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11 results on '"Larizgoitia, L."'

1. Measurement of Energy Resolution with the NEXT-White Silicon Photomultipliers

Author

Contreras, T., Palmeiro, B., Almazán, H., Para, A., Martínez-Lema, G., Guenette, R., Adams, C., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Brodolin, A., Byrnes, N., Cárcel, S., Castillo, A., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Echevarria, C., Elorza, M., Escada, J., Esteve, R., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freixa, Z., García-Barrena, J., Gómez-Cadenas, J. J., González, R., Grocott, J. W. R., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ifergan, Y., Jones, B. J. P., Kellerer, F., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Vara, M., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Navarro, K. E., Novella, P., Nuñez, A., Nygren, D. R., Oblak, E., Palacio, J., Parmaksiz, I., Pazos, A., Pelegrin, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Seemann, M., Shomroni, I., Silva, P. A. O. C., Simón, A., Soleti, S. R., Sorel, M., Soto-Oton, J., Teixeira, J. M. R., Teruel-Pardo, S., Toledo, J. F., Tonnelé, C., Torrent, J., Trettin, A., Usón, A., Valle, P. R. G., Veloso, J. F. C. A., Waiton, J., Yubero-Navarro, A., Contreras, T., Palmeiro, B., Almazán, H., Para, A., Martínez-Lema, G., Guenette, R., Adams, C., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Brodolin, A., Byrnes, N., Cárcel, S., Castillo, A., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Echevarria, C., Elorza, M., Escada, J., Esteve, R., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freixa, Z., García-Barrena, J., Gómez-Cadenas, J. J., González, R., Grocott, J. W. R., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ifergan, Y., Jones, B. J. P., Kellerer, F., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Vara, M., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Navarro, K. E., Novella, P., Nuñez, A., Nygren, D. R., Oblak, E., Palacio, J., Parmaksiz, I., Pazos, A., Pelegrin, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Seemann, M., Shomroni, I., Silva, P. A. O. C., Simón, A., Soleti, S. R., Sorel, M., Soto-Oton, J., Teixeira, J. M. R., Teruel-Pardo, S., Toledo, J. F., Tonnelé, C., Torrent, J., Trettin, A., Usón, A., Valle, P. R. G., Veloso, J. F. C. A., Waiton, J., and Yubero-Navarro, A.

Abstract

The NEXT-White detector, a high-pressure gaseous xenon time projection chamber, demonstrated the excellence of this technology for future neutrinoless double beta decay searches using photomultiplier tubes (PMTs) to measure energy and silicon photomultipliers (SiPMs) to extract topology information. This analysis uses $^{83m}\text{Kr}$ data from the NEXT-White detector to measure and understand the energy resolution that can be obtained with the SiPMs, rather than with PMTs. The energy resolution obtained of (10.9 $\pm$ 0.6) $\%$, full-width half-maximum, is slightly larger than predicted based on the photon statistics resulting from very low light detection coverage of the SiPM plane in the NEXT-White detector. The difference in the predicted and measured resolution is attributed to poor corrections, which are expected to be improved with larger statistics. Furthermore, the noise of the SiPMs is shown to not be a dominant factor in the energy resolution and may be negligible when noise subtraction is applied appropriately, for high-energy events or larger SiPM coverage detectors. These results, which are extrapolated to estimate the response of large coverage SiPM planes, are promising for the development of future, SiPM-only, readout planes that can offer imaging and achieve similar energy resolution to that previously demonstrated with PMTs.

Published
2024

2. Particle physics at the European Spallation Source

Author

Abele, H, Alekou, A, Algora, A, Andersen, K, Baessler, S, Barron-Palos, L, Barrow, J, Baussan, E, Bentley, P, Berezhiani, Z, Bessler, Y, Bhattacharyya, A, Bianchi, A, Bijnens, J, Blanco, C, Kraljevic, N, Blennow, M, Bodek, K, Bogomilov, M, Bohm, C, Bolling, B, Bouquerel, E, Brooijmans, G, Broussard, L, Buchan, O, Burgman, A, Calen, H, Carlile, C, Cederkall, J, Chanel, E, Christiansen, P, Cirigliano, V, Collar, J, Collins, M, Crawford, C, Morales, E, Cupial, P, D'Alessi, L, Damian, J, Danared, H, Dancila, D, de Andre, J, Delahaye, J, Degenkolb, S, Di Julio, D, Dracos, M, Dunne, K, Efthymiopoulos, I, Ekelof, T, Eklund, L, Eshraqi, M, Esteban, I, Fanourakis, G, Farricker, A, Fernandez-Martinez, E, Ferreira, M, Fertl, M, Fierlinger, P, Folsom, B, Frank, A, Fratangelo, A, Friman-Gayer, U, Fukuda, T, Fynbo, H, Sosa, A, Gazis, N, Galnander, B, Geralis, T, Ghosh, M, Gokbulut, G, Gomez-Cadenas, J, Gonzalez-Alonso, M, Gonzalez, F, Halic, L, Happe, C, Heil, P, Heinz, A, Herde, H, Holl, M, Jenke, T, Jenssen, M, Jericha, E, Johansson, H, Johansson, R, Johansson, T, Kamyshkov, Y, Topaksu, A, Kildetoft, B, Kirch, K, Klicek, B, Klinkby, E, Kolevatov, R, Konrad, G, Koziol, M, Krhac, K, Kupsc, A, Lacny, L, Larizgoitia, L, Lewis, C, Lindroos, M, Lychagin, E, Lytken, E, Maiano, C, Marciniewski, P, Markaj, G, Markisch, B, Marrelli, C, Martins, C, Meirose, B, Mezzetto, M, Milas, N, Milstead, D, Monrabal, F, Muhrer, G, Nepomuceno, A, Nesvizhevsky, V, Nilsson, T, Novella, P, Oglakci, M, Ohlsson, T, Olvegard, M, Oskarsson, A, Ota, T, Park, J, Patrzalek, D, Perrey, H, Persoz, M, Petkov, G, Piegsa, F, Pistillo, C, Poussot, P, Privitera, P, Rataj, B, Ries, D, Rizzi, N, Rosauro-Alcaraz, S, Rozpedzik, D, Saiang, D, Santoro, V, Schmidt, U, Schober, H, Schulthess, I, Silverstein, S, Simon, A, Sina, H, Snamina, J, Snow, W, Soldner, T, Stavropoulos, G, Stipcevic, M, Szybinski, B, Takibayev, A, Tang, Z, Tarkeshian, R, Theroine, C, Thorne, J, Terranova, F, Thomas, J, Tolba, T, Torres-Sanchez, P, Trachanas, E, Tsenov, R, Uggerhoj, U, Vankova-Kirilova, G, Vassilopoulos, N, Wagner, R, Wang, X, Wildner, E, Wolke, M, Wurtz, J, Yiu, S, Yoon, S, Young, A, Zanini, L, Zejma, J, Zerzion, D, Zimmer, O, Zormpa, O, Zou, Y, Abele H., Alekou A., Algora A., Andersen K., Baessler S., Barron-Palos L., Barrow J., Baussan E., Bentley P., Berezhiani Z., Bessler Y., Bhattacharyya A. K., Bianchi A., Bijnens J., Blanco C., Kraljevic N. B., Blennow M., Bodek K., Bogomilov M., Bohm C., Bolling B., Bouquerel E., Brooijmans G., Broussard L. J., Buchan O., Burgman A., Calen H., Carlile C. J., Cederkall J., Chanel E., Christiansen P., Cirigliano V., Collar J. I., Collins M., Crawford C. B., Morales E. C., Cupial P., D'Alessi L., Damian J. I. M., Danared H., Dancila D., de Andre J. P. A. M., Delahaye J. P., Degenkolb S., Di Julio D. D., Dracos M., Dunne K., Efthymiopoulos I., Ekelof T., Eklund L., Eshraqi M., Esteban I., Fanourakis G., Farricker A., Fernandez-Martinez E., Ferreira M. J., Fertl M., Fierlinger P., Folsom B., Frank A., Fratangelo A., Friman-Gayer U., Fukuda T., Fynbo H. O. U., Sosa A. G., Gazis N., Galnander B., Geralis T., Ghosh M., Gokbulut G., Gomez-Cadenas J. J., Gonzalez-Alonso M., Gonzalez F., Halic L., Happe C., Heil P., Heinz A., Herde H., Holl M., Jenke T., Jenssen M., Jericha E., Johansson H. T., Johansson R., Johansson T., Kamyshkov Y., Topaksu A. K., Kildetoft B., Kirch K., Klicek B., Klinkby E., Kolevatov R., Konrad G., Koziol M., Krhac K., Kupsc A., Lacny L., Larizgoitia L., Lewis C. M., Lindroos M., Lychagin E., Lytken E., Maiano C., Marciniewski P., Markaj G., Markisch B., Marrelli C., Martins C., Meirose B., Mezzetto M., Milas N., Milstead D., Monrabal F., Muhrer G., Nepomuceno A., Nesvizhevsky V., Nilsson T., Novella P., Oglakci M., Ohlsson T., Olvegard M., Oskarsson A., Ota T., Park J., Patrzalek D., Perrey H., Persoz M., Petkov G., Piegsa F. M., Pistillo C., Poussot P., Privitera P., Rataj B., Ries D., Rizzi N., Rosauro-Alcaraz S., Rozpedzik D., Saiang D., Santoro V., Schmidt U., Schober H., Schulthess I., Silverstein S., Simon A., Sina H., Snamina J., Snow W. M., Soldner T., Stavropoulos G., Stipcevic M., Szybinski B., Takibayev A., Tang Z., Tarkeshian R., Theroine C., Thorne J., Terranova F., Thomas J., Tolba T., Torres-Sanchez P., Trachanas E., Tsenov R., Uggerhoj U. I., Vankova-Kirilova G., Vassilopoulos N., Wagner R., Wang X., Wildner E., Wolke M., Wurtz J., Yiu S. C., Yoon S. G., Young A. R., Zanini L., Zejma J., Zerzion D., Zimmer O., Zormpa O., Zou Y., Abele, H, Alekou, A, Algora, A, Andersen, K, Baessler, S, Barron-Palos, L, Barrow, J, Baussan, E, Bentley, P, Berezhiani, Z, Bessler, Y, Bhattacharyya, A, Bianchi, A, Bijnens, J, Blanco, C, Kraljevic, N, Blennow, M, Bodek, K, Bogomilov, M, Bohm, C, Bolling, B, Bouquerel, E, Brooijmans, G, Broussard, L, Buchan, O, Burgman, A, Calen, H, Carlile, C, Cederkall, J, Chanel, E, Christiansen, P, Cirigliano, V, Collar, J, Collins, M, Crawford, C, Morales, E, Cupial, P, D'Alessi, L, Damian, J, Danared, H, Dancila, D, de Andre, J, Delahaye, J, Degenkolb, S, Di Julio, D, Dracos, M, Dunne, K, Efthymiopoulos, I, Ekelof, T, Eklund, L, Eshraqi, M, Esteban, I, Fanourakis, G, Farricker, A, Fernandez-Martinez, E, Ferreira, M, Fertl, M, Fierlinger, P, Folsom, B, Frank, A, Fratangelo, A, Friman-Gayer, U, Fukuda, T, Fynbo, H, Sosa, A, Gazis, N, Galnander, B, Geralis, T, Ghosh, M, Gokbulut, G, Gomez-Cadenas, J, Gonzalez-Alonso, M, Gonzalez, F, Halic, L, Happe, C, Heil, P, Heinz, A, Herde, H, Holl, M, Jenke, T, Jenssen, M, Jericha, E, Johansson, H, Johansson, R, Johansson, T, Kamyshkov, Y, Topaksu, A, Kildetoft, B, Kirch, K, Klicek, B, Klinkby, E, Kolevatov, R, Konrad, G, Koziol, M, Krhac, K, Kupsc, A, Lacny, L, Larizgoitia, L, Lewis, C, Lindroos, M, Lychagin, E, Lytken, E, Maiano, C, Marciniewski, P, Markaj, G, Markisch, B, Marrelli, C, Martins, C, Meirose, B, Mezzetto, M, Milas, N, Milstead, D, Monrabal, F, Muhrer, G, Nepomuceno, A, Nesvizhevsky, V, Nilsson, T, Novella, P, Oglakci, M, Ohlsson, T, Olvegard, M, Oskarsson, A, Ota, T, Park, J, Patrzalek, D, Perrey, H, Persoz, M, Petkov, G, Piegsa, F, Pistillo, C, Poussot, P, Privitera, P, Rataj, B, Ries, D, Rizzi, N, Rosauro-Alcaraz, S, Rozpedzik, D, Saiang, D, Santoro, V, Schmidt, U, Schober, H, Schulthess, I, Silverstein, S, Simon, A, Sina, H, Snamina, J, Snow, W, Soldner, T, Stavropoulos, G, Stipcevic, M, Szybinski, B, Takibayev, A, Tang, Z, Tarkeshian, R, Theroine, C, Thorne, J, Terranova, F, Thomas, J, Tolba, T, Torres-Sanchez, P, Trachanas, E, Tsenov, R, Uggerhoj, U, Vankova-Kirilova, G, Vassilopoulos, N, Wagner, R, Wang, X, Wildner, E, Wolke, M, Wurtz, J, Yiu, S, Yoon, S, Young, A, Zanini, L, Zejma, J, Zerzion, D, Zimmer, O, Zormpa, O, Zou, Y, Abele H., Alekou A., Algora A., Andersen K., Baessler S., Barron-Palos L., Barrow J., Baussan E., Bentley P., Berezhiani Z., Bessler Y., Bhattacharyya A. K., Bianchi A., Bijnens J., Blanco C., Kraljevic N. B., Blennow M., Bodek K., Bogomilov M., Bohm C., Bolling B., Bouquerel E., Brooijmans G., Broussard L. J., Buchan O., Burgman A., Calen H., Carlile C. J., Cederkall J., Chanel E., Christiansen P., Cirigliano V., Collar J. I., Collins M., Crawford C. B., Morales E. C., Cupial P., D'Alessi L., Damian J. I. M., Danared H., Dancila D., de Andre J. P. A. M., Delahaye J. P., Degenkolb S., Di Julio D. D., Dracos M., Dunne K., Efthymiopoulos I., Ekelof T., Eklund L., Eshraqi M., Esteban I., Fanourakis G., Farricker A., Fernandez-Martinez E., Ferreira M. J., Fertl M., Fierlinger P., Folsom B., Frank A., Fratangelo A., Friman-Gayer U., Fukuda T., Fynbo H. O. U., Sosa A. G., Gazis N., Galnander B., Geralis T., Ghosh M., Gokbulut G., Gomez-Cadenas J. J., Gonzalez-Alonso M., Gonzalez F., Halic L., Happe C., Heil P., Heinz A., Herde H., Holl M., Jenke T., Jenssen M., Jericha E., Johansson H. T., Johansson R., Johansson T., Kamyshkov Y., Topaksu A. K., Kildetoft B., Kirch K., Klicek B., Klinkby E., Kolevatov R., Konrad G., Koziol M., Krhac K., Kupsc A., Lacny L., Larizgoitia L., Lewis C. M., Lindroos M., Lychagin E., Lytken E., Maiano C., Marciniewski P., Markaj G., Markisch B., Marrelli C., Martins C., Meirose B., Mezzetto M., Milas N., Milstead D., Monrabal F., Muhrer G., Nepomuceno A., Nesvizhevsky V., Nilsson T., Novella P., Oglakci M., Ohlsson T., Olvegard M., Oskarsson A., Ota T., Park J., Patrzalek D., Perrey H., Persoz M., Petkov G., Piegsa F. M., Pistillo C., Poussot P., Privitera P., Rataj B., Ries D., Rizzi N., Rosauro-Alcaraz S., Rozpedzik D., Saiang D., Santoro V., Schmidt U., Schober H., Schulthess I., Silverstein S., Simon A., Sina H., Snamina J., Snow W. M., Soldner T., Stavropoulos G., Stipcevic M., Szybinski B., Takibayev A., Tang Z., Tarkeshian R., Theroine C., Thorne J., Terranova F., Thomas J., Tolba T., Torres-Sanchez P., Trachanas E., Tsenov R., Uggerhoj U. I., Vankova-Kirilova G., Vassilopoulos N., Wagner R., Wang X., Wildner E., Wolke M., Wurtz J., Yiu S. C., Yoon S. G., Young A. R., Zanini L., Zejma J., Zerzion D., Zimmer O., Zormpa O., and Zou Y.

Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches).

Published
2023

3. Particle physics at the European Spallation Source

Author

Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calén, Hans, Carlile, Colin J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, Dragos, de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelöf, Tord, Eklund, Lars, Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H. O. U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J. J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, Tord, Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupść, Andrzej, Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, Pawel, Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegård, Maja, Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, Magnus, Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., Zou, Ye, Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calén, Hans, Carlile, Colin J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, Dragos, de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelöf, Tord, Eklund, Lars, Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H. O. U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J. J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, Tord, Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupść, Andrzej, Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, Pawel, Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegård, Maja, Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, Magnus, Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., and Zou, Ye

Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world’s brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches).

Published
2023
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4. Demonstration of Event Position Reconstruction based on Diffusion in the NEXT-White Detector

Author

Haefner, J., Navarro, K. E., Guenette, R., Jones, B. J. P., Tripathi, A., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., BenllochRodríguez, J. M., Borges, F. I. G. M., Brodolin, A., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Contreras, T., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Elorza, M., Escada, J., Esteve, R., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ifergan, Y., Labarga, L., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z. E., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Novella, P., Nuñez, A., Nygren, D. R., Oblak, E., Palacio, J., Palmeiro, B., Para, A., Parmaksiz, I., Pelegrin, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Shomroni, I., Simón, A., Soleti, S. R., Sorel, M., Soto-Oton, J., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Trettin, A., Usón, A., Veloso, J. F. C. A., Waiton, J., White, J. T., Haefner, J., Navarro, K. E., Guenette, R., Jones, B. J. P., Tripathi, A., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., BenllochRodríguez, J. M., Borges, F. I. G. M., Brodolin, A., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Contreras, T., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Elorza, M., Escada, J., Esteve, R., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ifergan, Y., Labarga, L., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z. E., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Novella, P., Nuñez, A., Nygren, D. R., Oblak, E., Palacio, J., Palmeiro, B., Para, A., Parmaksiz, I., Pelegrin, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Shomroni, I., Simón, A., Soleti, S. R., Sorel, M., Soto-Oton, J., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Trettin, A., Usón, A., Veloso, J. F. C. A., Waiton, J., and White, J. T.

Abstract

Noble element time projection chambers are a leading technology for rare event detection in physics, such as for dark matter and neutrinoless double beta decay searches. Time projection chambers typically assign event position in the drift direction using the relative timing of prompt scintillation and delayed charge collection signals, allowing for reconstruction of an absolute position in the drift direction. In this paper, alternate methods for assigning event drift distance via quantification of electron diffusion in a pure high pressure xenon gas time projection chamber are explored. Data from the NEXT-White detector demonstrate the ability to achieve good position assignment accuracy for both high- and low-energy events. Using point-like energy deposits from $^{83\mathrm{m}}$Kr calibration electron captures ($E\sim45$keV), the position of origin of low-energy events is determined to $2~$cm precision with bias $< 1$mm. A convolutional neural network approach is then used to quantify diffusion for longer tracks (E$\geq$1.5MeV), yielding a precision of 3cm on the event barycenter. The precision achieved with these methods indicates the feasibility energy calibrations of better than 1% FWHM at Q$_{\beta\beta}$ in pure xenon, as well as the potential for event fiducialization in large future detectors using an alternate method that does not rely on primary scintillation., Comment: 18 pages, 16 figures

Published
2023

5. A Compact Dication Source for Ba$^{2+}$ Tagging and Heavy Metal Ion Sensor Development

Author

Navarro, K. E., Jones, B. J. P., Baeza-Rubio, J., Boyd, M., Denisenko, A. A., Foss, F. W., Giri, S., Miller, R., Nygren, D. R., Tiscareno, M. R., Samaniego, F. J., Stogsdill, K., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Guenette, R., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ho, J., Ho, P., Ifergan, Y., Labarga, L., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z. E., Mistry, K., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Novella, P., Nuñez, A., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Pelegrín, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Sorel, M., Stanford, C., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Usón, A., Veloso, J. F. C. A., Vuong, T. T., Waiton, J., White, J. T., Navarro, K. E., Jones, B. J. P., Baeza-Rubio, J., Boyd, M., Denisenko, A. A., Foss, F. W., Giri, S., Miller, R., Nygren, D. R., Tiscareno, M. R., Samaniego, F. J., Stogsdill, K., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Guenette, R., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ho, J., Ho, P., Ifergan, Y., Labarga, L., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z. E., Mistry, K., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Novella, P., Nuñez, A., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Pelegrín, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Sorel, M., Stanford, C., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Usón, A., Veloso, J. F. C. A., Vuong, T. T., Waiton, J., and White, J. T.

Abstract

We present a tunable metal ion beam that delivers controllable ion currents in the picoamp range for testing of dry-phase ion sensors. Ion beams are formed by sequential atomic evaporation and single or multiple electron impact ionization, followed by acceleration into a sensing region. Controllability of the ionic charge state is achieved through tuning of electrode potentials that influence the retention time in the ionization region. Barium, lead, and cobalt samples have been used to test the system, with ion currents identified and quantified using a quadrupole mass analyzer. Realization of a clean $\mathrm{Ba^{2+}}$ ion beam within a bench-top system represents an important technical advance toward the development and characterization of barium tagging systems for neutrinoless double beta decay searches in xenon gas. This system also provides a testbed for investigation of novel ion sensing methodologies for environmental assay applications, with dication beams of Pb$^{2+}$ and Cd$^{2+}$ also demonstrated for this purpose.

Published
2023
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6. Demonstration of neutrinoless double beta decay searches in gaseous xenon with NEXT

Author

NEXT Collaboration, Novella, P., Sorel, M., Usón, A., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Contreras, T., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Elorza, M., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Guenette, R., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ho, J., Ho, P., Ifergan, Y., Jones, B. J. P., Labarga, L., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., Gutierrez, D. Lopez, López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z. E., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K. E., Nuñez, A., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palacio, J., Palmeiro, B., Para, A., Parmaksiz, I., Pelegrin, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Soleti, S. R., Stanford, C., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Veloso, J. F. C. A., Vuong, T. T., Waiton, J., White, J. T., NEXT Collaboration, Novella, P., Sorel, M., Usón, A., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Contreras, T., Cossío, F. P., Dey, E., Díaz, G., Dickel, T., Elorza, M., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Guenette, R., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Carrete, C. Hervés, Ho, J., Ho, P., Ifergan, Y., Jones, B. J. P., Labarga, L., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., Gutierrez, D. Lopez, López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z. E., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K. E., Nuñez, A., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palacio, J., Palmeiro, B., Para, A., Parmaksiz, I., Pelegrin, J., Maneiro, M. Pérez, Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Soleti, S. R., Stanford, C., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Veloso, J. F. C. A., Vuong, T. T., Waiton, J., and White, J. T.

Abstract

The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay in $^{136}$Xe, using high-pressure gas electroluminescent time projection chambers. The NEXT-White detector is the first radiopure demonstrator of this technology, operated in the Laboratorio Subterr\'aneo de Canfranc. Achieving an energy resolution of 1% FWHM at 2.6 MeV and further background rejection by means of the topology of the reconstructed tracks, NEXT-White has been exploited beyond its original goals in order to perform a neutrinoless double beta decay search. The analysis considers the combination of 271.6 days of $^{136}$Xe-enriched data and 208.9 days of $^{136}$Xe-depleted data. A detailed background modeling and measurement has been developed, ensuring the time stability of the radiogenic and cosmogenic contributions across both data samples. Limits to the neutrinoless mode are obtained in two alternative analyses: a background-model-dependent approach and a novel direct background-subtraction technique, offering results with small dependence on the background model assumptions. With a fiducial mass of only 3.50$\pm$0.01 kg of $^{136}$Xe-enriched xenon, 90% C.L. lower limits to the neutrinoless double beta decay are found in the T$_{1/2}^{0\nu}>5.5\times10^{23}-1.3\times10^{24}$ yr range, depending on the method. The presented techniques stand as a proof-of-concept for the searches to be implemented with larger NEXT detectors.

Published
2023
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7. Particle Physics at the European Spallation Source

Author

Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calen, H., Carlile, C. J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, D., de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelof, T., Eklund, L., Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, M. J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H . O . U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J . J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, T., Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupsc, A., Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, P., Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegard, M., Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, M., Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., Zou, Y., Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calen, H., Carlile, C. J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, D., de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelof, T., Eklund, L., Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, M. J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H . O . U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J . J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, T., Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupsc, A., Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, P., Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegard, M., Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, M., Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., and Zou, Y.

Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches)., Comment: 121 pages

Published
2022
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8. Reflectance and fluorescence characteristics of PTFE coated with TPB at visible, UV, and VUV as a function of thickness

Author

Haefner, J., Fahs, A., Ho, J., Stanford, C., Guenette, R., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Cossío, F. P., Denisenko, A. A., Dey, E., Díaz, G., Dickel, T., Escada, J., Esteve, R., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Ho, P., Ifergan, Y., Jones, B. J. P., Kekic, M., Labarga, L., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Madigan, R., Mano, R. D. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Marques, A. P., Meziani, Z. E., Miller, R., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K., Novella, P., Nuñez, A., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Sorel, M., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Usón, A., Veloso, J. F. C. A., Vuong, T. T., Waiton, J., Haefner, J., Fahs, A., Ho, J., Stanford, C., Guenette, R., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Cossío, F. P., Denisenko, A. A., Dey, E., Díaz, G., Dickel, T., Escada, J., Esteve, R., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., Grocott, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Ho, P., Ifergan, Y., Jones, B. J. P., Kekic, M., Labarga, L., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Madigan, R., Mano, R. D. P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Marques, A. P., Meziani, Z. E., Miller, R., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K., Novella, P., Nuñez, A., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Querol, M., Redwine, A. B., Renner, J., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Sorel, M., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Usón, A., Veloso, J. F. C. A., Vuong, T. T., and Waiton, J.

Abstract

Polytetrafluoroethylene (PTFE) is an excellent diffuse reflector widely used in light collection systems for particle physics experiments. In noble element systems, it is often coated with tetraphenyl butadiene (TPB) to allow detection of vacuum ultraviolet scintillation light. In this work this dependence is investigated for PTFE coated with TPB in air for light of wavelengths of 200~nm, 260~nm, and 450~nm. The results show that TPB-coated PTFE has a reflectance of approximately 92\% for thicknesses ranging from 5~mm to 10~mm at 450~nm, with negligible variation as a function of thickness within this range. A cross-check of these results using an argon chamber supports the conclusion that the change in thickness from 5~mm to 10~mm does not affect significantly the light response at 128~nm. Our results indicate that pieces of TPB-coated PTFE thinner than the typical 10~mm can be used in particle physics detectors without compromising the light signal.

Published
2022
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9. Particle Physics at the European Spallation Source

Author

Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calen, H., Carlile, C. J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, D., de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelof, T., Eklund, L., Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, M. J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H . O . U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J . J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, T., Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupsc, A., Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, P., Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegard, M., Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, M., Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., Zou, Y., Abele, H., Alekou, A., Algora, A., Andersen, K., Baessler, S., Barron-Palos, L., Barrow, J., Baussan, E., Bentley, P., Berezhiani, Z., Bessler, Y., Bhattacharyya, A. K., Bianchi, A., Bijnens, J., Blanco, C., Kraljevic, N. Blaskovic, Blennow, M., Bodek, K., Bogomilov, M., Bohm, C., Bolling, B., Bouquerel, E., Brooijmans, G., Broussard, L. J., Buchan, O., Burgman, A., Calen, H., Carlile, C. J., Cederkall, J., Chanel, E., Christiansen, P., Cirigliano, V., Collar, J. I., Collins, M., Crawford, C. B., Morales, E. Cristaldo, Cupial, P., D'Alessi, L., Damian, J. I. M., Danared, H., Dancila, D., de Andre, J. P. A. M., Delahaye, J. P., Degenkolb, S., Di Julio, D. D., Dracos, M., Dunne, K., Efthymiopoulos, I., Ekelof, T., Eklund, L., Eshraqi, M., Esteban, I., Fanourakis, G., Farricker, A., Fernandez-Martinez, E., Ferreira, M. J., Fertl, M., Fierlinger, P., Folsom, B., Frank, A., Fratangelo, A., Friman-Gayer, U., Fukuda, T., Fynbo, H . O . U., Sosa, A. Garcia, Gazis, N., Galnander, B., Geralis, Th., Ghosh, M., Gokbulut, G., Gomez-Cadenas, J . J., Gonzalez-Alonso, M., Gonzalez, F., Halic, L., Happe, C., Heil, P., Heinz, A., Herde, H., Holl, M., Jenke, T., Jenssen, M., Jericha, E., Johansson, H. T., Johansson, R., Johansson, T., Kamyshkov, Y., Topaksu, A. Kayis, Kildetoft, B., Kirch, K., Klicek, B., Klinkby, E., Kolevatov, R., Konrad, G., Koziol, M., Krhac, K., Kupsc, A., Lacny, L., Larizgoitia, L., Lewis, C. M., Lindroos, M., Lychagin, E., Lytken, E., Maiano, C., Marciniewski, P., Markaj, G., Markisch, B., Marrelli, C., Martins, C., Meirose, B., Mezzetto, M., Milas, N., Milstead, D., Monrabal, F., Muhrer, G., Nepomuceno, A., Nesvizhevsky, V., Nilsson, T., Novella, P., Oglakci, M., Ohlsson, T., Olvegard, M., Oskarsson, A., Ota, T., Park, J., Patrzalek, D., Perrey, H., Persoz, M., Petkov, G., Piegsa, F. M., Pistillo, C., Poussot, P., Privitera, P., Rataj, B., Ries, D., Rizzi, N., Rosauro-Alcaraz, S., Rozpedzik, D., Saiang, D., Santoro, V., Schmidt, U., Schober, H., Schulthess, I., Silverstein, S., Simon, A., Sina, H., Snamina, J., Snow, W. M., Soldner, T., Stavropoulos, G., Stipcevic, M., Szybinski, B., Takibayev, A., Tang, Z., Tarkeshian, R., Theroine, C., Thorne, J., Terranova, F., Thomas, J., Tolba, T., Torres-Sanchez, P., Trachanas, E., Tsenov, R., Uggerhoj, U. I., Vankova-Kirilova, G., Vassilopoulos, N., Wagner, R., Wang, X., Wildner, E., Wolke, M., Wurtz, J., Yiu, S. C., Yoon, S. G., Young, A. R., Zanini, L., Zejma, J., Zerzion, D., Zimmer, O., Zormpa, O., and Zou, Y.

Abstract

Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches)., Comment: 121 pages, updated version after referee comments

Published
2022
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10. Ba$^{2+}$ ion trapping by organic submonolayer: towards an ultra-low background neutrinoless double beta decay detector

Author

Herrero-Gómez, P., Calupitan, J. P., Ilyn, M., Berdonces-Layunta, A., Wang, T., de Oteyza, D. G., Corso, M., González-Moreno, R., Rivilla, I., Aparicio, B., Aranburu, A. I., Freixa, Z., Monrabal, F., Cossío, F. P., Gómez-Cadenas, J. J., Rogero, C., Adams, C., Almazán, H., Alvarez, V., Arazi, L., Arnquist, I. J., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Denisenko, A. A., Díaz, G., Díaz, J., Dickel, T., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Generowicz, J., Goldschmidt, A., González-Díaz, D., Guenette, R., Gutiérrez, R. M., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero, V., Ho, J., Ifergan, Y., Jones, B. J. P., Kekic, M., Labarga, L., Laing, A., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Losada, M., Mano, R. D. P., Martín-Albo, J., Martínez, A., Martínez-Lema, G., Martínez-Vara, M., McDonald, A. D., Meziani, Z. E., Mistry, K., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K., Novella, P., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Pérez, J., Querol, M., Raymond, A., Redwine, A. B., Renner, J., Ripoll, L., García, Y. Rodríguez, Rodríguez, J., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Sorel, M., Stanford, C., Teixeira, J. M. R., Thapa, P., Toledo, J. F., Torrent, J., Usón, A., Veloso, J. F. C. A., Vuong, T. T., Webb, R., White, J. T., Woodruff, K., Yahlali, N., Herrero-Gómez, P., Calupitan, J. P., Ilyn, M., Berdonces-Layunta, A., Wang, T., de Oteyza, D. G., Corso, M., González-Moreno, R., Rivilla, I., Aparicio, B., Aranburu, A. I., Freixa, Z., Monrabal, F., Cossío, F. P., Gómez-Cadenas, J. J., Rogero, C., Adams, C., Almazán, H., Alvarez, V., Arazi, L., Arnquist, I. J., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Denisenko, A. A., Díaz, G., Díaz, J., Dickel, T., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Generowicz, J., Goldschmidt, A., González-Díaz, D., Guenette, R., Gutiérrez, R. M., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero, V., Ho, J., Ifergan, Y., Jones, B. J. P., Kekic, M., Labarga, L., Laing, A., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Losada, M., Mano, R. D. P., Martín-Albo, J., Martínez, A., Martínez-Lema, G., Martínez-Vara, M., McDonald, A. D., Meziani, Z. E., Mistry, K., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K., Novella, P., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Pérez, J., Querol, M., Raymond, A., Redwine, A. B., Renner, J., Ripoll, L., García, Y. Rodríguez, Rodríguez, J., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Sorel, M., Stanford, C., Teixeira, J. M. R., Thapa, P., Toledo, J. F., Torrent, J., Usón, A., Veloso, J. F. C. A., Vuong, T. T., Webb, R., White, J. T., Woodruff, K., and Yahlali, N.

Abstract

If neutrinos are their own antiparticles, the otherwise-forbidden nuclear reaction known as neutrinoless double beta decay ($\beta\beta 0\nu$) can occur, with a characteristic lifetime which is expected to be very long, making the suppression of backgrounds a daunting task. It has been shown that detecting (``tagging'') the Ba$^{+2}$ dication produced in the double beta decay ${}^{136}\mathrm{Xe} \rightarrow {}^{136}$Ba$^{+2}+ 2 e + (2 \nu)$ in a high pressure gas experiment, could lead to a virtually background free experiment. To identify these \Bapp, chemical sensors are being explored as a key tool by the NEXT collaboration . Although used in many fields, the application of such chemosensors to the field of particle physics is totally novel and requires experimental demonstration of their suitability in the ultra-dry environment of a xenon gas chamber. Here we use a combination of complementary surface science techniques to unambiguously show that Ba$^{+2}$ ions can be trapped (chelated) in vacuum by an organic molecule, the so-called fluorescent bicolour indicator (FBI) (one of the chemosensors developed by NEXT), immobilized on a surface. We unravel the ion capture mechanism once the molecules are immobilised on Au(111) surface and explain the origin of the emission fluorescence shift associated to the trapping of different ions. Moreover, we prove that chelation also takes place on a technologically relevant substrate, as such, demonstrating the feasibility of using FBI indicators as building blocks of a Ba$^{+2}$ detector.

Published
2022
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11. Measurement of the ${}^{136}$Xe two-neutrino double beta decay half-life via direct background subtraction in NEXT

Author

NEXT Collaboration, Novella, P., Sorel, M., Usón, A., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Cossío, F. P., Denisenko, A. A., Díaz, G., Díaz, J., Dickel, T., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., González-Díaz, D., Guenette, R., Gutiérrez, R. M., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Ho, J., Ifergan, Y., Jones, B. J. P., Kekic, M., Labarga, L., Laing, A., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Losada, M., Mano, R. D. P., Martín-Albo, J., Martínez, A., Martínez-Lema, G., Martínez-Vara, M., McDonald, A. D., Meziani, Z. E., Mistry, K., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Pérez, J., Querol, M., Raymond, A., Redwine, A. B., Renner, J., Ripoll, L., Rivilla, I., García, Y. Rodríguez, Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Stanford, C., Teixeira, J. M. R., Thapa, P., Toledo, J. F., Torrent, J., Veloso, J. F. C. A., Vuong, T. T., Webb, R., White, J. T., Woodruff, K., Yahlali, N., NEXT Collaboration, Novella, P., Sorel, M., Usón, A., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., Benlloch-Rodríguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Conde, C. A. N., Contreras, T., Cossío, F. P., Denisenko, A. A., Díaz, G., Díaz, J., Dickel, T., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Foss, F. W., Freitas, E. D. C., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J. J., González, R., González-Díaz, D., Guenette, R., Gutiérrez, R. M., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Morata, J. A. Hernando, Herrero-Gómez, P., Herrero, V., Ho, J., Ifergan, Y., Jones, B. J. P., Kekic, M., Labarga, L., Laing, A., Larizgoitia, L., Lebrun, P., Gutierrez, D. Lopez, López-March, N., Losada, M., Mano, R. D. P., Martín-Albo, J., Martínez, A., Martínez-Lema, G., Martínez-Vara, M., McDonald, A. D., Meziani, Z. E., Mistry, K., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Vidal, J. Muñoz, Navarro, K., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palmeiro, B., Para, A., Pérez, J., Querol, M., Raymond, A., Redwine, A. B., Renner, J., Ripoll, L., Rivilla, I., García, Y. Rodríguez, Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., Santos, J. M. F. dos, Simón, A., Stanford, C., Teixeira, J. M. R., Thapa, P., Toledo, J. F., Torrent, J., Veloso, J. F. C. A., Vuong, T. T., Webb, R., White, J. T., Woodruff, K., and Yahlali, N.

Abstract

We report a measurement of the half-life of the ${}^{136}$Xe two-neutrino double beta decay performed with a novel direct background subtraction technique. The analysis relies on the data collected with the NEXT-White detector operated with ${}^{136}$Xe-enriched and ${}^{136}$Xe-depleted xenon, as well as on the topology of double-electron tracks. With a fiducial mass of only 3.5 kg of Xe, a half-life of $2.34^{+0.80}_{-0.46}\textrm{(stat)}^{+0.30}_{-0.17}\textrm{(sys)}\times10^{21}~\textrm{yr}$ is derived from the background-subtracted energy spectrum. The presented technique demonstrates the feasibility of unique background-model-independent neutrinoless double beta decay searches., Comment: 9 pages, 7 figures, and 1 appendix

Published
2021
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