, Q. Huang, Haibing Hu, C. Bleve, Y. Zhang, D. Martello, Zhenyong Feng, A. Budano, S. Mastroianni, H. R. Wu, H. W. Wang, B. Z. Dai, F. Ruggieri, F. R. Zhu, M. Panareo, Q. Q. Zhu, P. Branchini, G. Marsella, X. R. Meng, C. Stanescu, Chang-Chun Ning, Zhaoyang Feng, S. W. Cui, J. Y. Li, Bartoli, Bruno, Catalanotti, Sergio, D'ETTORRE PIAZZOLI, Benedetto, DI GIROLAMO, Tristano, Iacovacci, Michele, Aielli, G, Bacci, C, Bartoli, B, Bernardini, P, Bi, Xj, Bleve, C, Branchini, P, Budano, A, Bussino, Severino Angelo Maria, Calabrese Melcarne, Ak, Camarri, P, Cao, Z, Cappa, A, Cardarelli, R, Catalanotti, S, Cattaneo, C, Celio, P, Chen, Sz, Chen, Tl, Chen, Y, Cheng, N, Creti, P, Cui, Sw, Dai, Bz, D'Ali Staiti, G, Danzengluobu, Dattoli, M, De Mitri, I, D'Ettorre Piazzoli, B, DE VINCENZI, Mario, Di Girolamo, T, Ding, Xh, Di Sciascio, G, Feng, Cf, Feng Zhao, Yang, Feng Zhen, Yong, Galeazzi, F, Galeotti, P, Gargana, R, Gou, Qb, Guo, Yq, He, Hh, Hu, Haibing, Hu Hong, Bo, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, Hy, Labaciren, Li, Hj, Li, Jy, Li, Xx, Liberti, B, Liguori, G, Liu, C, Liu, Cq, Liu, My, Liu, J, Lu, H, Ma, Xh, Mancarella, G, Mari, Stefano Maria, Marsella, G, Martello, D, Mastroianni, S, Meng, Xr, Montini, P, Ning, Cc, Pagliaro, A, Panareo, M, Perrone, L, Pistilli, P, Qu, Xb, Rossi, E, Ruggieri, F, Saggese, L, Salvini, P, Santonico, R, Shen, Pr, Sheng, Xd, Shi, F, Stanescu, C, Surdo, A, Tan, Yh, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, Cy, Wu, Hr, Xu, B, Xue, L, Yan, Yx, Yang, Qy, Yang, Xc, Yuan, Af, Zha, M, Zhang, Hm, Zhang Ji, Long, Zhang Jian, Li, Zhang, L, Zhang, P, Zhang, Xy, Zhang, Y, Zhaxisangzhu, Zhou, Xx, Zhu, Fr, Zhu, Qq, Zizzi, G., Bi, XJ, Bussino, S, Calabrese Melcarne, AK, Chen, SZ, Chen, TL, Cui, SW, Dai, BZ, De Vincenzi, M, Ding, XH, Feng, CF, Feng, ZYa, Feng, ZYo, Gou, QB, Guo, YQ, He, HH, Hu, HaB, Hu, HoB, Jia, HY, Li, HJ, Li, JY, Li, XX, Liu, CQ, Liu, MY, Ma, XH, Mari, SM, Meng, XR, Ning, CC, Qu XB, Shen, PR, Sheng, XD, Tan, YH, Wu, CY, Wu, HR, Yan, YX, Yang, QY, Yang, XC, Yuan, AF, Zhang, HM, Zhang, JLi, Zhang, JLo, Zhang, XY, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, G., Aielli, C., Bacci, B., Bartoli, Bernardini, Paolo, X. J., Bi, C., Bleve, P., Branchini, A., Budano, S., Bussino, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, A., Cappa, R., Cardarelli, S., Catalanotti, C., Cattaneo, P., Celio, S. Z., Chen, T. L., Chen, Y., Chen, N., Cheng, P., Creti, S. W., Cui, B. Z., Dai, G., D’Alı´ Staiti, M., Dattoli, DE MITRI, Ivan, B., D’Ettorre Piazzoli, M., De Vincenzi, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, F., Galeazzi, P., Galeotti, R., Gargana, Q. B., Gou, Y. Q., Guo, H. H., He, Haibing, Hu, Hongbo, Hu, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, H. J., Li, J. Y., Li, X. X., Li, B., Liberti, G., Liguori, C., Liu, C. Q., Liu, M. Y., Liu, J., Liu, H., Lu, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, X. R., Meng, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, Perrone, Lorenzo, P., Pistilli, X. B., Qu, E., Rossi, F., Ruggieri, L., Saggese, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Y. X., Yan, Q. Y., Yang, X. C., Yang, A. F., Yuan, M., Zha, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, and G., Zizzi
Subjects: Optical telescopes, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Camere a Piastre Resistive (RPC), Resistive plate chamber, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, law.invention, Telescope, Settore FIS/05 - Astronomia E Astrofisica, Optics, law, Coincident, Air showers, Calibration, Sea level, Instrumentation, Particle densities, Cosmic rays, Resistive Plate Chambers, Charge read-out, Extended Air Showers, Physics, Air showers, Charge readout, Dynamic range, Knee regions, Particle densities, Resistive plate chambers, Calibration, Charged particles, Cosmic rays, Experiments, Optical telescopes, Sea level, Telescopes, Particle spectrometers, Resistive touchscreen, Scintillation, Dynamic range, Charge readout, business.industry, Charged particles, Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, Charged particle, Air shower, Calibrazione della Risposta Analogica di RPC, Knee regions, Lettura Analogica di RPC, Resistive plate chambers, business, Experiments, Telescopes
Abstract: ""The charge readout of Resistive Plate Chambers (RPCs) is implemented in the ARGO-YBJ experiment to measure the charged particle density of the shower front up to 10^4\\\/m^2, enabling the study of the primary cosmic rays with energies in the ''knee'' region. As the first time for RPCs being used this way, a telescope with RPCs and scintillation detectors is setup to calibrate the number of charged particles hitting a RPC versus its charge readout. Air shower particles are taken as the calibration beam. The telescope was tested at sea level and then moved to the ARGO-YBJ site for coincident operation with the ARGO-YBJ experiment. The charge readout shows good linearity with the particle density in the dynamic range (up to 200\\\/m^2).""
Published: 2012

18. Light-component spectrum of the primary cosmic rays in the multi-TeV region measured by the ARGO-YBJ experiment

Author: X. C. Yang, B. Bartoli, Zhenyong Feng, B. Panico, C. Liu, P. R. Shen, Irina James, X. H. Ma, J. K. K. Liu, P. Salvini, G. D'Alí Staiti, P. Vallania, Q. Q. Zhu, P. Pistilli, H. M. Zhang, X. X. Zhou, Giovanni Mancarella, G. Di Sciascio, B. D'Ettorre Piazzoli, P. Creti, R. Santonico, X. X. Li, Y. B. Chen, H. J. Li, Carla Bleve, H. R. Wu, Hongbo Hu, H. Y. Jia, L. Xue, C. F. Feng, Bingwei Xu, C. Y. Wu, A. Surdo, L. Perrone, Hong-peng Lu, C. Q. Liu, Chang-Chun Ning, Zhaoyang Feng, Q. Huang, I. De Mitri, Q. B. Gou, X. Y. Zhang, T. Di Girolamo, Paolo Camarri, T. L. Chen, M. Iacovacci, B. Z. Dai, X. X. Yan, F. R. Zhu, P. F. Zhang, X. J. Bi, Y. Q. Guo, S. Catalanotti, S. W. Cui, S. Z. Chen, Jianli Zhang, P. Bernardini, F. Ruggieri, Cristian Stanescu, P. Branchini, M. Panareo, Zihuang Cao, A. F. Yuan, Carlo Vigorito, B. S. Wang, Longzhou Zhang, Zhaxisangzhu, Haibing Hu, E. Giroletti, Z. G. Yao, S. M. Mari, Antonio Budano, Y. Zhang, Labaciren, D. Martello, M. Zha, C. Cattaneo, A. K. Calabrese Melcarne, Paolo Montini, G. Marsella, R. Iuppa, S. Vernetto, Danzengluobu, X. D. Sheng, J. Y. Li, H.H. He, M. Dattoli, I. Bolognino, M. Y. Liu, Q. Y. Yang, G. Zizzi, X. B. Qu, X. H. Ding, Roberto Cardarelli, Y. H. Tan, A. Pagliaro, G. Liguori, Huaguang Wang, Fudong Shi, S. Mastroianni, Zhaxiciren, Jilong Zhang, Bartoli, B., Bernardini, P., Bi, X. J., Bleve, C., Bolognino, I., Branchini, P., Budano, A., Calabrese Melcarne, A. K., Camarri, P., Cao, Z., Cardarelli, R., Catalanotti, S., Cattaneo, C., Chen, S. Z., Chen, T. L., Chen, Y., Creti, P., Cui, S. W., Dai, B. Z., D'Ali Staiti, G., Danzengluobu, Dattoli, M., De Mitri, I., D'Ettorre Piazzoli, B., Di Girolamo, T., Ding, X. H., Di Sciascio, G., Feng, C. F., Feng, Z., Giroletti, E., Gou, Q. B., Guo, Y. Q., He, H. H., Hu, H., Huang, Q., Iacovacci, M., Iuppa, R., James, I., Jia, H. Y., Labaciren, Li, H. J., Li, J. Y., Li, X. X., Liguori, G., Liu, C., Liu, C. Q., Liu, J., Liu, M. Y., Lu, H., Ma, X. H., Mancarella, G., Mari, S. M., Marsella, G., Martello, D., Mastroianni, S., Montini, P., Ning, C. C., Pagliaro, A., Panareo, M., Panico, B., Perrone, L., Pistilli, P., Qu, X. B., Ruggieri, F., Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Stanescu, C., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, B., Wang, H., Wu, C. Y., Wu, H. R., Xu, B., Xue, L., Yan, X. X., Yang, Q. Y., Yang, X. C., Yao, Z. G., Yuan, A. F., Zha, M., Zhang, H. M., Zhang, J., Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhaxiciren, Zhaxisangzhu, Zhou, X. X., Zhu, F. R., Zhu, Q. Q., Zizzi, G., Bartoli, B, Bernardini, P, Bi, Xj, Bleve, C, Bolognino, I, Branchini, P, Budano, A, Melcarne, Akc, Camarri, P, Cao, Z, Cardarelli, R, Catalanotti, S, Cattaneo, C, Chen, Sz, Chen, Tl, Chen, Y, Creti, P, Cui, Sw, Dai, Bz, Staiti, Gd, Dattoli, M, De Mitri, I, Piazzoli, Bd, Di Girolamo, T, Ding, Xh, Di Sciascio, G, Feng, Cf, Feng, Zy, Giroletti, E, Gou, Qb, Guo, Yq, He, Hh, Hu, Hb, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, Hy, Li, Hj, Li, Jy, Li, Xx, Liguori, G, Liu, C, Liu, Cq, Liu, J, Liu, My, Lu, H, Ma, Xh, Mancarella, G, Mari, Stefano Maria, Marsella, G, Martello, D, Mastroianni, S, Montini, P, Ning, Cc, Pagliaro, A, Panareo, M, Panico, B, Perrone, L, Pistilli, P, Qu, Xb, Ruggieri, F, Salvini, P, Santonico, R, Shen, Pr, Sheng, Xd, Shi, F, Stanescu, C, Surdo, A, Tan, Yh, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, Cy, Wu, Hr, Xu, B, Xue, L, Yan, Xx, Yang, Qy, Yang, Xc, Yao, Zg, Yuan, Af, Zha, M, Zhang, Hm, Zhang, Jl, Zhang, L, Zhang, P, Zhang, Xy, Zhang, Y, Zhou, Xx, Zhu, Fr, Zhu, Qq, Bartoli, Bruno, X. J., Bi, A. K. C., Catalanotti, Sergio, Staiti, G. D., Mitri, I. D., D'ETTORRE PIAZZOLI, Benedetto, DI GIROLAMO, Tristano, Sciascio, G. D., Feng, Z. Y., H. H., He, H. B., Hu, Iacovacci, Michele, H. J., Li, J. Y., Li, X. X., Li, X. H., Ma, X. B., Qu, C. Y., Wu, H. R., Wu, Zhang, J. L., B., Bartoli, Bernardini, Paolo, C., Bleve, I., Bolognino, P., Branchini, A., Budano, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, R., Cardarelli, S., Catalanotti, C., Cattaneo, S. Z., Chen, T. L., Chen, Y., Chen, P., Creti, S. W., Cui, B. Z., Dai, G., D’Alı´ Staiti, M., Dattoli, DE MITRI, Ivan, B., D’Ettorre Piazzoli, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, E., Giroletti, Q. B., Gou, Y. Q., Guo, Haibing, Hu, Hongbo, Hu, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, G., Liguori, C., Liu, C. Q., Liu, J., Liu, M. Y., Liu, H., Lu, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, B., Panico, Perrone, Lorenzo, P., Pistilli, F., Ruggieri, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, B., Xu, L., Xue, X. X., Yan, Q. Y., Yang, X. C., Yang, Z. G., Yao, A. F., Yuan, M., Zha, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, G., Zizzi, Bi, XJ, Calabrese Melcarne, AK, Chen, SZ, Chen, TL, Cui, SW, Dai, BZ, D'ALI'STAITI, G, D’Ettorre Piazzoli, B, Ding, XH, Feng, CF, Feng, ZYa, Feng, ZYo, Gou, QB, Guo, YQ, He, HH, Hu, HBi, Hu, HBo, James, J, Jia, HY, Li, HJ, Li, JY, Li, XX, Liu, CQ, Liu, MY, Ma, XH, Mari, S, Ning, CC, Panareo, P, Qu, XB, Shen, PR, Sheng, XD, Tan, YH, Wu, CY, Wu, HR, Yan, XX, Yang, QY, Yang, XC, Yao, ZG, Yuan, AF, Zhang, HM, Zhang, JLi, Zhang, JLo, Zhang, XY, Zhou, XX, Zhu, FR, Zhu, QQ, and Zizzi, G
Subjects: Extended Air Showers, Cosmic Rays, Gamma Ray sources, Nuclear and High Energy Physics, Proton, TIBET, Astrophysics::High Energy Astrophysical Phenomena, Extensive air shower, chemistry.chemical_element, Cosmic ray, HELIUM SPECTRA, Astrophysics, PROTON, Bayesian method, CASCADES, Spectral line, Settore FIS/05 - Astronomia E Astrofisica, Nuclear magnetic resonance, Cosmic-ray observatory, Helium, Physics, Range (particle radiation), ENERGY-RANGE, BALLOON EXPERIMENT, NUCLEI, Settore FIS/01 - Fisica Sperimentale, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, light component spectrum, chemistry, Energy (signal processing), SYSTEM
Abstract: The ARGO-YBJ experiment detects extensive air showers in a wide energy range by means of a full-coverage detector which is in stable data taking in its full configuration since November 2007 at the YBJ International Cosmic Ray Observatory (4300 m a.s.l., Tibet, People's Republic of China). In this paper the measurement of the light-component spectrum of primary cosmic rays in the energy region $(5\textdiv{}200)\text{ }\text{ }\mathrm{TeV}$ is reported. The method exploited to analyze the experimental data is based on a Bayesian procedure. The measured intensities of the light component are consistent with the recent CREAM results and higher than that obtained adding the proton and helium spectra reported by the RUNJOB experiment.
Published: 2012

19. Mean Interplanetary Magnetic Field Measurement Using the ARGO-YBJ Experiment

Author: X. X. Li, Zhenyong Feng, L. Zhang, B. D'Ettorre Piazzoli, L. Xue, G. Mancarella, Q. B. Gou, A. Cappa, M. Zha, F. R. Zhu, M. Panareo, B. Z. Dai, M. Iacovacci, Piero Vallania, P. Creti, Danzengluobu, F. Ruggieri, A. K. Calabrese Melcarne, L. Perrone, P. Salvini, R. Cardarelli, G. Marsella, Q. Q. Zhu, Y. Q. Guo, P. Branchini, H. Y. Jia, G. Aielli, R. Santonico, H. H. He, C. Bacci, S. M. Mari, Zhengguo Cao, X. C. Yang, B. S. Wang, A. Pagliaro, Q. Y. Yang, Bingwei Xu, P. F. Zhang, E. Giroletti, Severino Angelo Maria Bussino, S. W. Cui, Hongbo Hu, A. Surdo, C. F. Feng, X. J. Bi, H. R. Wu, I. De Mitri, X. R. Meng, C. Stanescu, Irina James, A. F. Yuan, Chang-Chun Ning, Zhaoyang Feng, J. Y. Li, Jilong Zhang, T. Di Girolamo, F. Shi, Jianli Zhang, T. L. Chen, H. M. Zhang, G. Di Sciascio, Carlo Vigorito, P. Celio, C. Y. Wu, M. Y. Liu, M. De Vincenzi, Haibing Hu, R. Gargana, I. Bolognino, B. Bartoli, H. J. Li, X. D. Sheng, C. Bleve, Y. B. Chen, S. Z. Chen, L. Saggese, Y. Zhang, B. Liberti, Paolo Bernardini, D. Martello, X. B. Qu, X. H. Ding, Labaciren, J. K. K. Liu, P. Pistilli, X. X. Zhou, G. D'Alí Staiti, Y. H. Tan, P. Galeotti, Q. Huang, X. Y. Zhang, C. Liu, X. H. Ma, G. Liguori, C. X. Liu, Zhaxisangzhu, S. Catalanotti, Z. G. Yao, Y. X. Yan, E. Rossi, M. Dattoli, H. Lu, Paolo Montini, R. Iuppa, and G. Zizzi, P. Camarri, H. W. Wang, S. Vernetto, F. Galeazzi, A. Budano, S. Mastroianni, C. Cattaneo, P. R. Shen, Bartoli, Bruno, Catalanotti, Sergio, D'ETTORRE PIAZZOLI, Benedetto, DI GIROLAMO, Tristano, Iacovacci, Michele, Aielli, G, Bacci, C, Bartoli, B, Bernardini, P, Bi, XJ, Bleve, C, Bolognino, I, Branchini, P, Budano, A, Bussino, S, Calabrese Melcarne, AK, Camarri, P, Cao, Z, Cappa, A, Cardarelli, R, Catalanotti, S, Cattaneo, C, Celio, P, Chen, SZ, Chen, TL, Chen, Y, Creti, P, Cui, SW, Dai, BZ, D'Ali Staiti, G, Danzengluobu, Dattoli, M, De Mitri, I, D'Ettorre Piazzoli, B, De Vincenzi, M, Di Girolamo, T, Ding, XH, Di Sciascio, G, Feng, CF, Feng, ZYa, Feng, ZYo, Galeazzi, F, Galeotti, P, Gargana, R, Giroletti, E, Gou, QB, Guo, YQ, He, HH, Hu, HaB, Hu, HoB, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, HY, Labaciren, Li, HJ, Li, JY, Li, XX, Liberti, B, Liguori, G, Liu, C, Liu, CQ, Liu, MY, Liu, J, Lu, H, Ma, XH, Mancarella, G, Mari, SM, Marsella, G, Martello, D, Mastroianni, S, Meng, XR, Montini, P, Ning, CC, Pagliaro, A, Panareo, M, Perrone, L, Pistilli, P, Qu XB, Rossi, E, Ruggieri, F, Saggese, L, Salvini, P, Santonico, R, Shen, PR, Sheng, XD, Shi, F, Stanescu, C, Surdo, A, Tan, YH, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, CY, Wu, HR, Xu, B, Xue, L, Yan, YX, Yang, QY, Yang, XC, Yao, ZG, Yuan, AF, Zha, M, Zhang, HM, Zhang, JLi, Zhang, JLo, Zhang, L, Zhang, P, Zhang, XY, Zhang, Y, Zhaxisangzhu, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, G., Aielli, C., Bacci, B., Bartoli, Bernardini, Paolo, X. J., Bi, C., Bleve, I., Bolognino, P., Branchini, A., Budano, S., Bussino, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, A., Cappa, R., Cardarelli, S., Catalanotti, C., Cattaneo, P., Celio, S. Z., Chen, T. L., Chen, Y., Chen, P., Creti, S. W., Cui, B. Z., Dai, G., D'Alí Staiti, M., Dattoli, DE MITRI, Ivan, B., D'Ettorre Piazzoli, M., De Vincenzi, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, F., Galeazzi, P., Galeotti, R., Gargana, E., Giroletti, Q. B., Gou, Y. Q., Guo, H. H., He, Haibing, Hu, Hongbo, Hu, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, H. J., Li, J. Y., Li, X. X., Li, B., Liberti, G., Liguori, C., Liu, C. Q., Liu, M. Y., Liu, J., Liu, H., Lu, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, X. R., Meng, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, Perrone, Lorenzo, P., Pistilli, X. B., Qu, E., Rossi, F., Ruggieri, L., Saggese, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Y. X., Yan, Q. Y., Yang, X. C., Yang, Z. G., Yao, A. F., Yuan, M., Zha, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, G., Zizzi, Bi, Xj, Bussino, Severino Angelo Maria, Melcarne, Akc, Chen, Sz, Chen, Tl, Cui, Sw, Dai, Bz, Staiti, Gd, Piazzoli, Bd, DE VINCENZI, Mario, Ding, Xh, Feng, Cf, Feng, Zy, Gou, Qb, Guo, Yq, He, Hh, Hu, Hb, Jia, Hy, Li, Hj, Li, Jy, Li, Xx, Liu, Cq, Liu, My, Ma, Xh, Mari, Stefano Maria, Meng, Xr, Ning, Cc, Qu, Xb, Shen, Pr, Sheng, Xd, Tan, Yh, Wu, Cy, Wu, Hr, Yan, Yx, Yang, Qy, Yang, Xc, Yao, Zg, Yuan, Af, Zhang, Hm, Zhang, Jl, Zhang, Xy, Zhou, Xx, Zhu, Fr, Zhu, Qq, and Zizzi, G.
Subjects: Solar System, Field (physics), media_common.quotation_subject, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, magnetic field, Cosmic ray, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Settore FIS/05 - Astronomia E Astrofisica, Shadow, Astrophysics::Solar and Stellar Astrophysics, Interplanetary magnetic field, cosmic ray, Solar and Stellar Astrophysics (astro-ph.SR), media_common, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astronomy and Astrophysics, Cosmic Rays, Gamma Sources, Extended Air Showers, Solar wind, Magnetic field, Solar wind, Astrophysics - Solar and Stellar Astrophysics, solar wind, Space and Planetary Science, Sky, Physics::Space Physics, Astrophysics::Earth and Planetary Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract: The sun blocks cosmic ray particles from outside the solar system, forming a detectable shadow in the sky map of cosmic rays detected by the ARGO-YBJ experiment in Tibet. Because the cosmic ray particles are positive charged, the magnetic field between the sun and the earth deflects them from straight trajectories and results in a shift of the shadow from the true location of the sun. Here we show that the shift measures the intensity of the field which is transported by the solar wind from the sun to the earth., Comment: 6 papges,3 figures
Published: 2011
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20. Early warning for VHE gamma-ray flares with the ARGO-YBJ detector

Author: Y. Q. Guo, B. D'Ettorre Piazzoli, Haibing Hu, H. J. Li, H. R. Wu, C. Bleve, Y. Zhang, L. Xue, X. B. Qu, D. Martello, C. Stanescu, Chang-Chun Ning, B. Bartoli, R. Santonico, Zhaoyang Feng, X. H. Ding, Hong-peng Lu, Jilong Zhang, F. Galeazzi, B. Z. Dai, F. R. Zhu, Y. X. Yan, L. Zhang, F. Ruggieri, Piero Vallania, B. Panico, F. Shi, Y. H. Tan, Zhenyong Feng, C. Liu, P. Branchini, Danzengluobu, X. C. Yang, M. Dattoli, A. K. Calabrese Melcarne, Hongbo Hu, P. Pistilli, X. X. Zhou, C. Y. Wu, M. Iacovacci, M. Zha, X. H. Ma, A. Surdo, R. Cardarelli, C. F. Feng, M. Panareo, J. K. K. Liu, A. Cappa, G. Marsella, Bingwei Xu, E. Giroletti, X. Y. Zhang, Zhiguo Yao, H. H. He, Q. Q. Zhu, Q. B. Gou, A. F. Yuan, Minghui Liu, P. Creti, P. Galeotti, A. Budano, P. Salvini, Labaciren, Jianli Zhang, A. Pagliaro, I. De Mitri, X. D. Sheng, P. R. Shen, Paolo Bernardini, S. Mastroianni, T. Di Girolamo, T. L. Chen, H. M. Zhang, P. Celio, Q. Huang, Q. Y. Yang, I. Bolognino, G. Liguori, Zhaxiciren, G. Zizzi, J. Y. Li, G. Di Sciascio, C. X. Liu, H. W. Wang, G. D'Alí Staiti, Y. B. Chen, H. Y. Jia, Carlo Vigorito, Irina James, G. Mancarella, Paolo Camarri, L. Perrone, Zihuang Cao, X. X. Li, B. S. Wang, Zhaxisangzhu, S. M. Mari, P. F. Zhang, X. J. Bi, S. Z. Chen, C. Cattaneo, E. Rossi, Paolo Montini, R. Iuppa, S. Vernetto, S. Catalanotti, S. W. Cui, Bartoli, B, Bernardini, P, Bi, XJ, Bleve, C, Bolognino, I, Branchini, P, Budano, A, Calabrese Melcarne, AK, Camarri, P, Cao, Z, Cappa, A, Cardarelli, R, Catalanotti, S, Cattaneo, C, Celio, P, Chen, SZ, Chen, TL, Chen, Y, Creti, P, Cui, SW, Dai, BZ, D’Ali' Staiti, G, Danzengluobu, Dattoli, M, De Mitri, I, D’Ettorre Piazzoli, B, Di Girolamo, T, Ding, XH, Di Sciascio, G, Feng, CF, Feng, ZYa, Feng, ZYo, Galeazzi, F, Galeotti, P, Giroletti, E, Gou, QB, Guo, YQ, He, HH, Hu, HBa, Hu, HBo, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, HY, Labaciren, Li, HJ, Li, JY, Li, XX, Liguori, G, Liu, C, Liu, CQ, Liu, J, Liu, MY, Lu, H, Ma, XH, Mancarella, G, Mari, SM, Marsella, G, Martello, D, Mastroianni, S, Montini, P, Ning, CC, Pagliaro, A, Panareo, M, Panico, B, Perrone, L, Pistilli, P, Qu, XB, Rossi, E, Ruggieri, F, Salvini, P, Santonico, R, Shen, PR, Sheng, XD, Shi, F, Stanescu, C, Surdo, A, Tan, YH, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, CY, Wu, HR, Xu B, Xue, L, Yan, YX, Yang, QY, Yang, XC, Yao, ZG, Yuan, AF, Zha, M, Zhang, HM, Zhang, JLo, Zhang, JLi, Zhang, L, Zhang, P, Zhang, XY, Zhang, Y, Zhaxiciren, Zhaxisangzhu, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, Bartoli, Bruno, Catalanotti, Sergio, D'ETTORRE PIAZZOLI, Benedetto, DI GIROLAMO, Tristano, Iacovacci, Michele, B., Bartoli, Bernardini, Paolo, X. J., Bi, C., Bleve, I., Bolognino, P., Branchini, A., Budano, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, A., Cappa, R., Cardarelli, S., Catalanotti, C., Cattaneo, P., Celio, S. Z., Chen, T. L., Chen, Y., Chen, P., Creti, S. W., Cui, B. Z., Dai, G., D’Alı´staiti, M., Dattoli, DE MITRI, Ivan, B., D’Ettorre Piazzoli, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, F., Galeazzi, P., Galeotti, E., Giroletti, Q. B., Gou, Y. Q., Guo, H. H., He, Haibing, Huo, Hongbo, Hue, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, H. J., Li, J. Y., Li, X. X., Li, G., Liguori, C., Liu, C. Q., Liu, J., Liu, M. Y., Liu, H., Lu, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, B., Panico, Perrone, Lorenzo, P., Pistilli, X. B., Qu, E., Rossi, F., Ruggieri, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Y. X., Yan, Q. Y., Yang, X. C., Yang, Z. G., Yao, A. F., Yuan, M., Zha, H. M., Zhang, Jilongzhang, Jianlizhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, Zhaxiciren, Zhaxisangzhu, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, G., Zizzi, Barton, B, Bi, Xj, Melcarne, Akc, Chen, Sz, Chen, Tl, Cui, Sw, Dai, Bz, Staiti, Gd, Piazzoli, Bd, Ding, Xh, Feng, Cf, Feng, Zy, Gou, Qb, Guo, Yq, He, Hh, Hu, Hb, Ilacovacci, M, Jia, Hy, Li, Hj, Li, Jy, Li, Xx, Liu, Cq, Liu, My, Ma, Xh, Mari, Stefano Maria, Ning, Cc, Qu, Xb, Santonicoi, R, Shen, Pr, Sheng, Xd, Tan, Yh, Wu, Cy, Wu, Hr, Xu, B, Yan, Yx, Yang, Qy, Yang, Xc, Yao, Zg, Yuan, Af, Zhang, Hm, Zhang, Jl, Zhang, Xy, Zhou, Xx, Zhu, Fr, Zhu, Qq, and Zizzi, G.
Subjects: Wide field of view, Nuclear and High Energy Physics, Monitoring, Astrophysics::High Energy Astrophysical Phenomena, ARGO-YBJ, Flaring phenomenon, VHE extragalactic source, Astrophysics, Settore FIS/05 - Astronomia E Astrofisica, Instrumentation, Sorgenti VHE extragalattiche, Argo, Cherenkov radiation, Physics, Fenomeni transienti, Warning system, Detector, Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, Gamma ray, Monitoring Flaring Phenomenon, Astronomy, Wide field, Duty cycle, Ampio campo di vista, Flaring phenomena, VHE extragalactic sources, Gamma Ray Bursts, Large Field of view telescope, ARGO-YBJ, Gamma-ray burst
Abstract: Detecting and monitoring emissions from flaring gamma-ray sources in the very-high-energy (VHE, > 100 GeV) band is a very important topic in gamma-ray astronomy. The ARGO-YBJ detector is characterized by a high duty cycle and a wide field of view. Therefore, it is particularly capable of detecting flares from extragalactic objects. Based on fast reconstruction and analysis, real-time monitoring of 33 selected VHE extragalactic sources is implemented. Flares exceeding a specific threshold are reported timely, hence enabling the follow-up observation of these objects using more sensitive detectors, such as Cherenkov telescopes. (C) 2011 Elsevier B.V. All rights reserved.
Published: 2011

21. Proton-air cross section measurement with the ARGO-YBJ cosmic ray experiment

Author: I. De Mitri, B. D'Ettorre Piazzoli, A. K. Calabrese Melcarne, P. Pistilli, H. M. Zhang, G. Marsella, X. X. Zhou, Enrico Rossi, Giovanni Mancarella, L. Xue, F. Galeazzi, P. Galeotti, C. Liu, Jilong Zhang, G. D'Alí Staiti, P. Vallania, A. Surdo, X. X. Li, Q. Huang, Giulio Aielli, Hong-peng Lu, X. H. Ma, Longzhou Zhang, Q. Q. Zhu, C. Bacci, G. Liguori, Haibing Hu, M. Y. Liu, A. Pagliaro, A. F. Yuan, Zhenyong Feng, Huaguang Wang, C. Bleve, Paolo Camarri, Y. Zhang, B. Bartoli, X. D. Sheng, Fudong Shi, Q. Y. Yang, N. Cheng, X. R. Meng, G. Zizzi, D. Martello, J. K. K. Liu, C. Cattaneo, J. Y. Li, R. Gargana, Danzengluobu, Labaciren, S. Mastroianni, R. Santonico, M. Iacovacci, Chang-Chun Ning, B. S. Wang, S. M. Mari, X. Y. Zhang, L. Perrone, Zhaxisangzhu, Zhaoyang Feng, Y. Q. Guo, Jianli Zhang, P. Creti, Zihuang Cao, F. Ruggieri, A. Cappa, Carlo Vigorito, Y. X. Yan, Antonio Budano, S. W. Cui, C. Y. Wu, Barbara Liberti, X. B. Qu, C. Q. Liu, X. C. Yang, P. Salvini, X. H. Ding, L. Saggese, P. F. Zhang, X. J. Bi, Irina James, Roberto Cardarelli, P. Bernardini, S. Z. Chen, Y. H. Tan, F. R. Zhu, Paolo Montini, R. Iuppa, S. Catalanotti, M. Panareo, G. Di Sciascio, T. Di Girolamo, P. Celio, H.H. He, M. Dattoli, M. De Vincenzi, Y. B. Chen, Hongbo Hu, C. F. Feng, H. Y. Jia, H. J. Li, S. Vernetto, H. R. Wu, P. R. Shen, M. Zha, B. Z. Dai, Cristian Stanescu, P. Branchini, Bingwei Xu, Severino Angelo Maria Bussino, Q. B. Gou, Aielli, G, Bacci, C, Bartoli, B, Bernardini, P, Bi, XJ, Bleve, C, Branchini, P, Budano, A, Bussino, S, Calabrese Melcarne, AK, Camarri, P, Cao, Z, Cappa, A, Cardarelli, R, Catalanotti, S, Cattaneo, C, Celio, P, Chen, SZ, Chen, Y, Cheng, N, Creti, P, Cui, SW, Dai, BZ, D'Ali'Staiti, G, Danzengluobu, Dattoli, M, De Mitri, I, D'Ettorre Piazzoli, B, De Vincenzi, M, Di Girolamo, T, Ding, XH, Di Sciascio, G, Feng, F, Feng, ZYa, Feng, ZYo, Galeazzi, F, Galeotti, P, Gargana, R, Gou, QB, Guo, YQ, He, HH, Hu, HaB, Hu, HoB, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, HY, Labaciren, Li, HJ, Li, JY, Li, XX, Liberti, B, Liguori, G, Liu, C, Liu, CQ, Liu, J, Liu, MY, Lu, H, Ma, XH, Mancarella, G, Mari, SM, Marsella, G, Martello, D, Mastroianni, S, Meng, XR, Montini, P, Ning, CC, Pagliaro, A, Panareo, M, Perrone, L, Pistilli, P, Qu, XB, Rossi, E, Ruggieri, F, Saggese, L, Salvini, P, Santonico, R, Shen, PR, Sheng, XD, Shi, F, Stanescu, C, Surdo, A, Tan, YH, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, CY, Wu, HR, Xu, B, Xue, L, Yan, YX, Yang, QY, Yang, XC, Yuan, AF, Zha, M, Zhang, HM, Zhang, JLi, Zhang, JLo, Zhang, L, Zhang, P, Zhang, XY, Zhang, Y, Zhaxisangzhu, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, G., Aielli, C., Bacci, B., Bartoli, Bernardini, Paolo, X. J., Bi, Bleve, Carla, P., Branchini, A., Budano, S., Bussino, A. K., Calabrese Melcarne, P., Camarri, Z., Cao, A., Cappa, R., Cardarelli, S., Catalanotti, C., Cattaneo, P., Celio, S. Z., Chen, Y., Chen, N., Cheng, P., Creti, S. W., Cui, B. Z., Dai, G., D’Ali' Staiti, M., Dattoli, DE MITRI, Ivan, B., D’Ettorre Piazzoli, M., De Vincenzi, T., Di Girolamo, X. H., Ding, G., Di Sciascio, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, F., Galeazzi, P., Galeotti, R., Gargana, Q. B., Gou, Y. Q., Guo, H. H., He, Haibing, Hu, Hongbo, Hu, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, H. J., Li, J. Y., Li, X. X., Li, B., Liberti, G., Liguori, C., Liu, C. Q., Liu, M. Y., Liu, J., Liu, H., Lu, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, X. R., Meng, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, Perrone, Lorenzo, P., Pistilli, X. B., Qu, E., Rossi, F., Ruggieri, L., Saggese, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Y. X., Yan, Q. Y., Yang, X. C., Yang, A. F., Yuan, M., Zha, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, Zizzi, Giovanni, Bi, Xj, Bussino, Severino Angelo Maria, Melcarne, Akc, Chen, Sz, Cui, Sw, Dai, Bz, Staiti, Gd, Piazzoli, Bd, Ding, Xh, Feng, Cf, Feng, Zy, Gou, Qb, Guo, Yq, He, Hh, Hu, Hb, Jia, Hy, Li, Hj, Li, Jy, Li, Xx, Liu, Cq, Liu, My, Ma, Xh, Mari, Stefano Maria, Meng, Xr, Ning, Cc, Qu, Xb, Shen, Pr, Sheng, Xd, Tan, Yh, Wu, Cy, Wu, Hr, Yan, Yx, Yang, Qy, Yang, Xc, Yuan, Af, Zhang, Hm, Zhang, Jl, Zhang, Xy, Zhou, Xx, Zhu, Fr, Zhu, Qq, Zizzi, G., Bartoli, Bruno, Catalanotti, Sergio, B., D???Ettorre Piazzoli, DI GIROLAMO, Tristano, Iacovacci, Michele, and Collaborazione ARGO, Ybj
Subjects: Nuclear and High Energy Physics, Cosmic rays, Proton-air cross section, gamma astronomy, Proton, Astrophysics::High Energy Astrophysical Phenomena, Hadron, Cosmic ray, Cross Section, 01 natural sciences, Cosmic Ray, High Energy Physics - Experiment, Nuclear physics, 0103 physical sciences, Multiplicity (chemistry), 010306 general physics, Nuclear Experiment, Zenith, Argo, Physics, 010308 nuclear & particles physics, Attenuation, Detector, Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, 3. Good health, Hadronic Interaction, High Energy Physics::Experiment, Extensive Air Showers
Abstract: The proton-air cross section in the energy range 1-100 TeV has been measured by the ARGO-YBJ cosmic ray experiment. The analysis is based on the flux attenuation for different atmospheric depths (i.e. zenith angles) and exploits the detector capabilities of selecting the shower development stage by means of hit multiplicity, density and lateral profile measurements at ground. The effects of shower fluctuations, the contribution of heavier primaries and the uncertainties of the hadronic interaction models, have been taken into account. The results have been used to estimate the total proton-proton cross section at center of mass energies between 70 and 500 GeV, where no accelerator data are currently available., Comment: 14 pages, 9 figures
Published: 2009

22. ARGO-YBJ constraints on very high energy emission from GRBs

Author: Zhengguo Cao, Q. Y. Yang, G. Zizzi, Q. Huang, Irina James, F. Shi, Y. Q. Guo, Jilong Zhang, A. Cappa, C. Y. Wu, M. Iacovacci, M. Zha, Zhaxisangzhu, P. Zhang, S. M. Mari, P. Salvini, G. Di Sciascio, L. Saggese, M. De Vincenzi, H. Y. Jia, Y. H. Zhang, G. Mancarella, C. Bacci, Piero Vallania, R. Santonico, Zhenyong Feng, J. K. K. Liu, R. Gargana, A. Pagliaro, Labaciren, Hongbo Hu, A. Surdo, C. F. Feng, A. Budano, L. Perrone, H. J. Li, H. R. Wu, B. D'Ettorre Piazzoli, Haoqi Lu, P. Creti, X. Y. Zhang, X. B. Qu, X. H. Ding, Y. X. Yan, S. Mastroianni, X. J. Bi, L. Xue, B. Z. Dai, P. Camarri, F. Ruggieri, Bo Wang, Y. H. Tan, J. Y. Li, X. D. Sheng, H. W. Wang, G. D'Alí Staiti, M. Y. Liu, P. Branchini, Paolo Bernardini, N. Cheng, Y. B. Chen, C. Liu, S. Z. Chen, Danzengluobu, X. X. Li, A. K. Calabrese Melcarne, C.C. Ning, Huihai He, R. Cardarelli, G. Marsella, X.H. Ma, C. Cattaneo, L. Zhang, E. Rossi, Paolo Montini, R. Iuppa, S. Vernetto, Jianli Zhang, I. De Mitri, S. Catalanotti, H. M. Zhang, B. Bartoli, G. Liguori, B. Liberti, C. X. Liu, Q. Q. Zhu, A. F. Yuan, X. R. Meng, C. Stanescu, Zhaoyang Feng, F. R. Zhu, M. Panareo, M. Dattoli, F. Galeazzi, P. R. Shen, Haibing Hu, C. Bleve, D. Martello, G. Aielli, P. Pistilli, X. X. Zhou, P. Galeotti, Bingwei Xu, Severino Angelo Maria Bussino, Q. B. Gou, T. Di Girolamo, P. Celio, S. W. Cui, Carlo Vigorito, X. C. Yang, AIELLI, G, BACCI, C, BARTOLI, B, BERNARDINI, P, BI, XJ, BLEVE, C, BRANCHINI, P, BUDANO, A, BUSSINO, S, CALABRESE MELCARNE, AK, CAMARRI, P, CAO, Z, CAPPA, A, CARDARELLI, R, CATALANOTTI, S, CATTANEO, S, CELIO, P, CHEN, S, CHEN, Y, CHENG, N, CRETI, P, CUI, SW, DAI, BZ, D'ALI'STAITI, G, DANZENGLUOBU, DATTOLI, M, DE MITRI, I, D'ETTORRE PIAZZOLI, B, DE VINCENZI, M, DI GIROLAMO, T, DING, XH, DI SCIASCIO, G, FENG, CF, FENG, ZHAOYANG, FENG ZHENYONG, GALEAZZI, F, GALEOTTI, P, GARGANA, R, GOU, QB, GUO, YQ, HE, HH, HU, HAIBING, HU, HONGBO, HUANG, Q, IACOVACCI, M, IUPPA, R, JAMES, J, JIA, HY, LABACIREN, LI, HJ, LI, JY, LI, XX, LIBERTI, B, LIGUORI, G, LIU, C, LIU, CQ, LIU, MY, LIU, J, LUI, H, MA, XH, MANCARELLA, G, MARI, SM, MARSELLA, G, MARTELLO, D, MASTROIANNI, S, MENG, XR, MONTINI, P, NING, CC, PAGLIARO, A, PANAREO, M, PERRONE, L, PISTILLI, P, QU, XB, ROSSI, E, RUGGIERI, F, SAGGESE, L, SALVINI, P, SANTONICO, R, SHEN, PR, SHENG, XD, SHI, F, STANESCU, C, SURDO, A, TAN, YH, VALLANIA, P, VERNETTO, S, VIGORITO, C, WANG, B, WANG, H, WUI, CH, WUI, HR, XUT, B, XUES, L, YANM, YX, YANG, QY, YANG, XC, YUAN, AF, ZHA, F, ZHANG, XM, ZHANG, JILONG, ZHANG, JIANLI, ZHANG, L, ZHANG, P, ZHANG, XY, ZHANG, Y, ZHAXISANGZHU, ZHOU, XX, ZHU, FR, ZHU, QQ, ZIZZI, G, Aielli, G, Bacci, C, Bartoli, B, Bernardini, P, Bi, Xj, Bleve, C, Branchini, P, Budano, A, Bussino, Severino Angelo Maria, Melcarne, Akc, Camarri, P, Cao, Z, Cappa, A, Cardarelli, R, Catalanotti, S, Cattaneo, C, Celio, P, Chen, Sz, Chen, Y, Cheng, N, Creti, P, Cui, Sw, Dai, Bz, Staiti, Gd, Danzengluobu, Dattoli, M, De Mitri, I, Piazzoli, Bd, DE VINCENZI, Mario, Di Girolamo, T, Ding, Xh, Di Sciascio, G, Feng, Cf, Feng, Zy, Galeazzi, F, Galeotti, P, Gargana, R, Gou, Qb, Guo, Yq, He, Hh, Hu, Hb, Huang, Q, Iacovacci, M, Iuppa, R, James, I, Jia, Hy, Labaciren, Li, Hj, Li, Jy, Li, Xx, Liberti, B, Liguori, G, Liu, C, Liu, Cq, Liu, My, Liu, J, Lu, H, Ma, Xh, Mancarella, G, Mari, Stefano Maria, Marsella, G, Martello, D, Mastroianni, S, Meng, Xr, Montini, P, Ning, Cc, Pagliaro, A, Panareo, M, Perrone, L, Pistilli, P, Qu, Xb, Rossi, E, Ruggieri, F, Saggese, L, Salvini, P, Santonico, R, Shen, Pr, Sheng, Xd, Shi, F, Stanescu, C, Surdo, A, Tan, Yh, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, Cy, Wu, Hr, Xu, B, Xue, L, Yan, Yx, Yang, Qy, Yang, Xc, Yuan, Af, Zha, M, Zhang, Hm, Zhang, Jl, Zhang, L, Zhang, P, Zhang, Xy, Zhang, Y, Zhaxisangzhu, Zhou, Xx, Zhu, Fr, Zhu, Qq, and Zizzi, G.
Subjects: Physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Settore FIS/01 - Fisica Sperimentale, Detector, Gamma ray, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astronomy and Astrophysics, Cosmic ray, Field of view, Astrophysics, Radiation, 7. Clean energy, 01 natural sciences, Settore FIS/05 - Astronomia e Astrofisica, 13. Climate action, Duty cycle, Observatory, 0103 physical sciences, GAMMA RAY BURSTS, GAMMA RAYS, COSMIC RAYS, EXTENDED AIR SHOWERS, Gamma-ray burst, Astrophysics - High Energy Astrophysical Phenomena, 010303 astronomy & astrophysics
Abstract: The ARGO-YBJ (Astrophysical Radiation Ground-based Observatory at YangBaJing) experiment is designed for very high energy $\gamma$-astronomy and cosmic ray researches. Due to the full coverage of a large area ($5600 m^2$) with resistive plate chambers at a very high altitude (4300 m a.s.l.), the ARGO-YBJ detector is used to search for transient phenomena, such as Gamma-ray bursts (GRBs). Because the ARGO-YBJ detector has a large field of view ($\sim$2 sr) and is operated with a high duty cycle ($>$90%), it is well suited for GRB surveying and can be operated in searches for high energy GRBs following alarms set by satellite-borne observations at lower energies. In this paper, the sensitivity of the ARGO-YBJ detector for GRB detection is estimated. Upper limits to fluence with 99% confidence level for 26 GRBs inside the field of view from June 2006 to January 2009 are set in the two energy ranges 10$-$100 GeV and 10 GeV$-$1 TeV., Comment: accepted for publication in Astroparticle Physics
Published: 2009

23. ARGO-YBJ experiment: the Scaler Mode Technique

Author: Irina James
Subjects: Physics, Nuclear physics, Mode (statistics), Cosmic ray, Gamma-ray burst, Argo
Published: 2007

24. Highlights from the ARGO-YBJ Experiment

Author: L. Perrone, Carlo Vigorito, X. C. Yang, A. Cappa, Zihuang Cao, Haibing Hu, R. Santonico, H. H. He, C. Liu, Irina James, P. Salvini, C. Bleve, Y. Zhang, X. H. Ma, D. Martello, G. Aielli, Bingwei Xu, X. Y. Zhang, X. X. Li, Severino Angelo Maria Bussino, Q. B. Gou, B. S. Wang, Zhaxisangzhu, Jilong Zhang, A. Pagliaro, Y. X. Yan, F. Shi, M. Iacovacci, M. Zha, M. Dattoli, B. D'Ettorre Piazzoli, Y. Q. Guo, X. D. Sheng, P. R. Shen, H. J. Li, H. R. Wu, P. Pistilli, X. X. Zhou, Piero Vallania, Paolo Bernardini, C. Cattaneo, P. Galeotti, G. Marsella, X. R. Meng, L. Xue, P. Camarri, X. B. Qu, J. K. K. Liu, Q. Huang, Hongbo Hu, Hong-peng Lu, G. Mancarella, C. Stanescu, Chang-Chun Ning, X. H. Ding, A. Surdo, C. F. Feng, Zhaoyang Feng, F. Galeazzi, Y. H. Tan, P. Creti, Zhenyong Feng, Jianli Zhang, M. Y. Liu, B. Liberti, I. De Mitri, T. Di Girolamo, N. Cheng, P. Celio, Q. Q. Zhu, T. L. Chen, H. M. Zhang, S. W. Cui, S. M. Mari, B. Z. Dai, F. Ruggieri, C. Y. Wu, P. Branchini, F. R. Zhu, L. Saggese, M. Panareo, Q. Y. Yang, G. Zizzi, G. D'Alí Staiti, S. Catalanotti, L. Zhang, J. Y. Li, E. Rossi, P. F. Zhang, Y. B. Chen, Paolo Montini, X. J. Bi, R. Iuppa, S. Vernetto, H. W. Wang, S. Z. Chen, A. Budano, A. K. Calabrese Melcarne, S. Mastroianni, R. Cardarelli, B. Bartoli, R. Gargana, Labaciren, A. F. Yuan, G. Di Sciascio, M. De Vincenzi, Danzengluobu, G. Liguori, C. X. Liu, H. Y. Jia, C. Bacci, Aielli, G, Bacci, C, Bartoli, B, Bernardini, P, Bi, XJ, Bleve, C, Branchini, P, Budano, A, Bussino, S, Calabrese Melcarne, AK, Camarri, P, Cao, Z, Cappa, A, Cardarelli, R, Catalanotti, S, Cattaneo, C, Celio, P, Chen, SZ, Chen, TL, Chen, Y, Cheng, N, Creti, P, Cui, SW, Dai, BZ, D’AlìStaiti, G, Danzengluobu, Dattoli, M, De Mitri, I, D’Ettorre Piazzoli, B, De Vincenzi, M, Di Girolamo, T, Ding, XH, Di Sciascio, G, Feng, CF, Feng, ZYa, Feng, ZYo, Galeazzi, F, Galeotti, P, Gargana, R, Gou, QB, Guo, YQ, He, HH, Hu, HBi, Hu, HBo, Huang, Q, Iacovacci, M, Iuppa, R, James, J, Jia, HY, Labaciren, Li, HJ, Li, JY, Li, XX, Liberti, B, Liguori, G, Liu, C, Liu, CQ, Liu, MY, Liu, J, Lu, H, Ma, XH, Mancarella, G, Mari, SM, Marsella, G, Martello, D, Mastroianni, S, Meng, XR, Montini, P, Ning, CC, Pagliaro, A, Panareo, M, Perrone, L, Pistilli, P, Qu, XB, Rossi, E, Ruggieri, F, Saggese, L, Salvini, P, Santonico, R, Shen PR, Sheng, XD, Shi, F, Stanescu, C, Surdo, A, Tan, YH, Vallania, P, Vernetto, S, Vigorito, C, Wang, B, Wang, H, Wu, CY, Wu, HR, Xu, B, Xue, L, Yan, YX, Yang, QY, Yang, XC, Yuan, AF, Zha, M, Zhang, HM, Zhang, JLi, Zhang, JLo, Zhang, L, Zhang, P, Zhang, XY, Zhang, Y, Zhaxisangzhu, Zhou, XX, Zhu, FR, Zhu, QQ, Zizzi, G, G., Aielli, C., Bacci, B., Bartoli, Bernardini, Paolo, X. J., Bi, C., Bleve, P., Branchini, A., Budano, S., Bussino, A. K., CALABRESE MELCARNE, P., Camarri, Z., Cao, A., Cappa, R., Cardarelli, S., Catalanotti, C., Cattaneo, P., Celio, S. Z., Chen, Y., Chen, N., Cheng, P., Creti, S. W., Cui, B. Z., Dai, G., D’ALÍ STAITI, M., Dattoli, DE MITRI, Ivan, B., D’ETTORRE PIAZZOLI, M., DE VINCENZI, T., DI GIROLAMO, X. H., Ding, G., DI SCIASCIO, C. F., Feng, Zhaoyang, Feng, Zhenyong, Feng, F., Galeazzi, P., Galeotti, R., Gargana, Q. B., Gou, Y. Q., Guo, H. H., He, Haibing, Hu, Hongbo, Hu, Q., Huang, M., Iacovacci, R., Iuppa, I., Jame, H. Y., Jia, H. J., Li, J. Y., Li, X. X., Li, B., Liberti, G., Liguori, C., Liu, C. Q., Liu, M. Y., Liu, J., Liu, H., Lu, X. H., Ma, Mancarella, Giovanni, S. M., Mari, Marsella, Giovanni, Martello, Daniele, S., Mastroianni, X. R., Meng, P., Montini, C. C., Ning, A., Pagliaro, Panareo, Marco, Perrone, Lorenzo, P., Pistilli, X. B., Qu, E., Rossi, F., Ruggieri, L., Saggese, P., Salvini, R., Santonico, P. R., Shen, X. D., Sheng, F., Shi, C., Stanescu, A., Surdo, Y. H., Tan, P., Vallania, S., Vernetto, C., Vigorito, B., Wang, H., Wang, C. Y., Wu, H. R., Wu, B., Xu, L., Xue, Y. X., Yan, Q. Y., Yang, X. C., Yang, A. F., Yuan, M., Zha, H. M., Zhang, Jilong, Zhang, Jianli, Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhang, X. X., Zhou, F. R., Zhu, Q. Q., Zhu, G., Zizzi, Bi, Xj, Bussino, Severino Angelo Maria, Calabrese Melcarne, Ak, Chen, Sz, Chen, Tl, Cui, Sw, Dai, Bz, D'Ali Staiti, G, D'Ettorre Piazzoli, B, DE VINCENZI, Mario, Ding, Xh, Feng, Cf, Feng Zhao, Yang, Feng Zhen, Yong, Gou, Qb, Guo, Yq, He, Hh, Hu, Haibing, Hu Hong, Bo, James, I, Jia, Hy, Li, Hj, Li, Jy, Li, Xx, Liu, Cq, Liu, My, Ma, Xh, Mari, Stefano Maria, Meng, Xr, Ning, Cc, Qu, Xb, Shen, Pr, Sheng, Xd, Tan, Yh, Wu, Cy, Wu, Hr, Yan, Yx, Yang, Qy, Yang, Xc, Yuan, Af, Zhang, Hm, Zhang Ji, Long, Zhang Jian, Li, Zhang, Xy, Zhou, Xx, Zhu, Fr, Zhu, Qq, Zizzi, G., Feng, Zhao-Yang, Feng, Zhen-Yong, Hu, Hong-Bo, Mari, Sm, Zhang, Ji-Long, Zhang, Jian-Li, A. K., Calabrese Melcarne, T. L., Chen, G., D’Alı´ Staiti, B., D’Ettorre Piazzoli, M., De Vincenzi, T., Di Girolamo, G., Di Sciascio, L., Xu, Aielli, G., Bacci, C., Bartoli, Bruno, Bernardini, P., Bleve, C., Branchini, P., Budano, A., Bussino, S., Calabrese Melcarne, A. K., Camarri, P., Cao, Z., Cappa, A., Cardarelli, R., Catalanotti, Sergio, Cattaneo, C., Celio, P., Chen, S. Z., Chen, T. L., Chen, Y., Cheng, N., Creti, P., Cui, S. W., Dai, B. Z., D’Alí Staiti, G., Dattoli, M., De Mitri, I., D'ETTORRE PIAZZOLI, Benedetto, De Vincenzi, M., DI GIROLAMO, Tristano, Ding, X. H., Di Sciascio, G., Feng, C. F., Galeazzi, F., Galeotti, P., Gargana, R., Gou, Q. B., Guo, Y. Q., Huang, Q., Iacovacci, Michele, Iuppa, R., James, I., Jia, H. Y., Liberti, B., Liguori, G., Liu, C., Liu, C. Q., Liu, M. Y., Liu, J., Lu, H., Mancarella, G., Mari, S. M., Marsella, G., Martello, D., Mastroianni, S., Meng, X. R., Montini, P., Ning, C. C., Pagliaro, A., Panareo, M., Perrone, L., Pistilli, P., Rossi, E., Ruggieri, F., Saggese, L., Salvini, P., Santonico, R., Shen, P. R., Sheng, X. D., Shi, F., Stanescu, C., Surdo, A., Tan, Y. H., Vallania, P., Vernetto, S., Vigorito, C., Wang, B., Wang, H., Xu, B., Xue, L., Yan, Y. X., Yang, Q. Y., Yang, X. C., Yuan, A. F., Zha, M., Zhang, H. M., Zhang, L., Zhang, P., Zhang, X. Y., Zhang, Y., Zhou, X. X., Zhu, F. R., and Zhu, Q. Q.
Subjects: History, Astronomy, Flux, Astrophysics, Proton flux, 01 natural sciences, Argo-Ybj, Gamma-ray emission, Settore FIS/05 - Astronomia E Astrofisica, Cosmic-ray physics, Resistive Plate Chambers, Instrumentation, 010303 astronomy & astrophysics, Argo, Physics, Range (particle radiation), Detector, Settore FIS/01 - Fisica Sperimentale, Crab nebula, Astrophysics::Instrumentation and Methods for Astrophysics, Gamma ray, Crab nebula, Extensive air showers, Flux ratio, Gamma-ray astronomy, Gamma-ray emission, Ground based, Resistive plate chambers, Astronomy, Cosmic rays, Cosmology, Experiments, Gamma rays, Flux ratio, Cosmology, Computer Science Applications, Resistive plate chambers, Nuclear and High Energy Physics, X- and γ-ray instrument, Ground-based gamma-ray astronomy, Astrophysics::High Energy Astrophysical Phenomena, Extensive air shower, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Cosmic Ray, Education, Resistive Plate Chambers, Extensive air showers, Ground-based g ray astronomy, Cosmic-ray physics, Ground-based γ-ray astronomy, 0103 physical sciences, Extensive air showers, Cosmic rays, Extensive air showers, X- and γ-ray instruments, Pulsars. Quasars, active or peculiar galaxies, objects and systems, Astrophysics::Galaxy Astrophysics, Gamma-ray astronomy, 010308 nuclear & particles physics, Resistive Plate Chamber, Ground based, Crab Nebula, Antiproton, Satellite, Gamma-ray burst, Experiments
Abstract: ""The ARGO-YBJ experiment at YangBaJing in Tibet (4300m a.s.l.) has been taking data with its full layout since October 2007. Here we present a few significant results obtained in gamma-ray astronomy and cosmic-ray physics. Emphasis is placed on the analysis of gamma-ray emission from point-like sources (Crab Nebula, MRK 421), on the preliminary limit on the antiproton\\\/proton flux ratio, on the large-scale cosmic-ray anisotropy and on the proton-air cross-section. The performance of the detector is also discussed, and the perspectives of the experiment are outlined.""
Published: 2012

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24 results on '"Irina James"'

1. Low-mass dark matter search with the DarkSide-50 experiment

2. Electroluminescence pulse shape and electron diffusion in liquid argon measured in a dual-phase TPC

3. Constraints on sub-gev dark-matter-electron scattering from the darkside-50 experiment

4. The Electronics, Trigger and Data Acquisition System for the Liquid Argon Time Projection Chamber of the DarkSide-50 Search for Dark Matter

5. THE DARKSIDE-50 EXPERIMENT: A LIQUID ARGON TARGET FOR DARK MATTER PARTICLES

6. The DarkSide Experiment: Present Status and Future

7. The electronics and data acquisition system for the DarkSide-50 veto detectors

8. The DarkSide awakens

9. Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon

10. The veto system of the DarkSide-50 experiment

11. DarkSide-50: Status of the detector and results

12. The DarkSide Project

13. The DarkSide-50 outer detectors

14. Gamma-ray astronomy and cosmic-ray physics with ARGO-YBJ

15. Observation of TeV gamma rays from the Cygnus region with the ARGO-YBJ experiment

16. Measurement of the cosmic ray antiproton/proton flux ratio at TeV energies with the ARGO-YBJ detector

17. Calibration of the RPC charge readout in the ARGO-YBJ experiment

18. Light-component spectrum of the primary cosmic rays in the multi-TeV region measured by the ARGO-YBJ experiment

19. Mean Interplanetary Magnetic Field Measurement Using the ARGO-YBJ Experiment

20. Early warning for VHE gamma-ray flares with the ARGO-YBJ detector

21. Proton-air cross section measurement with the ARGO-YBJ cosmic ray experiment

22. ARGO-YBJ constraints on very high energy emission from GRBs

23. ARGO-YBJ experiment: the Scaler Mode Technique

24. Highlights from the ARGO-YBJ Experiment

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24 results on '"Irina James"'

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