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1. The XENONnT dark matter experiment

Author: XENON Collaboration, E. Aprile, J. Aalbers, K. Abe, S. Ahmed Maouloud, L. Althueser, B. Andrieu, E. Angelino, J. R. Angevaare, V. C. Antochi, D. Antón Martin, F. Arneodo, M. Balata, L. Baudis, A. L. Baxter, M. Bazyk, L. Bellagamba, R. Biondi, A. Bismark, E. J. Brookes, A. Brown, S. Bruenner, G. Bruno, R. Budnik, T. K. Bui, C. Cai, J. M. R. Cardoso, F. Cassese, A. Chiarini, D. Cichon, A. P. Cimental Chavez, A. P. Colijn, J. Conrad, R. Corrieri, J. J. Cuenca-García, J. P. Cussonneau, O. Dadoun, V. D’Andrea, M. P. Decowski, B. De Fazio, P. Di Gangi, S. Diglio, J. M. Disdier, D. Douillet, K. Eitel, A. Elykov, S. Farrell, A. D. Ferella, C. Ferrari, H. Fischer, M. Flierman, S. Form, D. Front, W. Fulgione, C. Fuselli, P. Gaemers, R. Gaior, A. Gallo Rosso, M. Galloway, F. Gao, R. Gardner, N. Garroum, R. Glade-Beucke, L. Grandi, J. Grigat, H. Guan, M. Guerzoni, M. Guida, R. Hammann, A. Higuera, C. Hils, L. Hoetzsch, N. F. Hood, J. Howlett, C. Huhmann, M. Iacovacci, G. Iaquaniello, L. Iven, Y. Itow, J. Jakob, F. Joerg, A. Joy, M. Kara, P. Kavrigin, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, F. Kuger, H. Landsman, R. F. Lang, L. Levinson, I. Li, S. Li, S. Liang, S. Lindemann, M. Lindner, K. Liu, J. Loizeau, F. Lombardi, J. Long, J. A. M. Lopes, Y. Ma, C. Macolino, J. Mahlstedt, A. Mancuso, L. Manenti, F. Marignetti, T. Marrodán Undagoitia, P. Martella, K. Martens, J. Masbou, D. Masson, E. Masson, S. Mastroianni, E. Mele, M. Messina, R. Michinelli, K. Miuchi, A. Molinario, S. Moriyama, K. Morå, Y. Mosbacher, M. Murra, J. Müller, K. Ni, S. Nisi, U. Oberlack, D. Orlandi, R. Othegraven, B. Paetsch, J. Palacio, S. Parlati, P. Paschos, Q. Pellegrini, R. Peres, C. Peters, J. Pienaar, M. Pierre, G. Plante, T. R. Pollmann, J. Qi, J. Qin, D. Ramírez García, M. Rynge, J. Shi, R. Singh, L. Sanchez, J. M. F. dos Santos, I. Sarnoff, G. Sartorelli, J. Schreiner, D. Schulte, P. Schulte, H. Schulze Eißing, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, S. Shi, E. Shockley, M. Silva, H. Simgen, J. Stephen, M. Stern, B. K. Stillwell, A. Takeda, P.-L. Tan, D. Tatananni, A. Terliuk, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, F. Tönnies, K. Valerius, G. Volta, C. Weinheimer, M. Weiss, D. Wenz, J. Westermann, C. Wittweg, T. Wolf, V. H. S. Wu, Y. Xing, D. Xu, Z. Xu, M. Yamashita, L. Yang, J. Ye, L. Yuan, G. Zavattini, M. Zhong, and T. Zhu
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The multi-staged XENON program at INFN Laboratori Nazionali del Gran Sasso aims to detect dark matter with two-phase liquid xenon time projection chambers of increasing size and sensitivity. The XENONnT experiment is the latest detector in the program, planned to be an upgrade of its predecessor XENON1T. It features an active target of 5.9 tonnes of cryogenic liquid xenon (8.5 tonnes total mass in cryostat). The experiment is expected to extend the sensitivity to WIMP dark matter by more than an order of magnitude compared to XENON1T, thanks to the larger active mass and the significantly reduced background, improved by novel systems such as a radon removal plant and a neutron veto. This article describes the XENONnT experiment and its sub-systems in detail and reports on the detector performance during the first science run.
Published: 2024
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2. Measurements of neutrino oscillation parameters from the T2K experiment using $$3.6\times 10^{21}$$ 3.6 × 10 21 protons on target

Author: K. Abe, N. Akhlaq, R. Akutsu, A. Ali, S. Alonso Monsalve, C. Alt, C. Andreopoulos, M. Antonova, S. Aoki, T. Arihara, Y. Asada, Y. Ashida, E. T. Atkin, M. Barbi, G. J. Barker, G. Barr, D. Barrow, M. Batkiewicz-Kwasniak, F. Bench, V. Berardi, L. Berns, S. Bhadra, A. Blanchet, A. Blondel, S. Bolognesi, T. Bonus, S. Bordoni, S. B. Boyd, A. Bravar, C. Bronner, S. Bron, A. Bubak, M. Buizza Avanzini, J. A. Caballero, N. F. Calabria, S. Cao, D. Carabadjac, A. J. Carter, S. L. Cartwright, M. G. Catanesi, A. Cervera, J. Chakrani, D. Cherdack, P. S. Chong, G. Christodoulou, A. Chvirova, M. Cicerchia, J. Coleman, G. Collazuol, L. Cook, A. Cudd, C. Dalmazzone, T. Daret, Yu. I. Davydov, A. De Roeck, G. De Rosa, T. Dealtry, C. C. Delogu, C. Densham, A. Dergacheva, F. Di Lodovico, S. Dolan, D. Douqa, T. A. Doyle, O. Drapier, J. Dumarchez, P. Dunne, K. Dygnarowicz, A. Eguchi, S. Emery-Schrenk, G. Erofeev, A. Ershova, G. Eurin, D. Fedorova, S. Fedotov, M. Feltre, A. J. Finch, G. A. Fiorentini Aguirre, G. Fiorillo, M. D. Fitton, J. M. Franco Patiño, M. Friend, Y. Fujii, Y. Fukuda, K. Fusshoeller, L. Giannessi, C. Giganti, V. Glagolev, M. Gonin, J. González Rosa, E. A. G. Goodman, A. Gorin, M. Grassi, M. Guigue, D. R. Hadley, J. T. Haigh, P. Hamacher-Baumann, D. A. Harris, M. Hartz, T. Hasegawa, S. Hassani, N. C. Hastings, Y. Hayato, D. Henaff, A. Hiramoto, M. Hogan, J. Holeczek, A. Holin, T. Holvey, N. T. Hong Van, T. Honjo, F. Iacob, A. K. Ichikawa, M. Ikeda, T. Ishida, M. Ishitsuka, H. T. Israel, K. Iwamoto, A. Izmaylov, N. Izumi, M. Jakkapu, B. Jamieson, S. J. Jenkins, C. Jesús-Valls, J. J. Jiang, P. Jonsson, S. Joshi, C. K. Jung, P. B. Jurj, M. Kabirnezhad, A. C. Kaboth, T. Kajita, H. Kakuno, J. Kameda, S. P. Kasetti, Y. Kataoka, Y. Katayama, T. Katori, M. Kawaue, E. Kearns, M. Khabibullin, A. Khotjantsev, T. Kikawa, H. Kikutani, S. King, V. Kiseeva, J. Kisiel, T. Kobata, H. Kobayashi, T. Kobayashi, L. Koch, S. Kodama, A. Konaka, L. L. Kormos, Y. Koshio, A. Kostin, T. Koto, K. Kowalik, Y. Kudenko, Y. Kudo, S. Kuribayashi, R. Kurjata, T. Kutter, M. Kuze, M. La Commara, L. Labarga, K. Lachner, J. Lagoda, S. M. Lakshmi, M. Lamers James, M. Lamoureux, A. Langella, J.-F. Laporte, D. Last, N. Latham, M. Laveder, L. Lavitola, M. Lawe, Y. Lee, C. Lin, S.-K. Lin, R. P. Litchfield, S. L. Liu, W. Li, A. Longhin, K. R. Long, A. Lopez Moreno, L. Ludovici, X. Lu, T. Lux, L. N. Machado, L. Magaletti, K. Mahn, M. Malek, M. Mandal, S. Manly, A. D. Marino, L. Marti-Magro, D. G. R. Martin, M. Martini, J. F. Martin, T. Maruyama, T. Matsubara, V. Matveev, C. Mauger, K. Mavrokoridis, E. Mazzucato, N. McCauley, J. McElwee, K. S. McFarland, C. McGrew, J. McKean, A. Mefodiev, G. D. Megias, P. Mehta, L. Mellet, C. Metelko, M. Mezzetto, E. Miller, A. Minamino, O. Mineev, S. Mine, M. Miura, L. Molina Bueno, S. Moriyama, P. Morrison, Th. A. Mueller, D. Munford, L. Munteanu, K. Nagai, Y. Nagai, T. Nakadaira, K. Nakagiri, M. Nakahata, Y. Nakajima, A. Nakamura, H. Nakamura, K. Nakamura, K. D. Nakamura, Y. Nakano, S. Nakayama, T. Nakaya, K. Nakayoshi, C. E. R. Naseby, T. V. Ngoc, V. Q. Nguyen, K. Niewczas, S. Nishimori, Y. Nishimura, K. Nishizaki, T. Nosek, F. Nova, P. Novella, J. C. Nugent, H. M. O’Keeffe, L. O’Sullivan, T. Odagawa, T. Ogawa, R. Okada, W. Okinaga, K. Okumura, T. Okusawa, N. Ospina, R. A. Owen, Y. Oyama, V. Palladino, V. Paolone, M. Pari, J. Parlone, S. Parsa, J. Pasternak, M. Pavin, D. Payne, G. C. Penn, D. Pershey, L. Pickering, C. Pidcott, G. Pintaudi, C. Pistillo, B. Popov, K. Porwit, M. Posiadala-Zezula, Y. S. Prabhu, F. Pupilli, B. Quilain, T. Radermacher, E. Radicioni, B. Radics, M. A. Ramírez, P. N. Ratoff, M. Reh, C. Riccio, E. Rondio, S. Roth, N. Roy, A. Rubbia, A. C. Ruggeri, C. A. Ruggles, A. Rychter, K. Sakashita, F. Sánchez, G. Santucci, C. M. Schloesser, K. Scholberg, M. Scott, Y. Seiya, T. Sekiguchi, H. Sekiya, D. Sgalaberna, A. Shaikhiev, F. Shaker, A. Shaykina, M. Shiozawa, W. Shorrock, A. Shvartsman, N. Skrobova, K. Skwarczynski, D. Smyczek, M. Smy, J. T. Sobczyk, H. Sobel, F. J. P. Soler, Y. Sonoda, A. J. Speers, R. Spina, I. A. Suslov, S. Suvorov, A. Suzuki, S. Y. Suzuki, Y. Suzuki, A. A. Sztuc, M. Tada, S. Tairafune, S. Takayasu, A. Takeda, Y. Takeuchi, K. Takifuji, H. K. Tanaka, Y. Tanihara, M. Tani, A. Teklu, V. V. Tereshchenko, N. Teshima, N. Thamm, L. F. Thompson, W. Toki, C. Touramanis, T. Towstego, K. M. Tsui, T. Tsukamoto, M. Tzanov, Y. Uchida, M. Vagins, D. Vargas, M. Varghese, G. Vasseur, C. Vilela, E. Villa, W. G. S. Vinning, U. Virginet, T. Vladisavljevic, T. Wachala, J. G. Walsh, Y. Wang, L. Wan, D. Wark, M. O. Wascko, A. Weber, R. Wendell, M. J. Wilking, C. Wilkinson, J. R. Wilson, K. Wood, C. Wret, J. Xia, Y.-H. Xu, K. Yamamoto, T. Yamamoto, C. Yanagisawa, G. Yang, T. Yano, K. Yasutome, N. Yershov, U. Yevarouskaya, M. Yokoyama, Y. Yoshimoto, N. Yoshimura, M. Yu, R. Zaki, A. Zalewska, J. Zalipska, K. Zaremba, G. Zarnecki, X. Zhao, T. Zhu, M. Ziembicki, E. D. Zimmerman, M. Zito, S. Zsoldos, and T2K Collaboration
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The T2K experiment presents new measurements of neutrino oscillation parameters using $$19.7(16.3)\times 10^{20}$$ 19.7 ( 16.3 ) × 10 20 protons on target (POT) in (anti-)neutrino mode at the far detector (FD). Compared to the previous analysis, an additional $$4.7\times 10^{20}$$ 4.7 × 10 20 POT neutrino data was collected at the FD. Significant improvements were made to the analysis methodology, with the near-detector analysis introducing new selections and using more than double the data. Additionally, this is the first T2K oscillation analysis to use NA61/SHINE data on a replica of the T2K target to tune the neutrino flux model, and the neutrino interaction model was improved to include new nuclear effects and calculations. Frequentist and Bayesian analyses are presented, including results on $$\sin ^2\theta _{13}$$ sin 2 θ 13 and the impact of priors on the $$\delta _{\textrm{CP}}$$ δ CP measurement. Both analyses prefer the normal mass ordering and upper octant of $$\sin ^2\theta _{23}$$ sin 2 θ 23 with a nearly maximally CP-violating phase. Assuming the normal ordering and using the constraint on $$\sin ^2\theta _{13}$$ sin 2 θ 13 from reactors, $$\sin ^2\theta _{23}=0.561^{+0.021}_{-0.032}$$ sin 2 θ 23 = 0 . 561 - 0.032 + 0.021 using Feldman–Cousins corrected intervals, and $$\varDelta {}m^2_{32}=2.494_{-0.058}^{+0.041}\times 10^{-3}~\text {eV}^2$$ Δ m 32 2 = 2 . 494 - 0.058 + 0.041 × 10 - 3 eV 2 using constant $$\varDelta \chi ^{2}$$ Δ χ 2 intervals. The CP-violating phase is constrained to $$\delta _{\textrm{CP}}=-1.97_{-0.70}^{+0.97}$$ δ CP = - 1 . 97 - 0.70 + 0.97 using Feldman–Cousins corrected intervals, and $$\delta _{\textrm{CP}}=0,\pi $$ δ CP = 0 , π is excluded at more than 90% confidence level. A Jarlskog invariant of zero is excluded at more than $$2\sigma $$ 2 σ credible level using a flat prior in $$\delta _{\textrm{CP}},$$ δ CP , and just below $$2\sigma $$ 2 σ using a flat prior in $$\sin \delta _{\textrm{CP}}.$$ sin δ CP . When the external constraint on $$\sin ^2\theta _{13}$$ sin 2 θ 13 is removed, $$\sin ^2\theta _{13}=28.0^{+2.8}_{-6.5}\times 10^{-3},$$ sin 2 θ 13 = 28 . 0 - 6.5 + 2.8 × 10 - 3 , in agreement with measurements from reactor experiments. These results are consistent with previous T2K analyses.
Published: 2023
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3. Low-energy calibration of XENON1T with an internal $$^{{\textbf {37}}}$$ 37 Ar source

Author: E. Aprile, K. Abe, F. Agostini, S. Ahmed Maouloud, M. Alfonsi, L. Althueser, B. Andrieu, E. Angelino, J. R. Angevaare, V. C. Antochi, D. Antón Martin, F. Arneodo, L. Baudis, A. L. Baxter, L. Bellagamba, R. Biondi, A. Bismark, A. Brown, S. Bruenner, G. Bruno, R. Budnik, T. K. Bui, C. Cai, C. Capelli, J. M. R. Cardoso, D. Cichon, A. P. Colijn, J. Conrad, J. J. Cuenca-García, J. P. Cussonneau, V. D’Andrea, M. P. Decowski, P. Di Gangi, S. Di Pede, S. Diglio, K. Eitel, A. Elykov, S. Farrell, A. D. Ferella, C. Ferrari, H. Fischer, W. Fulgione, P. Gaemers, R. Gaior, A. Gallo Rosso, M. Galloway, F. Gao, R. Glade-Beucke, L. Grandi, J. Grigat, M. Guida, R. Hammann, A. Higuera, C. Hils, L. Hoetzsch, J. Howlett, M. Iacovacci, Y. Itow, J. Jakob, F. Joerg, A. Joy, N. Kato, M. Kara, P. Kavrigin, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, F. Kuger, H. Landsman, R. F. Lang, L. Levinson, I. Li, S. Li, S. Liang, S. Lindemann, M. Lindner, K. Liu, J. Loizeau, F. Lombardi, J. Long, J. A. M. Lopes, Y. Ma, C. Macolino, J. Mahlstedt, A. Mancuso, L. Manenti, F. Marignetti, T. Marrodán Undagoitia, K. Martens, J. Masbou, D. Masson, E. Masson, S. Mastroianni, M. Messina, K. Miuchi, K. Mizukoshi, A. Molinario, S. Moriyama, K. Morå, Y. Mosbacher, M. Murra, J. Müller, K. Ni, U. Oberlack, B. Paetsch, J. Palacio, R. Peres, C. Peters, J. Pienaar, M. Pierre, V. Pizzella, G. Plante, J. Qi, J. Qin, D. Ramírez García, S. Reichard, A. Rocchetti, N. Rupp, L. Sanchez, P. Sanchez-Lucas, J. M. F. dos Santos, I. Sarnoff, G. Sartorelli, J. Schreiner, D. Schulte, P. Schulte, H. Schulze Eißing, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, S. Shi, E. Shockley, M. Silva, H. Simgen, A. Takeda, P.-L. Tan, A. Terliuk, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, F. Tönnies, K. Valerius, G. Volta, C. Weinheimer, M. Weiss, D. Wenz, C. Wittweg, T. Wolf, D. Xu, Z. Xu, M. Yamashita, L. Yang, J. Ye, L. Yuan, G. Zavattini, S. Zerbo, M. Zhong, T. Zhu, C. Geppert, J. Riemer, and XENON Collaboration
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract A low-energy electronic recoil calibration of XENON1T, a dual-phase xenon time projection chamber, with an internal $${}^{37}$$ 37 Ar source was performed. This calibration source features a 35-day half-life and provides two mono-energetic lines at 2.82 keV and 0.27 keV. The photon yield and electron yield at 2.82 keV are measured to be ( $$32.3\,\pm \,0.3$$ 32.3 ± 0.3 ) photons/keV and ( $$40.6\,\pm \,0.5$$ 40.6 ± 0.5 ) electrons/keV, respectively, in agreement with other measurements and with NEST predictions. The electron yield at 0.27 keV is also measured and it is ( $$68.0^{+6.3}_{-3.7}$$ 68 . 0 - 3.7 + 6.3 ) electrons/keV. The $${}^{37}$$ 37 Ar calibration confirms that the detector is well-understood in the energy region close to the detection threshold, with the 2.82 keV line reconstructed at ( $$2.83\,\pm \,0.02$$ 2.83 ± 0.02 ) keV, which further validates the model used to interpret the low-energy electronic recoil excess previously reported by XENON1T. The ability to efficiently remove argon with cryogenic distillation after the calibration proves that $${}^{37}$$ 37 Ar can be considered as a regular calibration source for multi-tonne xenon detectors.
Published: 2023
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4. An approximate likelihood for nuclear recoil searches with XENON1T data

Author: E. Aprile, K. Abe, F. Agostini, S. Ahmed Maouloud, M. Alfonsi, L. Althueser, B. Andrieu, E. Angelino, J. R. Angevaare, V. C. Antochi, D. Antón Martin, F. Arneodo, L. Baudis, A. L. Baxter, L. Bellagamba, R. Biondi, A. Bismark, A. Brown, S. Bruenner, G. Bruno, R. Budnik, C. Capelli, J. M. R. Cardoso, D. Cichon, B. Cimmino, M. Clark, A. P. Colijn, J. Conrad, J. J. Cuenca-García, J. P. Cussonneau, V. D’Andrea, M. P. Decowski, P. Di Gangi, S. Di Pede, A. Di Giovanni, R. Di Stefano, S. Diglio, A. Elykov, S. Farrell, A. D. Ferella, H. Fischer, W. Fulgione, P. Gaemers, R. Gaior, M. Galloway, F. Gao, R. Glade-Beucke, L. Grandi, J. Grigat, A. Higuera, C. Hils, L. Hoetzsch, J. Howlett, M. Iacovacci, Y. Itow, J. Jakob, F. Joerg, A. Joy, N. Kato, P. Kavrigin, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, H. Landsman, R. F. Lang, L. Levinson, I. Li, S. Li, S. Liang, S. Lindemann, M. Lindner, K. Liu, F. Lombardi, J. Long, J. A. M. Lopes, Y. Ma, C. Macolino, J. Mahlstedt, A. Mancuso, L. Manenti, A. Manfredini, F. Marignetti, T. Marrodán Undagoitia, K. Martens, J. Masbou, D. Masson, E. Masson, S. Mastroianni, M. Messina, K. Miuchi, K. Mizukoshi, A. Molinario, S. Moriyama, K. Morå, Y. Mosbacher, M. Murra, J. Müller, K. Ni, U. Oberlack, B. Paetsch, J. Palacio, R. Peres, J. Pienaar, M. Pierre, V. Pizzella, G. Plante, J. Qi, J. Qin, D. Ramírez García, S. Reichard, A. Rocchetti, N. Rupp, L. Sanchez, J. M. F. dos Santos, G. Sartorelli, J. Schreiner, D. Schulte, P. Schulte, H. Schulze Eißing, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, S. Shi, E. Shockley, M. Silva, H. Simgen, A. Takeda, P. L. Tan, A. Terliuk, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, F. Tönnies, K. Valerius, G. Volta, Y. Wei, C. Weinheimer, M. Weiss, D. Wenz, C. Wittweg, T. Wolf, Z. Xu, M. Yamashita, L. Yang, J. Ye, L. Yuan, G. Zavattini, Y. Zhang, M. Zhong, T. Zhu, and XENON Collaboration
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The XENON collaboration has published stringent limits on specific dark matter – nucleon recoil spectra from dark matter recoiling on the liquid xenon detector target. In this paper, we present an approximate likelihood for the XENON1T 1 t-year nuclear recoil search applicable to any nuclear recoil spectrum. Alongside this paper, we publish data and code to compute upper limits using the method we present. The approximate likelihood is constructed in bins of reconstructed energy, profiled along the signal expectation in each bin. This approach can be used to compute an approximate likelihood and therefore most statistical results for any nuclear recoil spectrum. Computing approximate results with this method is approximately three orders of magnitude faster than the likelihood used in the original publications of XENON1T, where limits were set for specific families of recoil spectra. Using this same method, we include toy Monte Carlo simulation-derived binwise likelihoods for the upcoming XENONnT experiment that can similarly be used to assess the sensitivity to arbitrary nuclear recoil signatures in its eventual 20 t-year exposure.
Published: 2022
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5. Combined Pre-supernova Alert System with KamLAND and Super-Kamiokande

Author: S. Abe, M. Eizuka, S. Futagi, A. Gando, Y. Gando, S. Goto, T. Hachiya, K. Hata, K. Ichimura, S. Ieki, H. Ikeda, K. Inoue, K. Ishidoshiro, Y. Kamei, N. Kawada, Y. Kishimoto, M. Koga, M. Kurasawa, T. Mitsui, H. Miyake, D. Morita, T. Nakahata, R. Nakajima, K. Nakamura, R. Nakamura, J. Nakane, H. Ozaki, K. Saito, T. Sakai, I. Shimizu, J. Shirai, K. Shiraishi, R. Shoji, A. Suzuki, A. Takeuchi, K. Tamae, H. Watanabe, K. Watanabe, S. Yoshida, S. Umehara, K. Fushimi, K. Kotera, Y. Urano, B. E. Berger, B. K. Fujikawa, J. G. Learned, J. Maricic, Z. Fu, J. Smolsky, L. A. Winslow, Y. Efremenko, H. J. Karwowski, D. M. Markoff, W. Tornow, S. Dell’Oro, T. O’Donnell, J. A. Detwiler, S. Enomoto, M. P. Decowski, K. M. Weerman, C. Grant, H. Song, A. Li, S. N. Axani, M. Garcia, The KamLAND Collaboration, K. Abe, C. Bronner, Y. Hayato, K. Hiraide, K. Hosokawa, K. Ieki, M. Ikeda, J. Kameda, Y. Kanemura, R. Kaneshima, Y. Kashiwagi, Y. Kataoka, S. Miki, S. Mine, M. Miura, S. Moriyama, M. Nakahata, Y. Nakano, S. Nakayama, Y. Noguchi, K. Sato, H. Sekiya, H. Shiba, K. Shimizu, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, H. Tanaka, T. Yano, S. Han, T. Kajita, K. Okumura, T. Tashiro, T. Tomiya, X. Wang, P. Fernandez, L. Labarga, N. Ospina, B. Zaldivar, B. W. Pointon, E. Kearns, J. L. Raaf, L. Wan, T. Wester, J. Bian, N. J. Griskevich, M. B. Smy, H. W. Sobel, V. Takhistov, A. Yankelevich, J. Hill, M. C. Jang, S. H. Lee, D. H. Moon, R. G. Park, B. Bodur, K. Scholberg, C. W. Walter, A. Beauchêne, O. Drapier, A. Giampaolo, Th. A. Mueller, A. D. Santos, P. Paganini, B. Quilain, R. Rogly, T. Nakamura, J. S. Jang, L. N. Machado, K. Choi, N. Iovine, S. Cao, L. H. V. Anthony, D. Martin, N. W. Prouse, M. Scott, Y. Uchida, V. Berardi, N. F. Calabria, M. G. Catanesi, E. Radicioni, A. Langella, G. De Rosa, G. Collazuol, M. Feltre, F. Iacob, M. Mattiazzi, L. Ludovici, M. Gonin, L. Périssé, G. Pronost, C. Fujisawa, S. Horiuchi, M. Kobayashi, Y. M. Liu, Y. Maekawa, Y. Nishimura, R. Okazaki, R. Akutsu, M. Friend, T. Hasegawa, T. Ishida, T. Kobayashi, M. Jakkapu, T. Matsubara, T. Nakadaira, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, A. Portocarrero Yrey, N. Bhuiyan, G. T. Burton, F. Di Lodovico, J. Gao, A. Goldsack, T. Katori, J. Migenda, R. M. Ramsden, Z. Xie, S. Zsoldos, A. T. Suzuki, Y. Takagi, Y. Takeuchi, H. Zhong, J. Feng, L. Feng, J. R. Hu, Z. Hu, M. Kawaue, T. Kikawa, M. Mori, T. Nakaya, R. A. Wendell, K. Yasutome, S. J. Jenkins, N. McCauley, P. Mehta, A. Tarrant, M. J. Wilking, Y. Fukuda, Y. Itow, H. Menjo, K. Ninomiya, Y. Yoshioka, J. Lagoda, M. Mandal, P. Mijakowski, Y. S. Prabhu, J. Zalipska, M. Jia, J. Jiang, W. Shi, C. Yanagisawa, M. Harada, Y. Hino, H. Ishino, Y. Koshio, F. Nakanishi, S. Sakai, T. Tada, T. Tano, T. Ishizuka, G. Barr, D. Barrow, L. Cook, S. Samani, D. Wark, A. Holin, F. Nova, S. Jung, B. S. Yang, J. Y. Yang, J. Yoo, J. E. P. Fannon, L. Kneale, M. Malek, J. M. McElwee, M. D. Thiesse, L. F. Thompson, S. T. Wilson, H. Okazawa, S. M. Lakshmi, S. B. Kim, E. Kwon, J. W. Seo, I. Yu, A. K. Ichikawa, K. D. Nakamura, S. Tairafune, K. Nishijima, A. Eguchi, K. Nakagiri, Y. Nakajima, S. Shima, N. Taniuchi, E. Watanabe, M. Yokoyama, P. de Perio, S. Fujita, C. Jesús-Valls, K. Martens, K. M. Tsui, M. R. Vagins, J. Xia, S. Izumiyama, M. Kuze, R. Matsumoto, K. Terada, R. Asaka, M. Ishitsuka, H. Ito, Y. Ommura, N. Shigeta, M. Shinoki, K. Yamauchi, T. Yoshida, R. Gaur, V. Gousy-Leblanc, M. Hartz, A. Konaka, X. Li, S. Chen, B. D. Xu, A. Q. Zhang, B. Zhang, M. Posiadala-Zezula, S. B. Boyd, R. Edwards, D. Hadley, M. Nicholson, M. O’Flaherty, B. Richards, A. Ali, B. Jamieson, S. Amanai, Ll. Marti, A. Minamino, R. Shibayama, S. Suzuki, and The Super-Kamiokande Collaboration
Subjects: Particle astrophysics, Neutrino astronomy, Core-collapse supernovae, Astrophysics, QB460-466
Abstract: Preceding a core-collapse supernova (CCSN), various processes produce an increasing amount of neutrinos of all flavors characterized by mounting energies from the interior of massive stars. Among them, the electron antineutrinos are potentially detectable by terrestrial neutrino experiments such as KamLAND and Super-Kamiokande (SK) via inverse beta decay interactions. Once these pre-supernova (pre-SN) neutrinos are observed, an early warning of the upcoming CCSN can be provided. In light of this, KamLAND and SK, both located in the Kamioka mine in Japan, have been monitoring pre-SN neutrinos since 2015 and 2021, respectively. Recently, we performed a joint study between KamLAND and SK on pre-SN neutrino detection. A pre-SN alert system combining the KamLAND detector and the SK detector was developed and put into operation, which can provide a supernova alert to the astrophysics community. Fully leveraging the complementary properties of these two detectors, the combined alert is expected to resolve a pre-SN neutrino signal from a 15 M _⊙ star within 510 pc of the Earth at a significance level corresponding to a false alarm rate of no more than 1 per century. For a Betelgeuse-like model with optimistic parameters, it can provide early warnings up to 12 hr in advance.
Published: 2024
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6. Recent progress of JT-60SA project toward plasma operation

Author: H. Shirai, K. Takahashi, E. Di Pietro, D. Abate, W. Abdel Maksoud, H. Abe, N. Aiba, T. Abe, M. Akimitsu, J. Ayllon-Guerola, T. Arai, J.-F. Artaud, N. Asakura, N. Ashikawa, L. Balbinot, P. Barabaschi, O. Baulaigue, E. Belonohy, A. Belpane, W. Bin, F. Bombarda, T. Bolzonella, F. Bonne, M. Bonotto, J. Botija, J. Buermans, S. Cabrera-Pérez, A. Cardella, D. Carralero, L. Carraro, J. Cavalier, M. Cavinato, M. Chernyshova, S. Chiba, S. Clement-Lorenzo, V. Cocilovo, S. Coda, R. Coelho, I. Coffey, B. Collin, V. Corato, A. Cucchiaro, T. Czarski, M. Dairaku, S. Davis, C. Day, E. Dela Luna, G. De Tommasi, P. Decool, L. Di Pace, M. Dibon, G. Disset, F. D’Lsa, A. Ejiri, Y. Endo, N. Ezumi, G. Falchetto, A. Fassina, P. Fejoz, A. Ferro, W. Fietz, L. Figini, T. Fornal, G. Frello, T. Fujita, T. Fukuda, K. Fukui, M. Fukumoto, H. Funaba, M. Furukawa, S. Futatani, L. Gabellieri, E. Gaio, K. Galazka, J. Garcia, J. Garcia-Dominguez, J. Garcia-Lopez, M. Garcia-Munoz, L. Garzotti, F. Gasparini, S. Gharafi, L. Giacomelli, G. Ginoulhiac, G. Giruzzi, L. Giudicotti, J. Gonzalez-Martin, R. Guillén-González, N. Hajnal, S. Hall, K. Hamada, K. Hanada, M. Hanada, K. Hasegawa, S. Hatakeyama, V. Hauer, N. Hayashi, T. Hayashi, R. Heller, J. Hidalgo-Salaverri, S. Higashijima, J. Hinata, S. Hiranai, J. Hiratsuka, R. Hiwatari, C. Hoa, H. Homma, A. Honda, M. Honda, K. Hoshino, H. Hurzlmeier, M. Iafrati, K. Ibano, H. Ichige, M. Ichikawa, M. Ichimura, K. Ida, S. Ide, H. Idei, M. Iguchi, T. Iijima, S. Iio, R. Ikeda, Y. Ikeda, T. Imai, R. Imazawa, S. Inagaki, M. Inomoto, S. Inoue, A. Isayama, S. Ishida, Y. Ishii, M. Isobe, F. Janky, E. Joffrin, A. Jokinen, S. Kado, S. Kajita, K. Kajiwara, Y. Kamada, I. Kamata, A. Kaminaga, K. Kamiya, D. Kanapienyte, Y. Kashiwa, M. Kashiwagi, K. Katayama, Y. Kawamata, G. Kawamura, K. Kawano, Y. Kazakov, K. Kimura, F. Kin, M. Kisaki, S. Kitajima, K. Kiyono, K. Kizu, Y. Ko, K. Kobayashi, M. Kobayashi, S. Kobayashi, Ta. Kobayashi, To. Kobayashi, G. Kocsis, A. Kojima, S. Kokusen, M. Komata, K. Komuro, S. Konishi, A. Kovacsik, I. Ksiazek, M. Kubkowska, G. Kühner, M. Kuramochi, K. Kurihara, T. Kurki-Suonio, A.B. Kurniawan, T. Kuwata, B. Lacroix, V. Lamaison, A. Lampasi, P. Lang, P. Lauber, K. Lawson, Q. LeCoz, A. Louzguiti, R. Maekawa, T. Maekawa, S. Maeyama, G. Maffia, P. Maget, J. Mailloux, I. Maione, A. Maistrello, K. Malinowski, A. Mancini, G. Marchiori, J.-L. Marechal, V. Massaut, S. Masuzaki, R. Matoike, G. Matsunaga, S. Matsunaga, A. Matsuyama, Ch Mayri, M. Mattei, M. Medrano, A. Mele, I. Meyer, F. Michel, T. Minami, Y. Miyata, J. Miyazawa, Y. Miyo, T. Mizuuchi, K. Mogaki, J. Morales, P. Moreau, T. Morisaki, S. Morishima, S. Moriyama, A. Moro, H. Murakami, M. Murayama, S. Murakami, K. Nagasaki, O. Naito, N. Nakamura, S. Nakamura, T. Nakano, Y. Nakashima, V. Nardino, E. Narita, Y. Narushima, K. Natsume, S. Nemoto, R. Neu, S. Nicollet, M. Nishikawa, S. Nishimura, T. Nishitani, M. Nishiura, T. Nishiyama, M. Nocente, Y. Nobuta, L. Novello, F. Nunio, S. Ochoa, K. Ogawa, T. Ogawa, Y. Ogawa, S. Ohdachi, Y. Ohmori, N. Ohno, Y. Ohtani, K. Ohtsu, M. Ohzeki, T. Oishi, J. Okano, K. Okano, Y. Onishi, M. Osakabe, T. Oshima, V. Ostuni, A. Owada, M. Oya, Y. Oya, T. Ozeki, M.M. Parody Guzmán, R. Pasqualotto, S. Pelli, E. Perelli, E. Peretti, G. Phillips, C. Piccinni, L. Pigatto, A. Pironti, A. Pizzuto, B. Plöckl, G. Polli, J.-M. Poncet, P. Ponsot, G. Pucella, M. Puiatti, D. Radloff, V. Raimondi, F. Ramos, P. Rancsik, D. Ricci, S. Ricciarini, N. Richermoz, E. Rincon, A. Romano, P. Rossi, P. Roussel, G. Rubino, H. Saeki, A. Sagara, S. Sakakibara, H. Sakamoto, Miki Sakamoto, Mizu Sakamoto, Y. Sakamoto, A. Sakasai, S. Sakata, R. Sakurai, B. Salanon, A. Salmi, G. Sannazzaro, R. Sano, A. Sanpei, T. Sasajima, S. Sasaki, H. Sasao, F. Sato, M. Sato, T. Sato, M. Sawahata, A. Scherber, S. Scully, J. Segado-Fernandez, M. Seki, N. Seki, S. Seki, Y. Shibama, Y. Shibata, T. Shikama, K. Shimada, M. Shimono, J. Shinde, T. Shinya, K. Shinohara, J. Shiraishi, S. Soare, A. Soleto, Y. Someya, S. Sonoda, C. Sozzi, E. Streciwilk-Kowalska, H. Strobel, M. Sueoka, A. Sukegawa, S. Sumida, H. Suzuki, Ma Suzuki, Mi Suzuki, S. Suzuki, T. Suzuki, Y. Suzuki, J. Svoboda, T. Szabolics, T. Szepesi, Y. Takase, M. Takechi, K. Takeda, Y. Takeiri, H. Takenaga, C. Taliercio, N. Tamura, Hiro Tanaka, Hito Tanaka, K. Tanaka, Y. Tanaka, K. Tani, H. Tanigawa, M. Tardocchi, A. Terakado, M. Terakado, T. Terakado, B. Teuchner, B. Tilia, H. Tobari, H. Tobita, K. Tobita, K. Toi, N. Toida, H. Tojo, M. Tokitani, T. Tokuzawa, V. Tormarchio, M. Tomine, A. Torre, T. Totsuka, K. Tsuchiya, N. Tsujii, D. Tsuru, H. Tsutsui, M. Uchida, Y. Ueda, J. Uno, H. Urano, K. Usui, H. Utoh, M. Valisa, M. Vallar, R. Vallcorba-Carbonel, J.-C. Vallet, J. Varela, J. Vega, M. Verrecchia, L. Vieillard, F. Villone, P. Vincenzi, K. Wada, R. Wada, T. Wakatsuki, M. Wanner, F. Watanabe, K. Watanabe, S. Watanabe, T. Wauters, S. Wiesen, M. Wischmeier, M. Yagi, J. Yagyu, M. Yajima, S. Yamamoto, H. Yamanaka, K. Yamauchi, Y. Yamauchi, H. Yamazaki, K. Yamazaki, R. Yamazaki, S. Yamoto, S. Yanagi, K. Yanagihara, S. Yokooka, M. Yokoyama, T. Yokoyama, M. Yoshida, M. Yoshimura, N. Yoshizawa, K. Yuinawa, L. Zani, and P. Zito
Subjects: JT-60SA, superconducting tokamak, risk mitigation measures, integrated commissioning, maintenance and enhancement, international collaboration, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Superconducting (SC) tokamak JT-60SA plays an essential role in fusion research and development by supporting and complementing the ITER project, providing directions to the DEMO design activity and fostering next generation scientists and engineers. Since the short circuit incident at the terminal joints of equilibrium field coil #1 during the integrated commissioning (IC) in March 2021, both EU and JA implementing agencies (IAs) have examined how to ensure safe operation of JT-60SA by mitigating the risk of possible discharge occurrence inside the cryostat. Based on the experience of the global Paschen tests, the IAs have established a strategy of risk mitigation measures, which is a combination of (i) reinforcement of insulation, (ii) avoiding unnecessary voltage application to the coil systems and (iii) immediate de-energization of the coils when deteriorated vacuum conditions are detected. Thanks to the considerable efforts of the Integrated Project Team members, the IC restarted in May 2023. After confirmation of the SC state of the coil systems (TF, EF and CS), the coil energization test and the plasma operation phase 1 (OP-1) started. The first plasma was successfully achieved on 23 October 2023 with a limited value of voltage and current applied to the coils. The plasma configuration control was also confirmed with low plasma current and low auxiliary heating power conditions. Based on the IO–F4E–QST collaboration, activities of JT-60SA have been shared with the IO and provided an important lesson for ITER assembly and commissioning, and will provide an outstanding contribution to fusion research at large. After OP-1, maintenance & enhancement phase 1 (M/E-1) starts from January 2024, in which in-vessel components are installed, and heating and diagnostic systems are extensively upgraded to allow a high power heating experiment planned in OP-2. In order to make the best use of JT-60SA, a newly organized JT-60SA experiment team will refine the research plan for the future high heating power operation phase.
Published: 2024
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7. Performance of SK-Gd’s Upgraded Real-time Supernova Monitoring System

Author: Y. Kashiwagi, K. Abe, C. Bronner, Y. Hayato, K. Hiraide, K. Hosokawa, K. Ieki, M. Ikeda, J. Kameda, Y. Kanemura, R. Kaneshima, Y. Kataoka, S. Miki, S. Mine, M. Miura, S. Moriyama, Y. Nakano, M. Nakahata, S. Nakayama, Y. Noguchi, K. Sato, H. Sekiya, H. Shiba, K. Shimizu, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, H. Tanaka, T. Yano, S. Han, T. Kajita, K. Okumura, T. Tashiro, T. Tomiya, X. Wang, S. Yoshida, P. Fernandez, L. Labarga, N. Ospina, B. Zaldivar, B. W. Pointon, E. Kearns, J. L. Raaf, L. Wan, T. Wester, J. Bian, N. J. Griskevich, S. Locke, M. B. Smy, H. W. Sobel, V. Takhistov, A. Yankelevich, J. Hill, M. C. Jang, S. H. Lee, D. H. Moon, R. G. Park, B. Bodur, K. Scholberg, C. W. Walter, A. Beauchêne, O. Drapier, A. Giampaolo, Th. A. Mueller, A. D. Santos, P. Paganini, B. Quilain, R. Rogly, T. Nakamura, J. S. Jang, L. N. Machado, J. G. Learned, K. Choi, N. Iovine, S. Cao, L. H. V. Anthony, D. Martin, N. W. Prouse, M. Scott, A. A. Sztuc, Y. Uchida, V. Berardi, M. G. Catanesi, E. Radicioni, N. F. Calabria, A. Langella, G. De Rosa, G. Collazuol, F. Iacob, M. Mattiazzi, L. Ludovici, M. Gonin, L. Périssé, G. Pronost, C. Fujisawa, Y. Maekawa, Y. Nishimura, R. Okazaki, R. Akutsu, M. Friend, T. Hasegawa, T. Ishida, T. Kobayashi, M. Jakkapu, T. Matsubara, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, N. Bhuiyan, G. T. Burton, F. Di Lodovico, J. Gao, A. Goldsack, T. Katori, J. Migenda, R. M. Ramsden, Z. Xie, S. Zsoldos, A. T. Suzuki, Y. Takagi, Y. Takeuchi, H. Zhong, J. Feng, L. Feng, J. R. Hu, Z. Hu, M. Kawaue, T. Kikawa, M. Mori, T. Nakaya, R. A. Wendell, K. Yasutome, S. J. Jenkins, N. McCauley, P. Mehta, A. Tarrant, Y. Fukuda, Y. Itow, H. Menjo, K. Ninomiya, Y. Yoshioka, J. Lagoda, S. M. Lakshmi, M. Mandal, P. Mijakowski, Y. S. Prabhu, J. Zalipska, M. Jia, J. Jiang, C. K. Jung, W. Shi, M. J. Wilking, C. Yanagisawa, M. Harada, Y. Hino, H. Ishino, Y. Koshio, F. Nakanishi, S. Sakai, T. Tada, T. Tano, T. Ishizuka, G. Barr, D. Barrow, L. Cook, S. Samani, D. Wark, A. Holin, F. Nova, S. Jung, B. S. Yang, J. Y. Yang, J. Yoo, J. E. P. Fannon, L. Kneale, M. Malek, J. M. McElwee, M. D. Thiesse, L. F. Thompson, S. T. Wilson, H. Okazawa, S. B. Kim, E. Kwon, J. W. Seo, I. Yu, A. K. Ichikawa, K. D. Nakamura, S. Tairafune, K. Nishijima, A. Eguchi, K. Nakagiri, Y. Nakajima, S. Shima, N. Taniuchi, E. Watanabe, M. Yokoyama, P. de Perio, S. Fujita, C. Jesús-Valls, K. Martens, K. M. Tsui, M. R. Vagins, J. Xia, M. Kuze, S. Izumiyama, R. Matsumoto, M. Ishitsuka, H. Ito, Y. Ommura, N. Shigeta, M. Shinoki, K. Yamauchi, T. Yoshida, R. Gaur, V. Gousy-Leblanc, M. Hartz, A. Konaka, X. Li, S. Chen, B. D. Xu, B. Zhang, M. Posiadala-Zezula, S. B. Boyd, R. Edwards, D. Hadley, M. Nicholson, M. O’Flaherty, B. Richards, A. Ali, B. Jamieson, S. Amanai, Ll. Marti, A. Minamino, S. Suzuki, and The Super-Kamiokande Collaboration
Subjects: Core-collapse supernovae, Supernova neutrinos, Particle astrophysics, Astrophysics, QB460-466
Abstract: Among multimessenger observations of the next Galactic core-collapse supernova, Super-Kamiokande (SK) plays a critical role in detecting the emitted supernova neutrinos, determining the direction to the supernova (SN), and notifying the astronomical community of these observations in advance of the optical signal. In 2022, SK has increased the gadolinium dissolved in its water target (SK-Gd) and has achieved a Gd concentration of 0.033%, resulting in enhanced neutron detection capability, which in turn enables more accurate determination of the supernova direction. Accordingly, SK-Gd’s real-time supernova monitoring system has been upgraded. SK_SN Notice, a warning system that works together with this monitoring system, was released on 2021 December 13, and is available through GCN Notices. When the monitoring system detects an SN-like burst of events, SK_SN Notice will automatically distribute an alarm with the reconstructed direction to the supernova candidate within a few minutes. In this paper, we present a systematic study of SK-Gd’s response to a simulated Galactic SN. Assuming a supernova situated at 10 kpc, neutrino fluxes from six supernova models are used to characterize SK-Gd’s pointing accuracy using the same tools as the online monitoring system. The pointing accuracy is found to vary from 3° to 7° depending on the models. However, if the supernova is closer than 10 kpc, SK_SN Notice can issue an alarm with three-degree accuracy, which will benefit follow-up observations by optical telescopes with large fields of view.
Published: 2024
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8. Material radiopurity control in the XENONnT experiment

Author: E. Aprile, K. Abe, F. Agostini, S. Ahmed Maouloud, M. Alfonsi, L. Althueser, E. Angelino, J. R. Angevaare, V. C. Antochi, D. Antón Martin, F. Arneodo, L. Baudis, A. L. Baxter, L. Bellagamba, R. Biondi, A. Bismark, A. Brown, S. Bruenner, G. Bruno, R. Budnik, C. Capelli, J. M. R. Cardoso, D. Cichon, B. Cimmino, M. Clark, A. P. Colijn, J. Conrad, J. J. Cuenca-García, J. P. Cussonneau, V. D’Andrea, M. P. Decowski, P. Di Gangi, S. Di Pede, A. Di Giovanni, R. Di Stefano, S. Diglio, A. Elykov, S. Farrell, A. D. Ferella, H. Fischer, W. Fulgione, P. Gaemers, R. Gaior, M. Galloway, F. Gao, R. Glade-Beucke, L. Grandi, J. Grigat, A. Higuera, C. Hils, K. Hiraide, L. Hoetzsch, J. Howlett, M. Iacovacci, Y. Itow, J. Jakob, F. Joerg, N. Kato, P. Kavrigin, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, H. Landsman, R. F. Lang, L. Levinson, I. Li, S. Liang, S. Lindemann, M. Lindner, K. Liu, F. Lombardi, J. Long, J. A. M. Lopes, Y. Ma, C. Macolino, J. Mahlstedt, A. Mancuso, L. Manenti, A. Manfredini, F. Marignetti, T. Marrodán Undagoitia, K. Martens, J. Masbou, D. Masson, E. Masson, S. Mastroianni, M. Messina, K. Miuchi, K. Mizukoshi, A. Molinario, S. Moriyama, K. Morå, Y. Mosbacher, M. Murra, K. Ni, U. Oberlack, J. Palacio, R. Peres, J. Pienaar, M. Pierre, V. Pizzella, G. Plante, J. Qi, J. Qin, D. Ramírez García, S. Reichard, A. Rocchetti, N. Rupp, L. Sanchez, J. M. F. dos Santos, G. Sartorelli, J. Schreiner, D. Schulte, H. Schulze Eißing, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, E. Shockley, M. Silva, H. Simgen, A. Takeda, P. L. Tan, A. Terliuk, C. Therreau, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, F. Tönnies, K. Valerius, G. Volta, Y. Wei, C. Weinheimer, M. Weiss, D. Wenz, J. Westermann, C. Wittweg, T. Wolf, Z. Xu, M. Yamashita, L. Yang, J. Ye, L. Yuan, G. Zavattini, Y. Zhang, M. Zhong, T. Zhu, J. P. Zopounidis, XENON Collaboration, M. Laubenstein, and S. Nisi
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The selection of low-radioactive construction materials is of the utmost importance for rare-event searches and thus critical to the XENONnT experiment. Results of an extensive radioassay program are reported, in which material samples have been screened with gamma-ray spectroscopy, mass spectrometry, and $$^{222}$$ 222 Rn emanation measurements. Furthermore, the cleanliness procedures applied to remove or mitigate surface contamination of detector materials are described. Screening results, used as inputs for a XENONnT Monte Carlo simulation, predict a reduction of materials background ( $$\sim $$ ∼ 17%) with respect to its predecessor XENON1T. Through radon emanation measurements, the expected $$^{222}$$ 222 Rn activity concentration in XENONnT is determined to be 4.2 ( $$^{+0.5}_{-0.7}$$ - 0.7 + 0.5 ) $$\upmu $$ μ Bq/kg, a factor three lower with respect to XENON1T. This radon concentration will be further suppressed by means of the novel radon distillation system.
Published: 2022
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9. Search for Astrophysical Electron Antineutrinos in Super-Kamiokande with 0.01% Gadolinium-loaded Water

Author: M. Harada, K. Abe, C. Bronner, Y. Hayato, K. Hiraide, K. Hosokawa, K. Ieki, M. Ikeda, J. Kameda, Y. Kanemura, R. Kaneshima, Y. Kashiwagi, Y. Kataoka, S. Miki, S. Mine, M. Miura, S. Moriyama, Y. Nakano, M. Nakahata, S. Nakayama, Y. Noguchi, K. Okamoto, K. Sato, H. Sekiya, H. Shiba, K. Shimizu, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, A. Takenaka, H. Tanaka, S. Watanabe, T. Yano, S. Han, T. Kajita, K. Okumura, T. Tashiro, T. Tomiya, X. Wang, S. Yoshida, G. D. Megias, P. Fernandez, L. Labarga, N. Ospina, B. Zaldivar, B. W. Pointon, E. Kearns, J. L. Raaf, L. Wan, T. Wester, J. Bian, N. J. Griskevich, S. Locke, M. B. Smy, H. W. Sobel, V. Takhistov, A. Yankelevich, J. Hill, S. H. Lee, D. H. Moon, R. G. Park, B. Bodur, K. Scholberg, C. W. Walter, A. Beauchêne, O. Drapier, A. Giampaolo, Th. A. Mueller, A. D. Santos, P. Paganini, B. Quilain, T. Ishizuka, T. Nakamura, J. S. Jang, J. G. Learned, K. Choi, N. Iovine, S. Cao, L. H. V. Anthony, D. Martin, M. Scott, A. A. Sztuc, Y. Uchida, V. Berardi, M. G. Catanesi, E. Radicioni, N. F. Calabria, A. Langella, L. N. Machado, G. De Rosa, G. Collazuol, F. Iacob, M. Lamoureux, M. Mattiazzi, L. Ludovici, M. Gonin, G. Pronost, C. Fujisawa, Y. Maekawa, Y. Nishimura, R. Okazaki, R. Akutsu, M. Friend, T. Hasegawa, T. Ishida, T. Kobayashi, M. Jakkapu, T. Matsubara, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, N. Bhuiyan, G. T. Burton, F. Di Lodovico, J. Gao, A. Goldsack, T. Katori, J. Migenda, Z. Xie, S. Zsoldos, Y. Kotsar, H. Ozaki, A. T. Suzuki, Y. Takagi, Y. Takeuchi, J. Feng, L. Feng, J. R. Hu, Z. Hu, T. Kikawa, M. Mori, T. Nakaya, R. A. Wendell, K. Yasutome, S. J. Jenkins, N. McCauley, P. Mehta, A. Tarrant, Y. Fukuda, Y. Itow, H. Menjo, K. Ninomiya, J. Lagoda, S. M. Lakshmi, M. Mandal, P. Mijakowski, Y. S. Prabhu, J. Zalipska, M. Jia, J. Jiang, C. K. Jung, M. J. Wilking, C. Yanagisawa, Y. Hino, H. Ishino, H. Kitagawa, Y. Koshio, F. Nakanishi, S. Sakai, T. Tada, T. Tano, G. Barr, D. Barrow, L. Cook, S. Samani, D. Wark, A. Holin, F. Nova, B. S. Yang, J. Y. Yang, J. Yoo, J. E. P. Fannon, L. Kneale, M. Malek, J. M. McElwee, M. D. Thiesse, L. F. Thompson, S. T. Wilson, H. Okazawa, S. B. Kim, E. Kwon, J. W. Seo, I. Yu, A. K. Ichikawa, K. D. Nakamura, S. Tairafune, K. Nishijima, K. Nakagiri, Y. Nakajima, S. Shima, N. Taniuchi, E. Watanabe, M. Yokoyama, P. de Perio, K. Martens, K. M. Tsui, M. R. Vagins, J. Xia, M. Kuze, S. Izumiyama, R. Matsumoto, M. Ishitsuka, H. Ito, T. Kinoshita, Y. Ommura, N. Shigeta, M. Shinoki, T. Suganuma, K. Yamauchi, J. F. Martin, H. A. Tanaka, T. Towstego, R. Gaur, V. Gousy-Leblanc, M. Hartz, A. Konaka, X. Li, N. W. Prouse, S. Chen, B. D. Xu, B. Zhang, M. Posiadala-Zezula, S. B. Boyd, R. Edwards, D. Hadley, M. Nicholson, M. O’Flaherty, B. Richards, A. Ali, B. Jamieson, Ll. Marti, A. Minamino, G. Pintaudi, S. Sano, S. Suzuki, K. Wada, and The Super-Kamiokande Collaboration
Subjects: Supernova neutrinos, Neutrino astronomy, Astrophysics, QB460-466
Abstract: We report the first search result for the flux of astrophysical electron antineutrinos for energies ${ \mathcal O }(10)\,\mathrm{MeV}$ in the gadolinium-loaded Super-Kamiokande (SK) detector. In 2020 June, gadolinium was introduced to the ultrapure water of the SK detector in order to detect neutrons more efficiently. In this new experimental phase, SK-Gd, we can search for electron antineutrinos via inverse beta decay with efficient background rejection thanks to the high efficiency of the neutron tagging technique. In this paper, we report the result for the initial stage of SK-Gd, during 2020 August 26, and 2022 June 1 with a 22.5 × 552 kton · day exposure at 0.01% Gd mass concentration. No significant excess over the expected background in the observed events is found for the neutrino energies below 31.3 MeV. Thus, the flux upper limits are placed at the 90% confidence level. The limits and sensitivities are already comparable with the previous SK result with pure water (22.5 × 2970 kton · day) owing to the enhanced neutron tagging. Operation with Gd increased to 0.03% started in 2022 June.
Published: 2023
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10. Search for neutrinoless quadruple beta decay of 136Xe in XMASS-I

Author: K. Abe, K. Hiraide, K. Ichimura, N. Kato, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y.H. Kim, R. Ishii, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, A. Mason, Y. Suzuki, K. Miuchi, Y. Takeuchi, K.B. Lee, M.K. Lee, Y. Fukuda, H. Ogawa, K. Nishijima, K. Fushimi, B.D. Xu, and S. Nakamura
Subjects: Neutrinoless-quadruple beta decay, Neutrino, Low background, Liquid xenon, Physics, QC1-999
Abstract: A search for the neutrinoless quadruple beta decay of 136Xe was conducted with the liquid-xenon detector XMASS-I using 327 kg ×800.0 days of the exposure. The pulse shape discrimination based on the scintillation decay time constant which distinguishes γ-rays including the signal and β-rays was used to enhance the search sensitivity. No significant signal excess was observed from the energy spectrum fitting with precise background evaluation, and we set a lower limit of the half life of 3.7 × 1024 years at 90% confidence level. This is the first experimental constraint of the neutrinoless quadruple beta decay of 136Xe.
Published: 2022
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11. $$^{222}$$ 222 Rn emanation measurements for the XENON1T experiment

Author: XENON Collaboration, E. Aprile, J. Aalbers, F. Agostini, M. Alfonsi, L. Althueser, F. D. Amaro, V. C. Antochi, E. Angelino, J. R. Angevaare, F. Arneodo, D. Barge, L. Baudis, B. Bauermeister, L. Bellagamba, M. L. Benabderrahmane, T. Berger, P. A. Breur, A. Brown, E. Brown, S. Bruenner, G. Bruno, R. Budnik, C. Capelli, J. M. R. Cardoso, D. Cichon, B. Cimmino, M. Clark, D. Coderre, A. P. Colijn, J. Conrad, J. P. Cussonneau, M. P. Decowski, A. Depoian, P. Di Gangi, A. Di Giovanni, R. Di Stefano, S. Diglio, A. Elykov, G. Eurin, A. D. Ferella, W. Fulgione, P. Gaemers, R. Gaior, A. Gallo Rosso, M. Galloway, F. Gao, L. Grandi, M. Garbini, C. Hasterok, C. Hils, K. Hiraide, L. Hoetzsch, E. Hogenbirk, J. Howlett, M. Iacovacci, Y. Itow, F. Joerg, N. Kato, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, H. Landsman, R. F. Lang, L. Levinson, Q. Lin, S. Lindemann, M. Lindner, F. Lombardi, J. A. M. Lopes, E. López Fune, C. Macolino, J. Mahlstedt, L. Manenti, A. Manfredini, F. Marignetti, T. Marrodán Undagoitia, K. Martens, J. Masbou, D. Masson, S. Mastroianni, M. Messina, K. Miuchi, A. Molinario, K. Morå, S. Moriyama, Y. Mosbacher, M. Murra, J. Naganoma, K. Ni, U. Oberlack, K. Odgers, J. Palacio, B. Pelssers, R. Peres, J. Pienaar, V. Pizzella, G. Plante, J. Qin, H. Qiu, D. Ramírez García, S. Reichard, A. Rocchetti, N. Rupp, J. M. F. dos Santos, G. Sartorelli, N. Šarčević, M. Scheibelhut, S. Schindler, J. Schreiner, D. Schulte, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, E. Shockley, M. Silva, H. Simgen, A. Takeda, C. Therreau, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, M. Vargas, G. Volta, O. Wack, H. Wang, Y. Wei, C. Weinheimer, M. Weiss, D. Wenz, J. Westermann, C. Wittweg, J. Wulf, Z. Xu, M. Yamashita, J. Ye, G. Zavattini, Y. Zhang, T. Zhu, and J. P. Zopounidis
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The selection of low-radioactive construction materials is of utmost importance for the success of low-energy rare event search experiments. Besides radioactive contaminants in the bulk, the emanation of radioactive radon atoms from material surfaces attains increasing relevance in the effort to further reduce the background of such experiments. In this work, we present the $$^{222}$$ 222 Rn emanation measurements performed for the XENON1T dark matter experiment. Together with the bulk impurity screening campaign, the results enabled us to select the radio-purest construction materials, targeting a $$^{222}$$ 222 Rn activity concentration of $$10\,\mathrm{\,}\upmu \mathrm{Bq}/\mathrm{kg}$$ 10 μ Bq / kg in $$3.2\,\mathrm{t}$$ 3.2 t of xenon. The knowledge of the distribution of the $$^{222}$$ 222 Rn sources allowed us to selectively eliminate problematic components in the course of the experiment. The predictions from the emanation measurements were compared to data of the $$^{222}$$ 222 Rn activity concentration in XENON1T. The final $$^{222}$$ 222 Rn activity concentration of $$(4.5\pm 0.1)\,\mathrm{\,}\upmu \mathrm{Bq}/\mathrm{kg}$$ ( 4.5 ± 0.1 ) μ Bq / kg in the target of XENON1T is the lowest ever achieved in a xenon dark matter experiment.
Published: 2021
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12. Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280

Author: The T2K collaboration, K. Abe, N. Akhlaq, R. Akutsu, A. Ali, C. Alt, C. Andreopoulos, L. Anthony, M. Antonova, S. Aoki, A. Ariga, T. Arihara, Y. Asada, Y. Ashida, E. T. Atkin, Y. Awataguchi, S. Ban, M. Barbi, G. J. Barker, G. Barr, D. Barrow, C. Barry, M. Batkiewicz-Kwasniak, A. Beloshapkin, F. Bench, V. Berardi, L. Berns, S. Bhadra, S. Bienstock, A. Blondel, S. Bolognesi, T. Bonus, B. Bourguille, S. B. Boyd, D. Brailsford, A. Bravar, D. Bravo Berguño, C. Bronner, S. Bron, A. Bubak, M. Buizza Avanzini, J. Calcutt, T. Campbell, S. Cao, S. L. Cartwright, M. G. Catanesi, A. Cervera, A. Chappell, C. Checchia, D. Cherdack, N. Chikuma, G. Christodoulou, M. Cicerchia, J. Coleman, G. Collazuol, L. Cook, D. Coplowe, A. Cudd, A. Dabrowska, G. De Rosa, T. Dealtry, P. F. Denner, S. R. Dennis, C. Densham, F. Di Lodovico, N. Dokania, S. Dolan, T. A. Doyle, O. Drapier, J. Dumarchez, P. Dunne, A. Eguchi, L. Eklund, S. Emery-Schrenk, A. Ereditato, P. Fernandez, T. Feusels, A. J. Finch, G. A. Fiorentini, G. Fiorillo, C. Francois, M. Friend, Y. Fujii, R. Fujita, D. Fukuda, R. Fukuda, Y. Fukuda, K. Fusshoeller, C. Giganti, T. Golan, M. Gonin, A. Gorin, M. Guigue, D. R. Hadley, J. T. Haigh, P. Hamacher-Baumann, M. Hartz, T. Hasegawa, S. Hassani, N. C. Hastings, T. Hayashino, Y. Hayato, A. Hiramoto, M. Hogan, J. Holeczek, N. T. Hong Van, T. Honjo, F. Iacob, A. K. Ichikawa, M. Ikeda, T. Ishida, T. Ishii, M. Ishitsuka, K. Iwamoto, A. Izmaylov, N. Izumi, M. Jakkapu, B. Jamieson, S. J. Jenkins, C. Jesús-Valls, M. Jiang, S. Johnson, P. Jonsson, C. K. Jung, X. Junjie, P. B. Jurj, M. Kabirnezhad, A. C. Kaboth, T. Kajita, H. Kakuno, J. Kameda, D. Karlen, S. P. Kasetti, Y. Kataoka, Y. Katayama, T. Katori, Y. Kato, E. Kearns, M. Khabibullin, A. Khotjantsev, T. Kikawa, H. Kikutani, H. Kim, S. King, J. Kisiel, A. Knight, A. Knox, T. Kobata, T. Kobayashi, L. Koch, T. Koga, A. Konaka, L. L. Kormos, Y. Koshio, A. Kostin, K. Kowalik, H. Kubo, Y. Kudenko, N. Kukita, S. Kuribayashi, R. Kurjata, T. Kutter, M. Kuze, L. Labarga, J. Lagoda, M. Lamoureux, D. Last, M. Laveder, M. Lawe, M. Licciardi, T. Lindner, R. P. Litchfield, S. L. Liu, X. Li, A. Longhin, L. Ludovici, X. Lu, T. Lux, L. N. Machado, L. Magaletti, K. Mahn, M. Malek, S. Manly, L. Maret, A. D. Marino, L. Marti-Magro, J. F. Martin, T. Maruyama, T. Matsubara, K. Matsushita, V. Matveev, C. Mauger, K. Mavrokoridis, E. Mazzucato, M. McCarthy, N. McCauley, J. McElwee, K. S. McFarland, C. McGrew, A. Mefodiev, C. Metelko, M. Mezzetto, A. Minamino, O. Mineev, S. Mine, M. Miura, L. Molina Bueno, S. Moriyama, J. Morrison, Th. A. Mueller, L. Munteanu, S. Murphy, Y. Nagai, T. Nakadaira, M. Nakahata, Y. Nakajima, A. Nakamura, K. G. Nakamura, K. Nakamura, Y. Nakano, S. Nakayama, T. Nakaya, K. Nakayoshi, C. Nantais, C. E. R. Naseby, T. V. Ngoc, K. Niewczas, K. Nishikawa, Y. Nishimura, E. Noah, T. S. Nonnenmacher, F. Nova, P. Novella, J. Nowak, J. C. Nugent, H. M. O’Keeffe, L. O’Sullivan, T. Odagawa, T. Ogawa, R. Okada, K. Okumura, T. Okusawa, S. M. Oser, R. A. Owen, Y. Oyama, V. Palladino, J. L. Palomino, V. Paolone, M. Pari, W. C. Parker, S. Parsa, J. Pasternak, P. Paudyal, M. Pavin, D. Payne, G. C. Penn, L. Pickering, C. Pidcott, G. Pintaudi, E. S. Pinzon Guerra, C. Pistillo, B. Popov, K. Porwit, M. Posiadala-Zezula, A. Pritchard, B. Quilain, T. Radermacher, E. Radicioni, B. Radics, P. N. Ratoff, E. Reinherz-Aronis, C. Riccio, E. Rondio, S. Roth, A. Rubbia, A. C. Ruggeri, C. A. Ruggles, A. Rychter, K. Sakashita, F. Sánchez, G. Santucci, C. M. Schloesser, K. Scholberg, J. Schwehr, M. Scott, Y. Seiya, T. Sekiguchi, H. Sekiya, D. Sgalaberna, R. Shah, A. Shaikhiev, F. Shaker, A. Shaykina, M. Shiozawa, W. Shorrock, A. Shvartsman, A. Smirnov, M. Smy, J. T. Sobczyk, H. Sobel, F. J. P. Soler, Y. Sonoda, J. Steinmann, S. Suvorov, A. Suzuki, S. Y. Suzuki, Y. Suzuki, A. A. Sztuc, M. Tada, M. Tajima, A. Takeda, Y. Takeuchi, H. K. Tanaka, H. A. Tanaka, S. Tanaka, Y. Tanihara, M. Tani, N. Teshima, L. F. Thompson, W. Toki, C. Touramanis, T. Towstego, K. M. Tsui, T. Tsukamoto, M. Tzanov, Y. Uchida, M. Vagins, S. Valder, Z. Vallari, D. Vargas, G. Vasseur, C. Vilela, W. G. S. Vinning, T. Vladisavljevic, V. V. Volkov, T. Wachala, J. Walker, J. G. Walsh, Y. Wang, D. Wark, M. O. Wascko, A. Weber, R. Wendell, M. J. Wilking, C. Wilkinson, J. R. Wilson, R. J. Wilson, K. Wood, C. Wret, Y. Yamada, K. Yamamoto, C. Yanagisawa, G. Yang, T. Yano, K. Yasutome, S. Yen, N. Yershov, M. Yokoyama, T. Yoshida, M. Yu, A. Zalewska, J. Zalipska, K. Zaremba, G. Zarnecki, M. Ziembicki, E. D. Zimmerman, M. Zito, S. Zsoldos, and A. Zykova
Subjects: Other experiments, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The electron (anti-)neutrino component of the T2K neutrino beam constitutes the largest background in the measurement of electron (anti-)neutrino appearance at the far detector. The electron neutrino scattering is measured directly with the T2K off-axis near detector, ND280. The selection of the electron (anti-)neutrino events in the plastic scintillator target from both neutrino and anti-neutrino mode beams is discussed in this paper. The flux integrated single differential charged-current inclusive electron (anti-)neutrino cross-sections, dσ/dp and dσ/d cos(θ), and the total cross-sections in a limited phase-space in momentum and scattering angle (p > 300 MeV/c and θ ≤ 45°) are measured using a binned maximum likelihood fit and compared to the neutrino Monte Carlo generator predictions, resulting in good agreement.
Published: 2020
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13. Energy resolution and linearity of XENON1T in the MeV energy range

Author: E. Aprile, J. Aalbers, F. Agostini, M. Alfonsi, L. Althueser, F. D. Amaro, V. C. Antochi, E. Angelino, J. Angevaare, F. Arneodo, D. Barge, L. Baudis, B. Bauermeister, L. Bellagamba, M. L. Benabderrahmane, T. Berger, P. A. Breur, A. Brown, E. Brown, S. Bruenner, G. Bruno, R. Budnik, C. Capelli, J. M. R. Cardoso, D. Cichon, B. Cimmino, M. Clark, D. Coderre, A. P. Colijn, J. Conrad, J. P. Cussonneau, M. P. Decowski, A. Depoian, P. Di Gangi, A. Di Giovanni, R. Di Stefano, S. Diglio, A. Elykov, G. Eurin, A. D. Ferella, W. Fulgione, P. Gaemers, R. Gaior, A. Gallo Rosso, M. Galloway, F. Gao, M. Garbini, L. Grandi, C. Hasterok, C. Hils, K. Hiraide, L. Hoetzsch, E. Hogenbirk, J. Howlett, M. Iacovacci, Y. Itow, F. Joerg, N. Kato, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, H. Landsman, R. F. Lang, L. Levinson, Q. Lin, S. Lindemann, M. Lindner, F. Lombardi, J. A. M. Lopes, E. López Fune, C. Macolino, J. Mahlstedt, L. Manenti, A. Manfredini, F. Marignetti, T. Marrodán Undagoitia, K. Martens, J. Masbou, D. Masson, S. Mastroianni, M. Messina, K. Miuchi, A. Molinario, K. Morå, S. Moriyama, Y. Mosbacher, M. Murra, J. Naganoma, K. Ni, U. Oberlack, K. Odgers, J. Palacio, B. Pelssers, R. Peres, J. Pienaar, V. Pizzella, G. Plante, J. Qin, H. Qiu, D. Ramírez García, S. Reichard, A. Rocchetti, N. Rupp, J. M. F. dos Santos, G. Sartorelli, N. Šarčević, M. Scheibelhut, S. Schindler, J. Schreiner, D. Schulte, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, E. Shockley, M. Silva, H. Simgen, A. Takeda, C. Therreau, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, M. Vargas, G. Volta, O. Wack, H. Wang, Y. Wei, C. Weinheimer, M. Weiss Xu, D. Wenz, C. Wittweg, J. Wulf, Z. Xu, M. Yamashita, J. Ye, G. Zavattini, Y. Zhang, T. Zhu, and J. P. Zopounidis
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract Xenon dual-phase time projection chambers designed to search for weakly interacting massive particles have so far shown a relative energy resolution which degrades with energy above $$\sim $$ ∼ 200 keV due to the saturation effects. This has limited their sensitivity in the search for rare events like the neutrinoless double-beta decay of $$^{136} \hbox {Xe}$$ 136Xe at its Q value, $$Q_{\beta \beta }\simeq 2.46\,\hbox {MeV}$$ Qββ≃2.46MeV . For the XENON1T dual-phase time projection chamber, we demonstrate that the relative energy resolution at $$1\,\sigma /\mu $$ 1σ/μ is as low as ($$0.80 \pm 0.02$$ 0.80±0.02 ) % in its one-ton fiducial mass, and for single-site interactions at $$Q_{\beta \beta }$$ Qββ . We also present a new signal correction method to rectify the saturation effects of the signal readout system, resulting in more accurate position reconstruction and indirectly improving the energy resolution. The very good result achieved in XENON1T opens up new windows for the xenon dual-phase dark matter detectors to simultaneously search for other rare events.
Published: 2020
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14. Search for sub-GeV dark matter by annual modulation using XMASS-I detector

Author: M. Kobayashi, K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, S. Moriyama, M. Nakahata, H. Ogawa, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, Y. Suzuki, B.D. Xu, K. Miuchi, N. Oka, Y. Takeuchi, Y.H. Kim, K.B. Lee, M.K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, K. Fushimi, G. Kanzaki, and S. Nakamura
Subjects: Physics, QC1-999
Abstract: A search for dark matter (DM) with mass in the sub-GeV region (0.32–1 GeV) was conducted by looking for an annual modulation signal in XMASS, a single-phase liquid xenon detector. Inelastic nuclear scattering accompanied by bremsstrahlung emission was used to search down to an electron equivalent energy of 1 keV. The data used had a live time of 2.8 years (3.5 years in calendar time), resulting in a total exposure of 2.38 ton-years. No significant modulation signal was observed and 90% confidence level upper limits of 1.6×10−33 cm2 at 0.5 GeV was set for the DM-nucleon cross section. This is the first experimental result of a search for DM mediated by the bremsstrahlung effect. In addition, a search for DM with mass in the multi-GeV region (4–20 GeV) was conducted with a lower energy threshold than previous analysis of XMASS. Elastic nuclear scattering was used to search down to a nuclear recoil equivalent energy of 2.3 keV, and upper limits of 2.9 ×10−42 cm2 at 8 GeV was obtained. Keywords: Sub-GeV dark matter, Annual modulation, Liquid xenon
Published: 2019
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15. A direct dark matter search in XMASS-I

Author: K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, T. Norita, H. Ogawa, K. Sato, H. Sekiya, O. Takachio, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y. Itow, K. Kanzawa, R. Kegasa, K. Masuda, H. Takiya, K. Fushimi, G. Kanzaki, K. Martens, Y. Suzuki, B.D. Xu, R. Fujita, K. Hosokawa, K. Miuchi, N. Oka, Y. Takeuchi, Y.H. Kim, K.B. Lee, M.K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, and S. Nakamura
Subjects: Physics, QC1-999
Abstract: A search for dark matter using an underground single-phase liquid xenon detector was conducted at the Kamioka Observatory in Japan, particularly for Weakly Interacting Massive Particles (WIMPs). We have used 705.9 live days of data in a fiducial volume containing 97kg of liquid xenon at the center of the detector. The event rate in the fiducial volume after the data reduction was (4.2±0.2)×10−3day−1kg−1keVee−1 at 5keVee, with a signal efficiency of 20%. All the remaining events are consistent with our background evaluation, mostly of the “mis-reconstructed events” originated from 210Pb in the copper plates lining the detector's inner surface. The obtained upper limit on a spin-independent WIMP-nucleon cross section was 2.2×10−44cm2 for a WIMP mass of 60GeV/c2 at the 90% confidence level, which was the most stringent limit among results from single-phase liquid xenon detectors. Keywords: Dark matter, Low background, Liquid xenon
Published: 2019
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16. Search for dark matter in the form of hidden photons and axion-like particles in the XMASS detector

Author: K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, H. Ogawa, K. Sato, H. Sekiya, T. Suzuki, O. Takachio, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, Y. Suzuki, B.D. Xu, K. Miuchi, N. Oka, Y. Takeuchi, Y.H. Kim, K.B. Lee, M.K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, K. Fushimi, G. Kanzaki, and S. Nakamura
Subjects: Physics, QC1-999
Abstract: Hidden photons and axion-like particles are candidates for cold dark matter if they were produced non-thermally in the early universe. We conducted a search for both of these bosons using 800 live-days of data from the XMASS detector with 327 kg of liquid xenon in the fiducial volume. No significant signal was observed, and thus we set constraints on the α′/α parameter related to kinetic mixing of hidden photons and the coupling constant gAe of axion-like particles in the mass range from 40 to 120 keV/c2, resulting in α′/α
Published: 2018
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17. Search for exotic neutrino-electron interactions using solar neutrinos in XMASS-I

Author: K. Abe, Y. Chen, K. Hiraide, K. Ichimura, S. Imaizumi, N. Kato, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y.H. Kim, R. Ishii, Y. Itow, K. Kanzawa, K. Martens, A. Mason, Y. Suzuki, K. Miuchi, Y. Takeuchi, K.B. Lee, M.K. Lee, Y. Fukuda, H. Ogawa, Y. Kishimoto, K. Nishijima, K. Fushimi, B.D. Xu, and S. Nakamura
Subjects: Neutrino, Millicharge, Magnetic moment, Dark photon, Low background, Liquid xenon, Physics, QC1-999
Abstract: We have searched for exotic neutrino-electron interactions that could be produced by a neutrino millicharge, by a neutrino magnetic moment, or by dark photons using solar neutrinos in the XMASS-I liquid xenon detector. We observed no significant signals in 711 days of data. We obtain an upper limit for neutrino millicharge of 5.4×10−12e at 90% confidence level assuming all three species of neutrino have common millicharge. We also set flavor-dependent limits assuming the respective neutrino flavor is the only one carrying a millicharge, 7.3×10−12e for νe, 1.1×10−11e for νμ, and 1.1×10−11e for ντ. These limits are the most stringent yet obtained from direct measurements. We also obtain an upper limit for the neutrino magnetic moment of 1.8×10−10 Bohr magnetons. In addition, we obtain upper limits for the coupling constant of dark photons in the U(1)B−L model of 1.3×10−6 if the dark photon mass is 1×10−3 MeV/c2, and 8.8×10−5 if it is 10 MeV/c2.
Published: 2020
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18. Who benefits from extra-target sampling in addition to intra-target sampling for the detection of adverse prostate pathology? Stereological analysis of biopsy-proven cancer sites

Author: Y. Matsuoka, S. Uehara, S. Yoshida, H. Tanaka, S. Fukuda, H. Fukushima, S. Moriyama, T. Kijima, M. Yokoyama, J. Ishioka, K. Saito, and Y. Fujii
Subjects: Diseases of the genitourinary system. Urology, RC870-923, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Published: 2020
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19. Stepwise diagnostic algorithm using CT and MRI for diagnosis of fat-poor angiomyolipoma in small renal masses: Prospective validation study

Author: M. Toide, H. Tanaka, R. Kato, Y. Umino, S. Matsumoto, Y. Uchida, S. Fukuda, H. Fukushima, S. Moriyama, S. Uehara, T. Kijima, S. Yoshida, M. Yokoyama, J. Ishioka, Y. Matsuoka, K. Saito, and Y. Fujii
Subjects: Diseases of the genitourinary system. Urology, RC870-923, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Published: 2020
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20. Novel classification model of tumour shape irregularity: Significance for predicting potential oncologic risks in clinically localised renal cell carcinoma

Author: H. Tanaka, W. Shimada, S. Fukuda, H. Fukushima, S. Moriyama, S. Uehara, T. Kijima, S. Yoshida, M. Yokoyama, J. Ishioka, Y. Matsuoka, K. Saito, S. Campbell, and Y. Fujii
Subjects: Diseases of the genitourinary system. Urology, RC870-923, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Published: 2020
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21. Systematic biopsy cores away from targets are of limited value for the detection of significant cancer: Analysis of prostate biopsy mapping using multiplanar MRI reconstruction

Author: S. Uehara, Y. Matsuoka, H. Tanaka, S. Moriyama, T. Kijima, S. Yoshida, M. Yokoyama, J. Ishioka, K. Saito, and Y. Fujii
Subjects: Diseases of the genitourinary system. Urology, RC870-923, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Published: 2020
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22. Application of virtual reality in patient education about MRI-ultrasound fusion prostate biopsy

Author: S. Yoshida, N. Taniguchi, S. Moriyama, S. Uehara, H. Tanaka, T. Kijima, M. Yokoyama, J. Ishioka, Y. Matsuoka, K. Saito, and Y. Fujii
Subjects: Diseases of the genitourinary system. Urology, RC870-923, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Published: 2020
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23. Feasibility of non-use of antimicrobial prophylaxis in clean urologic surgeries for adrenal and renal tumors: A prospective single-institutional study of 1339 patients

Author: R. Maruyama, H. Fukushima, S. Fukuda, S. Moriyama, S. Uehara, H. Tanaka, T. Kijima, S. Yoshida, M. Yokoyama, J. Ishioka, Y. Matsuoka, K. Saito, and Y. Fujii
Subjects: Diseases of the genitourinary system. Urology, RC870-923, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Published: 2020
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24. Search for two-neutrino double electron capture on 124Xe with the XMASS-I detector

Author: K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, K. Nakagawa, M. Nakahata, T. Norita, H. Ogawa, H. Sekiya, O. Takachio, A. Takeda, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, S. Tasaka, J. Liu, K. Martens, Y. Suzuki, R. Fujita, K. Hosokawa, K. Miuchi, N. Oka, Y. Onishi, Y. Takeuchi, Y.H. Kim, J.S. Lee, K.B. Lee, M.K. Lee, Y. Fukuda, Y. Itow, R. Kegasa, K. Masuda, H. Takiya, H. Uchida, K. Nishijima, K. Fujii, I. Murayama, and S. Nakamura
Subjects: Double electron capture, Neutrino, Liquid xenon, Physics, QC1-999
Abstract: Double electron capture is a rare nuclear decay process in which two orbital electrons are captured simultaneously in the same nucleus. Measurement of its two-neutrino mode would provide a new reference for the calculation of nuclear matrix elements whereas observation of its neutrinoless mode would demonstrate lepton number violation. A search for two-neutrino double electron capture on 124Xe is performed using 165.9 days of data collected with the XMASS-I liquid xenon detector. No significant excess above background was observed and we set a lower limit on the half-life as 4.7×1021 years at 90% confidence level. The obtained limit has ruled out parts of some theoretical expectations. We obtain a lower limit on the 126Xe two-neutrino double electron capture half-life of 4.3×1021 years at 90% confidence level as well.
Published: 2016
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25. Direct dark matter search by annual modulation in XMASS-I

Author: K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, T. Norita, H. Ogawa, H. Sekiya, O. Takachio, A. Takeda, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, S. Tasaka, K. Fushimi, J. Liu, K. Martens, Y. Suzuki, B.D. Xu, R. Fujita, K. Hosokawa, K. Miuchi, Y. Onishi, N. Oka, Y. Takeuchi, Y.H. Kim, J.S. Lee, K.B. Lee, M.K. Lee, Y. Fukuda, Y. Itow, R. Kegasa, K. Masuda, H. Takiya, K. Nishijima, and S. Nakamura
Subjects: Dark matter, Annual modulation, Liquid xenon, Physics, QC1-999
Abstract: A search for dark matter was conducted by looking for an annual modulation signal due to the Earth's rotation around the Sun using XMASS, a single phase liquid xenon detector. The data used for this analysis was 359.2 live days times 832 kg of exposure accumulated between November 2013 and March 2015. When we assume Weakly Interacting Massive Particle (WIMP) dark matter elastically scattering on the target nuclei, the exclusion upper limit of the WIMP–nucleon cross section 4.3×10−41 cm2 at 8 GeV/c2 was obtained and we exclude almost all the DAMA/LIBRA allowed region in the 6 to 16 GeV/c2 range at ∼10−40 cm2. The result of a simple modulation analysis, without assuming any specific dark matter model but including electron/γ events, showed a slight negative amplitude. The p-values obtained with two independent analyses are 0.014 and 0.068 for null hypothesis, respectively. We obtained 90% C.L. upper bounds that can be used to test various models. This is the first extensive annual modulation search probing this region with an exposure comparable to DAMA/LIBRA.
Published: 2016
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26. Natural history of severe aortic stenosis in elderly heart failure patients who declined transcatheter aortic valve implantation

Author: M Hieda, S Futami, H Tanaka, S Moriyama, S Masui, M Kisanuki, K Hatakeyama, K Irie, T Yokoyama, M Fukata, T Arita, T Maruyama, H Nomura, and K Akashi
Subjects: Cardiology and Cardiovascular Medicine
Abstract: Background Transcatheter aortic valve implantation (TAVI) is an established minimally invasive treatment for elderly patients with severe aortic stenosis (AS). Although it is a relatively minimally invasive procedure, many elderly patients cannot undergo TAVI due to advanced age, advanced dementia, significantly impaired ADL, or because the patient or family does not wish to undergo TAVI. In general, severe AS patients died 5 years after an angina attack, 3 years after syncope symptoms, and 2 years after heart failure symptoms. However, few studies have investigated the prognosis of elderly patients with severe AS who declined TAVI. Purpose This study aimed to comprehend the natural history of elderly severe AS patients who declined aortic valve intervention and identify risk factors for death in the TAVI era. Methods We retrospectively reviewed 2,786 echocardiographic data from our hospital between 2017 and 2021. We identified 504 patients with AS in the echocardiography database. The severe AS was defined by the following echocardiography parameters: peak aortic flow velocity ≥4.0 m/s, aortic valve mean gradient ≥40 mmHg, aortic valve area (AVA) Results The mean age was 89±6 years, and 63 (77%) were women. AHA/ACC classification was Stage A/B/C/D: 0%/52.4%/39.0%/8.5%. As event occurrence, we detected 34 (41.5%) all-cause deaths, 41 (50.0%) major adverse cardiovascular events, 32 (39.0%) development of heart failure, 13 (15.9%) chest pain attacks, and 3 (3.7%) syncope. The time from diagnosis of severe AS to all-cause death was 227±273 days, and the 1-, 2-, and 3-year survival rates were 61.5%, 46.2%, and 36.9%, respectively. Of the heart failure-onset population, 16 (50.0%) were found to have severe AS on initial heart failure admission. The incidence of heart failure at 1, 2, and 3 years after diagnosis of severe AS was 60.1%, 56.7%, and 45.4%, respectively. The time from heart failure to death was 107±147 days. Cox proportional hazards analysis adjusted with age, sex, comorbidities revealed that dementia (HR 4.5, P=0.014) and Katz index Conclusions Compared to the comprehension of the natural history of AS patients, the prognosis in severe AS patients who declined TAVI was extremely poor. Although the elderly patients did not have a high rate of angina attacks or syncope symptoms, probably due to their reduced ADL, the results suggest that dementia prevention and maintenance of exercise tolerance are essential since dementia and reduced ADL (Katz Funding Acknowledgement Type of funding sources: Foundation. Main funding source(s): Clinical Research Promotion Foundation Reiwa 2 Michinari Hieda
Published: 2022

27. The impact of mitral regurgitation on the incidence of stroke in patients with atrial fibrillation

Author: M Hieda, Y Ono, S Moriyama, M Kisanuki, C Ishiguro, S Sato, H Fukuda, and K Akashi
Subjects: Cardiology and Cardiovascular Medicine
Abstract: Background Stroke is a significant cause of mortality and a leading cause of disability in elderly patients. Atrial fibrillation (Af) is the most common cardiac disease with assumed embolic stroke. Therefore, patients with Af need anti-coagulant therapy with a Warfarin (vitamin K antagonist) or a DOAC (Direct Oral Anti-Coagulant), also considering the risk and benefit net balance. It has been suggested that significant mitral regurgitation (MR) and its vortex jet in the left atrium might reduce embolic stroke source in patients with Af. However, the effect of MR on the risk of stroke in patients with Af is still controversial. Therefore, we hypothesized whether MR might be associated with a lower risk of thromboembolic events in patients with Af. Purpose This study aims to investigate whether MR was associated with a decreased risk of stroke in patients with Af, especially in the elderly population. Methods We studied 1,714,955 patients in the LIFE Study database, comprising Japanese claims data for public insurance policyholders between 2014 and 2020. We identified 51,939 patients with new-onset Af. Among them, patients with pre-existing stroke patients (N=28,519) were excluded, and new-onset Af patients without stroke (N=23,420) were obtained. Based on the baseline information, the Af patients were stratified into the MR group (N=3,439) and Without-MR group (N=19,981). Propensity score matching (the nearest neighbor method with a caliper of 0.2) was performed to balance baseline features and stroke risk factors between the MR group (N=3439) and the Without-MR group (N=3439). Propensity scores were estimated using logistic regression with age, sex, and all factors in Elixhauser's comorbidity system. The incidence rate of the stroke (events per person-year) was calculated by the event numbers divided by the overall period for the observations months × 12. Kaplan-Meier curves of stroke-free survival were generated, and the two groups' comparisons were performed using the log-rank test. Results As expected, patients' characteristics were comparable between the two groups. The observation period was 3 years for both groups. In the MR group, 136 patients with stroke were detected. On the other hand, 122 patients with stroke were detected in the Without-MR group. The incidence rate of the stroke per person-year was 0.027 and 0.025 events per person-year in patients with the MR and Without-MR groups. In addition, the Kaplan-Meier analysis showed that the incidence rate of stroke was comparable between the two groups (P=0.43). Conclusions The frequency of stroke in patients with atrial fibrillation was similar, despite mitral regurgitation. Therefore, patients with atrial fibrillation should have anti-coagulation therapy, regardless of the presence or absence of mitral regurgitation. Funding Acknowledgement Type of funding sources: Public grant(s) – National budget only. Main funding source(s): This work was supported by grants provided by the Japan Science and Technology Agency (JST) Fusion Oriented Research for disruptive Science and Technology (FOREST) Program (Grant Number: JPMJFR205J) and the Japan Society for the Promotion of Science (JSPS) Grants-in-Aid for Scientific Research (KAKENHI) Program (Grant Numbers: JP20H00563 and JP19K21590).
Published: 2022

28. Supernova model discrimination with hyper-kamiokande

Author: Y. Nagao, H. Tanaka, A. Minamino, B. Navarro-Garcia, Z. Xie, L. Nascimento Machado, J. Lagoda, M. Shinoki, S. Cuen-Rochin, Arman Esmaili, F. Ballester, S. Parsa, N. McCauley, Jung-Hyun Kim, K. Frankiewicz, L. L. Kormos, Masaki Ishitsuka, M. Malek, V. Valentino, N. Kazarian, T. Wachala, E. Drakopoulou, G. Grella, V. Paolone, L. F. Thompson, A. K. Tomatani-Sánchez, A. Blanchet, R. A. Wendell, John Ellis, J. Y. Kim, N. W. Prouse, O. V. Mineev, M. R. Vagins, T. Boschi, T. Lindner, J. González-Nuevo, Hiroshi Ito, N. Skrobova, M. La Commara, L. Gialanella, F. Orozco-Luna, T. Kumita, A. Garfagnini, S. H. Jeon, A. Dergacheva, Hiroaki Menjo, A. T. Suzuki, K. Okamoto, C. E. R. Naseby, J. F. Martin, T. Iijima, M. Mezzetto, G. Ricciardi, J. R. Wilson, P. Gumplinger, Y. Takemoto, G. Galinski, K. Zaremba, T. Nakadaira, D. Vivolo, A. Carroll, C. Vilela, A. Blondel, A. Rychter, T. A. Doyle, C. Garde, G. De Rosa, A. Oshlianskyi, Hiroyuki Sekiya, R. Matsumoto, G. Pastuszak, P. J. Rajda, F. Monrabal, Yoichi Asaoka, G. Díaz López, K. L. Stankevich, C. D. Shin, Y. Fukuda, Yuto Ashida, Michal Malinský, T. Suganuma, B. Radics, Kohta Murase, Marco Grassi, P. Mehta, F. Cafagna, Ahmed Ali, L. Koerich, Vincenzo Berardi, Etam Noah, F. J. P. Soler, Alan Cosimo Ruggeri, M. Kekic, G. Vasseur, S. Wronka, M. Thiesse, B. Ferrazzi, K. Iwamoto, Yu. Kudenko, Atsushi Takeda, Kendall Mahn, David Hadley, B. Roskovec, M. Bergevin, A. Korzenev, J.J. Gómez-Cadenas, M. Batkiewicz-Kwasniak, M. Tzanov, M. Ikeda, Federico Sanchez, W. Obrębski, H. S. Jo, Y. Takeuchi, Piotr Kalaczyński, S. Chakraborty, J. C. Nugent, S. King, P. Paganini, M. Miura, F. Ameli, D. N. Yeum, C. J. Metelko, Akito Araya, T. Kajita, M. Tanaka, I. T. Lim, L. Mellet, S. Y. Kim, S. Bolognesi, A. Bravar, J. S. Jang, D. Svirida, A. Fiorentini, J. Renner, M. Chabera, L. O'Sullivan, V. Herrero, F. Iacob, K. Nakamura, Ko Okumura, Lukasz Stawarz, N. Ogawa, Laura Bonavera, Y. Maekawa, Takatomi Yano, Ll. Marti, H. J. Rose, S. El Hedri, L. Maret, G. Zarnecki, L. Bernard, S. H. Seo, H. Nakamura, H. Ozaki, A. P. Kryukov, A. Popov, Hisakazu Minakata, M. Buizza Avanzini, P. Sarmah, K. Martens, Sergio Luis Suárez Gómez, Hiroaki Aihara, V. Lezaun, G. A. Cowan, C. Riccio, S. Garode, R. Akutsu, M. Lamers James, T. Nicholls, I. Alekseev, K. Kowalik, J. Kasperek, T. Zakrzewski, S. B. Kim, T. Kutter, Evan O'Connor, B. Jamieson, F. Nova, M. Barbi, Xianguo Lu, Y. Sonoda, M. Friend, Teppei Katori, L. H. V. Anthony, A. Shaikhiev, C. J. Densham, V. Gousy-Leblanc, I. Bandac, J. H. Choi, S. Sano, A. K. Ichikawa, Magda Cicerchia, S. Valder, S. Roth, J. Kameda, M. Zito, A. Vijayvargi, S. Nakai, Y. Kotsar, K. M. Tsui, K. Hoshina, K. K. Joo, C. Pastore, T. Marchi, K. Niewczas, K. Nakayoshi, G. Fiorillo, C. McGrew, P. F. Loverre, S. Playfer, G.D. Barr, L. Labarga, T. Kobayashi, E. S. Pinzon Guerra, André Rubbia, D. Karlen, Th. A. Mueller, L. Koch, F. J. Mora, M. M. Khabibullin, Hidekazu Kakuno, Yoshitaka Itow, H. K. Tanaka, P. Adrich, Jeong-Eun Lee, S. Samani, M. G. Catanesi, M. Yu, M. J. Wilking, Robert Svoboda, P. Mijakowski, N. Kolev, Yu. Onishchuk, A. Kato, J. M. Poutissou, C. Bronner, Yutaka Nakajima, B. Richards, C. Ruggles, M. Needham, P. Jonsson, Y. Hayato, S. Mine, A. Konaka, L. Munteanu, Kunio Inoue, O. Drapier, Kenneth Long, M. McCarthy, T. Kinoshita, G. Tortone, Yuuki Nakano, T. Feusels, N. Izumi, Reetanjali Moharana, T. Dealtry, S. Hassani, G. Pronost, K. Sakashita, J. G. Learned, H. M. O'Keeffe, Shintaro Ito, E. Rondio, Toru Ogitsu, D. A. Patel, Tatiana Ovsiannikova, M. Guigue, Yusuke Koshio, T. Matsubara, S. M. Stellacci, R. J. Wilkes, G. Santucci, S. Y. Suzuki, S. D. Rountree, K. Zietara, A. A. Quiroga, M. Jakkapu, A. Boiano, L. Berns, M. O. Wascko, M. M. Vyalkov, K. Porwit, M. Taani, A. Evangelisti, I. Sashima, Michal Dziewiecki, J. Feng, Y. Seiya, M. Yonenaga, B. Spisso, B. W. Pointon, C. M. Mollo, N. Booth, S. V. Cao, N. Ospina, A. J. Finch, V. Takhistov, E. Radicioni, P. Przewlocki, S. Nakayama, S. Yen, T. Sekiguchi, Yudai Suwa, J. M. Calvo-Mozota, S. Zsoldos, C. Checchia, M. Posiadala-Zezula, E. O'Sullivan, Janusz Marzec, F. Retiere, Jan T. Sobczyk, P. Migliozzi, S. Borjabad, I. Di Palma, John Hill, K. A. Kouzakov, D. L. Wark, L. Cook, D. Sgalaberna, E. W. Miller, M. Lamoureux, M. Y. Pac, S. Russo, S. L. Cartwright, Yasunari Suzuki, D. Bose, B. Zaldivar, D. Martin, Dongsu Ryu, Z. Shan, S. Miki, M. Jiang, J. Kisiel, N. Yershov, M. Matusiak, C. Pea-Garay, K. Sato, Jesús Daniel Santos, Y. Yamaguchi, D. Bravo-Berguo, Chad Finley, T. Tashiro, Lawrence D. Brown, A. Gorin, Hiromasa Tanaka, M. Ziembicki, T. Vladisavljevic, J. Zalipska, J. Insler, C. Yanagisawa, Abinash Medhi, L. Kravchuk, W. Idrissi Ibnsalih, Hirokazu Ishino, J. Bian, K. Magar, S. Cebrian, Philippe Mermod, R. Gornea, Juan Pedro Ochoa-Ricoux, Sergei Fedotov, S. Izumiyama, C. Bozza, R. Esteve, Seiko Hirota, T. Tsukamoto, K. Skwarczynski, E. De la Fuente, T. Kikawa, M. Gonin, J. Xia, Intae Yu, Gareth J. Barker, A. Marinelli, E. Kearns, L. Lavitola, Michal Ostrowski, N. Deshmukh, Y. Kataoka, F. d. M. Blaszczyk, Carsten Rott, C. Mariani, T. Ishida, Roberto Spina, J. W. Seo, Masashi Yokoyama, F. Gramegna, K. Hultqvist, G. Collazuol, P. Spradlin, Gus Sinnis, A. Takenaka, T. Xin, M. Bellato, Yuki Fujii, Mark Scott, J. A. Hernando-Morata, P. Ferrario, A. Buchowicz, S. J. Jenkins, J. Walker, J. Toledo, Pablo Fernandez, Sandhya Choubey, S. Emery, A. Mefodiev, R.P. Kurjata, M. Mongelli, J. Dumarchez, Tsuyoshi Nakaya, M. Antonova, M. Danilov, M. Feely, A. Holin, Ara Ioannisian, B. A. Popov, K Stopa, W. G. S. Vinning, M. L. Sánchez, Masato Shiozawa, L. Ludovici, J. Gao, S. Bhadra, Koji Ishidoshiro, Hiroshi Nunokawa, V. Aushev, M. Hartz, I. Shimizu, C. S. Moon, M. B. Smy, S. Matsuno, I. Anghel, J. Migenda, T. Mondal, F. Di Lodovico, M. Tada, D. J. Payne, M. Kuze, N. C. Hastings, P. Di Meo, Y. Nishimura, M. Inomoto, L. Magaletti, C. Giganti, A. Klekotko, Patrick Dunne, J. Yoo, M. C. Sanchez, A. N. Khotjantsev, Kyujin Kwak, Lars Eklund, M. Lawe, A. Mitra, H. W. Sobel, Jürgen Pozimski, Yasuhiro Makida, A. Bubak, Jaroslaw Pasternak, B. Quilain, R. Leitner, Marco Laveder, J. P. Coleman, N. F. Calabria, H. I. Jang, S. B. Boyd, Moon Moon Devi, M. Fitton, M. Harada, Artur F. Izmaylov, J. McElwee, Shunsaku Horiuchi, P. de Perio, K. Nakagiri, Y. Kano, M. Rescigno, S. Moriyama, Masayuki Nakahata, C. Pidcott, Y. Uchida, V. Palladino, A. Longhin, A. Shaykina, Michelangelo Pari, Akimichi Taketa, Yuichi Oyama, S. Suvorov, R. P. Litchfield, D. H. Moon, Katsuki Hiraide, M. Pavin, M. Koga, R. B. Vogelaar, Enrique Fernandez-Martinez, B. L. Hartfiel, Koji Yamamoto, K. Ohta, K. Abe, Alexander Studenikin, E. Mazzucato, Elisa Bernardini, Abe, K., Adrich, P., Aihara, H., Akutsu, R., Alekseev, I., Ali, A., Ameli, F., Anghel, I., Anthony, L. H. V., Antonova, M., Araya, A., Asaoka, Y., Ashida, Y., Aushev, V., Ballester, F., Bandac, I., Barbi, M., Barker, G. J., Barr, G., Batkiewicz-Kwasniak, M., Bellato, M., Berardi, V., Bergevin, M., Bernard, L., Bernardini, E., Berns, L., Bhadra, S., Bian, J., Blanchet, A., Blaszczyk, F. D. M., Blondel, A., Boiano, A., Bolognesi, S., Bonavera, L., Booth, N., Borjabad, S., Boschi, T., Bose, D., Boyd, S. B., Bozza, C., Bravar, A., Bravo-Berguo, D., Bronner, C., Brown, L., Bubak, A., Buchowicz, A., Buizza Avanzini, M., Cafagna, F. S., Calabria, N. F., Calvo-Mozota, J. M., Cao, S., Cartwright, S. L., Carroll, A., Catanesi, M. G., Cebrian, S., Chabera, M., Chakraborty, S., Checchia, C., Choi, J. H., Choubey, S., Cicerchia, M., Coleman, J., Collazuol, G., Cook, L., Cowan, G., Cuen-Rochin, S., Danilov, M., Diaz Lopez, G., De La Fuente, E., De Perio, P., De Rosa, G., Dealtry, T., Densham, C. J., Dergacheva, A., Deshmukh, N., Devi, M. M., Di Lodovico, F., Di Meo, P., Di Palma, I., Doyle, T. A., Drakopoulou, E., Drapier, O., Dumarchez, J., Dunne, P., Dziewiecki, M., Eklund, L., El Hedri, S., Ellis, J., Emery, S., Esmaili, A., Esteve, R., Evangelisti, A., Feely, M., Fedotov, S., Feng, J., Fernandez, P., Fernandez-Martinez, E., Ferrario, P., Ferrazzi, B., Feusels, T., Finch, A., Finley, C., Fiorentini, A., Fiorillo, G., Fitton, M., Frankiewicz, K., Friend, M., Fujii, Y., Fukuda, Y., Galinski, G., Gao, J., Garde, C., Garfagnini, A., Garode, S., Gialanella, L., Giganti, C., Gomez-Cadenas, J. J., Gonin, M., Gonzalez-Nuevo, J., Gorin, A., Gornea, R., Gousy-Leblanc, V., Gramegna, F., Grassi, M., Grella, G., Guigue, M., Gumplinger, P., Hadley, D. R., Harada, M., Hartfiel, B., Hartz, M., Hassani, S., Hastings, N. C., Hayato, Y., Hernando-Morata, J. A., Herrero, V., Hill, J., Hiraide, K., Hirota, S., Holin, A., Horiuchi, S., Hoshina, K., Hultqvist, K., Iacob, F., Ichikawa, A. K., Idrissi Ibnsalih, W., Iijima, T., Ikeda, M., Inomoto, M., Inoue, K., Insler, J., Ioannisian, A., Ishida, T., Ishidoshiro, K., Ishino, H., Ishitsuka, M., Ito, H., Ito, S., Itow, Y., Iwamoto, K., Izmaylov, A., Izumi, N., Izumiyama, S., Jakkapu, M., Jamieson, B., Jang, H. I., Jang, J. S., Jenkins, S. J., Jeon, S. H., Jiang, M., Jo, H. S., Jonsson, P., Joo, K. K., Kajita, T., Kakuno, H., Kameda, J., Kano, Y., Kalaczynski, P., Karlen, D., Kasperek, J., Kataoka, Y., Kato, A., Katori, T., Kazarian, N., Kearns, E., Khabibullin, M., Khotjantsev, A., Kikawa, T., Kekic, M., Kim, J. H., Kim, J. Y., Kim, S. B., Kim, S. Y., King, S., Kinoshita, T., Kisiel, J., Klekotko, A., Kobayashi, T., Koch, L., Koga, M., Koerich, L., Kolev, N., Konaka, A., Kormos, L. L., Koshio, Y., Korzenev, A., Kotsar, Y., Kouzakov, K. A., Kowalik, K. L., Kravchuk, L., Kryukov, A. P., Kudenko, Y., Kumita, T., Kurjata, R., Kutter, T., Kuze, M., Kwak, K., La Commara, M., Labarga, L., Lagoda, J., Lamers James, M., Lamoureux, M., Laveder, M., Lavitola, L., Lawe, M., Learned, J. G., Lee, J., Leitner, R., Lezaun, V., Lim, I. T., Lindner, T., Litchfield, R. P., Long, K. R., Longhin, A., Loverre, P., Lu, X., Ludovici, L., Maekawa, Y., Magaletti, L., Magar, K., Mahn, K., Makida, Y., Malek, M., Malinsky, M., Marchi, T., Maret, L., Mariani, C., Marinelli, A., Martens, K., Marti, L., Martin, J. F., Martin, D., Marzec, J., Matsubara, T., Matsumoto, R., Matsuno, S., Matusiak, M., Mazzucato, E., Mccarthy, M., Mccauley, N., Mcelwee, J., Mcgrew, C., Mefodiev, A., Medhi, A., Mehta, P., Mellet, L., Menjo, H., Mermod, P., Metelko, C., Mezzetto, M., Migenda, J., Migliozzi, P., Mijakowski, P., Miki, S., Miller, E. W., Minakata, H., Minamino, A., Mine, S., Mineev, O., Mitra, A., Miura, M., Moharana, R., Mollo, C. M., Mondal, T., Mongelli, M., Monrabal, F., Moon, D. H., Moon, C. S., Mora, F. J., Moriyama, S., Mueller, T. A., Munteanu, L., Murase, K., Nagao, Y., Nakadaira, T., Nakagiri, K., Nakahata, M., Nakai, S., Nakajima, Y., Nakamura, K., Nakamura, K. I., Nakamura, H., Nakano, Y., Nakaya, T., Nakayama, S., Nakayoshi, K., Nascimento Machado, L., Naseby, C. E. R., Navarro-Garcia, B., Needham, M., Nicholls, T., Niewczas, K., Nishimura, Y., Noah, E., Nova, F., Nugent, J. C., Nunokawa, H., Obrebski, W., Ochoa-Ricoux, J. P., O'Connor, E., Ogawa, N., Ogitsu, T., Ohta, K., Okamoto, K., O'Keeffe, H. M., Okumura, K., Onishchuk, Y., Orozco-Luna, F., Oshlianskyi, A., Ospina, N., Ostrowski, M., O'Sullivan, E., O'Sullivan, L., Ovsiannikova, T., Oyama, Y., Ozaki, H., Pac, M. Y., Paganini, P., Palladino, V., Paolone, V., Pari, M., Parsa, S., Pasternak, J., Pastore, C., Pastuszak, G., Patel, D. A., Pavin, M., Payne, D., Pea-Garay, C., Pidcott, C., Pinzon Guerra, E., Playfer, S., Pointon, B. W., Popov, A., Popov, B., Porwit, K., Posiadala-Zezula, M., Poutissou, J. -M., Pozimski, J., Pronost, G., Prouse, N. W., Przewlocki, P., Quilain, B., Quiroga, A. A., Radicioni, E., Radics, B., Rajda, P. J., Renner, J., Rescigno, M., Retiere, F., Ricciardi, G., Riccio, C., Richards, B., Rondio, E., Rose, H. J., Roskovec, B., Roth, S., Rott, C., Rountree, S. D., Rubbia, A., Ruggeri, A. C., Ruggles, C., Russo, S., Rychter, A., Ryu, D., Sakashita, K., Samani, S., Sanchez, F., Sanchez, M. L., Sanchez, M. C., Sano, S., Santos, J. D., Santucci, G., Sarmah, P., Sashima, I., Sato, K., Scott, M., Seiya, Y., Sekiguchi, T., Sekiya, H., Seo, J. W., Seo, S. H., Sgalaberna, D., Shaikhiev, A., Shan, Z., Shaykina, A., Shimizu, I., Shin, C. D., Shinoki, M., Shiozawa, M., Sinnis, G., Skrobova, N., Skwarczynski, K., Smy, M. B., Sobczyk, J., Sobel, H. W., Soler, F. J. P., Sonoda, Y., Spina, R., Spisso, B., Spradlin, P., Stankevich, K. L., Stawarz, L., Stellacci, S. M., Stopa, K., Studenikin, A. I., Suarez Gomez, S. L., Suganuma, T., Suvorov, S., Suwa, Y., Suzuki, A. T., Suzuki, S. Y., Suzuki, Y., Svirida, D., Svoboda, R., Taani, M., Tada, M., Takeda, A., Takemoto, Y., Takenaka, A., Taketa, A., Takeuchi, Y., Takhistov, V., Tanaka, H., Tanaka, H. A., Tanaka, H. I., Tanaka, M., Tashiro, T., Thiesse, M., Thompson, L. F., Toledo, J., Tomatani-Sanchez, A. K., Tortone, G., Tsui, K. M., Tsukamoto, T., Tzanov, M., Uchida, Y., Vagins, M. R., Valder, S., Valentino, V., Vasseur, G., Vijayvargi, A., Vilela, C., Vinning, W. G. S., Vivolo, D., Vladisavljevic, T., Vogelaar, R. B., Vyalkov, M. M., Wachala, T., Walker, J., Wark, D., Wascko, M. O., Wendell, R. A., Wilkes, R. J., Wilking, M. J., Wilson, J. R., Wronka, S., Xia, J., Xie, Z., Xin, T., Yamaguchi, Y., Yamamoto, K., Yanagisawa, C., Yano, T., Yen, S., Yershov, N., Yeum, D. N., Yokoyama, M., Yonenaga, M., Yoo, J., Yu, I., Yu, M., Zakrzewski, T., Zaldivar, B., Zalipska, J., Zaremba, K., Zarnecki, G., Ziembicki, M., Zietara, K., Zito, M., Zsoldos, S., Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Hyper-Kamiokande, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Physics - Instrumentation and Detectors, 09.- Desarrollar infraestructuras resilientes, promover la industrialización inclusiva y sostenible, y fomentar la innovación, KAMIOKANDE, Astrophysics, 01 natural sciences, neutrino: flux, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), neutrino, accretion, black hole, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Core-collapse supernovae, neutron star, Monte Carlo, physics.ins-det, 010303 astronomy & astrophysics, astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Instrumentation and Detectors (physics.ins-det), 16. Peace & justice, Supernova, neutrino: detector, 07.- Asegurar el acceso a energías asequibles, fiables, sostenibles y modernas para todos, supernova, neutrino astronomy, neutrino physics, Neutrino detector, Neutrino, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, supernova: collapse, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Observable universe, Astrophysics::Cosmology and Extragalactic Astrophysics, Hyper-Kamiokande, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], High energy physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), High Energy Astrophysical Phenomena, Astrophysics::Galaxy Astrophysics, hep-ex, 010308 nuclear & particles physics, supernova: model, Astronomy and Astrophysics, Galaxy, Black hole, Neutron star, Space and Planetary Science, neutrino: burst, galaxy, Neutrino astronomy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], astro-ph.IM
Abstract: Autorzy: Abe K., Adrich P., Aihara H., Akutsu, R., Alekseev I., Ali A. , Ameli F., Anghel I., Anthony L. H. V., Antonova M. , Araya A., Asaoka Y., Ashida Y., Aushev V., Ballester F., Bandac I., Barbi M., Barker G. J., Barr G., Batkiewicz-Kwasniak M., Bellato M., Berardi V., Bergevin M., Bernard L., Bernardini E., Berns L., Bhadra S., Bian J., Blanchet A., Blaszczyk F. d. M., Blonde A., Boiano A., Bolognesi S., Bonavera L., Booth N., Borjabad S., Boschi, T., Bose D., Boyd S . B., Bozza C., Bravar A., Bravo-Berguño D., Bronner C., Brown L., Bubak Arkadiusz, Buchowicz A., Buizza Avanzini M., Cafagna F. S., Calabria N. F., Calvo-Mozota J. M., Cao S., Cartwright S.L., Carroll A., Catanesi M. G., Cebriàn, S., Chabera M., Chakraborty, S., Checchia C., Choi J.H., Choubey S., Cicerchia M., Coleman J., Collazuol G., Cook L., Cowan G., Cuen-Rochin, S., Danilov M., Díaz López G., De la Fuente E., de Perio P., De Rosa G., Dealtry T., Densham C. J., Dergacheva A., Deshmukh N., Devi M. M., Di Lodovico F., Di Meo, P., Di Palma I., Doyle T. A., Drakopoulou E., Drapier O., Dumarchez J., Dunne P., Dziewiecki M., Eklund L., El Hedri S., Ellis J., Emery S., Esmaili A., Esteve R., Evangelisti A., Feely M., Fedotov S., Feng J., Fernandez P., Fernández-Martinez E., Ferrario P., Ferrazzi,B., Feusels T., Finch A., Finley C., Fiorentini A., Fiorillo G., Fitton M., Frankiewicz K., Friend M., Fujii Y., Fukuda Y., Galinski G., Gao J., Garde C., Garfagnini A., Garode S., Gialanella L., Giganti C., Gomez-Cadenas J.J., Gonin M., González-Nuevo J., Gorin A., Gornea R., Gousy-Leblanc V. Gramegna F. Grassi M. Grella G. Guigue M. Gumplinger P. Hadley D.R. Harada M., Hartfiel B., Hartz M., Hassani S., Hastings N.C., Hayato Y., Hernando-Morata J.A., Herrero V., Hill J., Hiraide K., Hirota S., Holin A., Horiuchi S., Hoshina K., Hultqvist K., Iacob F., Ichikawa A.K., Idrissi Ibnsalih W., Iijima T., Ikeda M., Inomoto M., Inoue K., Insler J., Ioannisian A., Ishida T., Ishidoshiro K., Ishino H., Ishitsuka M., Ito H., Ito S., Itow Y., Iwamoto K., Izmaylov A., Izumi N., Izumiyama S., Jakkapu M., Jamieson B., Jang H.I., Jang J.S., Jenkins S.J., Jeon S.H., Jiang M., Jo H.S., Jonsson P., Joo K.K., Kajita T., Kakuno H., Kameda J., Kano Y., Kalaczynski P., Karlen D., Kasperek J., Kataoka Y., Kato A., Katori T., Kazarian N., Kearns E., Khabibullin M., Khotjantsev A., Kikawa T., Kekic M., Kim J.H., Kim J.Y., Kim S.B., Kim S.Y., King S., Kinoshita T., Kisiel Jan, Klekotko A., Kobayashi T., Koch L., Koga M., Koerich L., Kolev N., Konaka A., Kormos L.L., Koshio Y., Korzenev A., Kotsar Y., Kouzakov K.A., Kowalik K.L., Kravchuk L., Kryukov A.P., Kudenko Y., Kumita T., Kurjata R., Kutter T., Kuze M., Kwak K., La Commara M., Labarga L., Lagoda J., Lamers James J., Lamoureux M., Laveder M., Lavitola L., Lawe M., Learned J.G., Lee J., Leitner R., Lezaun V., Lim I.T., Lindner T., Litchfield R.P., Long K.R., Longhin A., Loverre P., Lu X., Ludovici L., Maekawa Y., Magaletti L., Magar K., Mahn K., Makida Y., Malek M., Malinský M., Marchi T., Maret L., Mariani C., Marinelli A., Martens K., Marti L., Martin J.F. Martin D., Marzec J., Matsubara T., Matsumoto R., Matsuno S., Matusiak M., Mazzucato E., McCarthy M., McCauley N., McElwee J., McGrew C., Mefodiev A., Medhi A., Mehta P., Mellet L., Menjo H., Mermod P., Metelko C., Mezzetto M., Migenda J., Migliozzi P., Mijakowski P., Miki S., Miller E.W., Minakata H., Minamino A., Mine S., Mineev O., Mitra A., Miura M., Moharana R., Mollo C.M., Mondal T., Mongelli M., Monrabal F., Moon D.H., Moon C.S., Mora F.J., Moriyama S., Mueller Th.A., Munteanu L., Murase K., Nagao Y., Nakadaira T., Nakagiri K., Nakahata M., Nakai S., Nakajima Y., Nakamura K., Nakamura KI., Nakamura H., Nakano Y., Nakaya T., Nakayama S., Nakayoshi K., Nascimento Machado L., Naseby C.E.R., Navarro-Garcia B., Needham M., Nicholls T., Niewczas K., Nishimura Y., Noah E., Nova F., Nugent J.C., Nunokawa H., Obrebski W., Ochoa-Ricoux J.P., O’Connor E., Ogawa N., Ogitsu T., Ohta K., Okamoto K., O’Keeffe H.M., Okumura K., Onishchuk Y., Orozco-Luna F., Oshlianskyi A., Ospina N., Ostrowski M., O’Sullivan E., O’Sullivan L., Ovsiannikova T., Oyama Y., Ozaki H., Pac M.Y., Paganini P., Palladino V., Paolone V., Pari M., Parsa S., Pasternak J., Pastore C., Pastuszak G., Patel D.A., Pavin M., Payne D., Peña-Garay C., Pidcott C., Pinzon Guerra E., Playfer S., Pointon B.W., Popov A., Popov B., Porwit Kamil, Posiadala-Zezula M., Poutissou J.M., Pozimski J., Pronost G., Prouse N.W., Przewlocki P., Quilain B., Quiroga A.A., Radicioni E., Radics B., Rajda P.J., Renner J., Rescigno M., Retiere F., Ricciardi G., Riccio C., Richards B., Rondio E., Rose H.J., Roskovec B., Roth S., Rott C., Rountree S.D., Rubbia A., Ruggeri A.C., Ruggles C., Russo S., Rychter A., Ryu D., Sakashita K., Samani S., Sánchez F., Sánchez M.L., Sanchez M.C., Sano S., Santos J.D., Santucci G., Sarmah P., Sashima I., Sato K., Scott M., Seiya Y., Sekiguchi T., Sekiya H., Seo J.W., Seo S.H., Sgalaberna D., Shaikhiev A., Shan Z., Shaykina A., Shimizu I., Shin C.D., Shinoki M., Shiozawa M., Sinnis G., Skrobova N., Skwarczynski K., Smy M.B., Sobczyk J., Sobel H.W., Soler F. J. P., Sonoda Y., Spina R., Spisso B., Spradlin B., Stankevich K.L., Stawarz L., Stellacci S.M., Stopa K., Studenikin A.I., Suárez Gómez S.L., Suganuma T., Suvorov S., Suwa Y., Suzuki A.T., Suzuki S.Y., Suzuki Y., Svirida D., Svoboda R., Taani M., Tada M., Takeda A., Takemoto Y., Takenaka A., Taketa A., Takeuchi Y., Takhistov V., Tanaka H., Tanaka H.A., Tanaka H.I., Tanaka M., Tashiro T., Thiesse M., Thompson L.F., Toledo J., Tomatani-Sánchez A.K., Tortone G., Tsui K.M., Tsukamoto T., Tzanov M., Uchida Y., Vagins M.R., Valder S., Valentino V., Vasseur G., Vijayvargi A., Vilela C., Vinning W. G. S., Vivolo D., Vladisavljevic T., Vogelaar R.B., Vyalkov M.M., Wachala T., Walker J., Wark D., Wascko M.O., Wendell R.A., Wilkes R.J., Wilking M.J., Wilson M.R., Wronka S., Xia J., Xie Z., Xin T., Yamaguchi Y., Yamamoto K., Yanagisawa C., Yano T., Yen S., Yershov N., Yeum D.N., Yokoyama M., Yonenaga M., Yoo J., Yu I., Yu M., Zakrzewski T., Zaldivar B., Zalipska J., Zaremba K., Zarnecki G., Ziembicki M., Zietara K., Zito M., Zsoldos S., Core-collapse supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants-neutron stars and black holes-are interesting astrophysical objects in their own right. However, despite millennia of observations and almost a century of astrophysical study, the explosion mechanism of core-collapse supernovae is not yet well understood. Hyper-Kamiokande is a next-generation neutrino detector that will be able to observe the neutrino flux from the next galactic core-collapse supernova in unprecedented detail. We focus on the first 500 ms of the neutrino burst, corresponding to the accretion phase, and use a newly-developed, high-precision supernova event generator to simulate Hyper-Kamiokandeʼs response to five different supernova models. We show that Hyper-Kamiokande will be able to distinguish between these models with high accuracy for a supernova at a distance of up to 100 kpc. Once the next galactic supernova happens, this ability will be a powerful tool for guiding simulations toward a precise reproduction of the explosion mechanism observed in nature.
Published: 2022

29. Search for supernova bursts in Super-Kamiokande IV

Author: M. Mori, K. Abe, Y. Hayato, K. Hiraide, K. Ieki, M. Ikeda, S. Imaizumi, J. Kameda, Y. Kanemura, R. Kaneshima, Y. Kashiwagi, Y. Kataoka, S. Miki, S. Mine, M. Miura, S. Moriyama, Y. Nagao, M. Nakahata, Y. Nakano, S. Nakayama, Y. Noguchi, T. Okada, K. Okamoto, A. Orii, K. Sato, H. Sekiya, H. Shiba, K. Shimizu, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, A. Takenaka, H. Tanaka, T. Tomiya, S. Watanabe, T. Yano, S. Yoshida, S. Han, T. Kajita, K. Okumura, T. Tashiro, X. Wang, J. Xia, G. D. Megias, D. Bravo-Berguño, P. Fernandez, L. Labarga, N. Ospina, B. Zaldivar, S. Zsoldos, B. W. Pointon, F. D. M. Blaszczyk, E. Kearns, J. L. Raaf, J. L. Stone, L. Wan, T. Wester, J. Bian, N. J. Griskevich, W. R. Kropp, S. Locke, M. B. Smy, H. W. Sobel, V. Takhistov, Yankelevich A., J. Hill, J. Y. Kim, I. T. Lim, R. G. Park, B. Bodur, K. Scholberg, C. W. Walter, L. Bernard, A. Coffani, O. Drapier, S. El Hedri, A. Giampaolo, Th. A. Mueller, P. Paganini, B. Quilain, A. D. Santos, T. Ishizuka, T. Nakamura, J. S. Jang, J. G. Learned, L. H. V. Anthony, D. Martin, M. Scott, A. A. Sztuc, Y. Uchida, V. Berardi, M. G. Catanesi, E. Radicioni, N. F. Calabria, L. N. Machado, G. De Rosa, G. Collazuol, F. Iacob, M. Lamoureux, M. Mattiazzi, L. Ludovici, M. Gonin, G. Pronost, Y. Maekawa, Y. Nishimura, C. Fujisawa, M. Friend, T. Hasegawa, T. Ishida, T. Kobayashi, M. Jakkapu, T. Matsubara, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, H. Ozaki, T. Shiozawa, A. T. Suzuki, Y. Takeuchi, S. Yamamoto, Y. Kotsar, Y. Ashida, C. Bronner, J. Feng, S. Hirota, T. Kikawa, T. Nakaya, R. A. Wendell, K. Yasutome, N. McCauley, P. Mehta, K. M. Tsui, Y. Fukuda, Y. Itow, H. Menjo, K. Ninomiya, T. Niwa, M. Tsukada, J. Lagoda, S. M. Lakshmi, P. Mijakowski, J. Zalipska, M. Mandal, Y. S. Prabhu, J. Jiang, C. K. Jung, C. Vilela, M. J. Wilking, C. Yanagisawa, M. Jia, K. Hagiwara, M. Harada, T. Horai, H. Ishino, S. Ito, H. Kitagawa, Y. Koshio, W. Ma, F. Nakanishi, N. Piplani, S. Sakai, G. Barr, D. Barrow, L. Cook, S. Samani, D. Wark, F. Nova, T. Boschi, J. Gao, A. Goldsack, T. Katori, F. Di Lodovico, J. Migenda, M. Taani, J. Y. Yang, S. J. Jenkins, M. Malek, J. M. McElwee, O. Stone, M. D. Thiesse, L. F. Thompson, H. Okazawa, S. B. Kim, J. W. Seo, I. Yu, K. Nishijima, M. Koshiba, K. Nakagiri, Y. Nakajima, K. Iwamoto, N. Taniuchi, M. Yokoyama, K. Martens, P. de Perio, M. R. Vagins, M. Kuze, S. Izumiyama, T. Yoshida, M. Inomoto, M. Ishitsuka, H. Ito, T. Kinoshita, R. Matsumoto, K. Ohta, Y. Ommura, N. Shigeta, M. Shinoki, T. Suganuma, K. Yamauchi, J. F. Martin, H. A. Tanaka, T. Towstego, R. Akutsu, V. Gousy-Leblanc, M. Hartz, A. Konaka, N. W. Prouse, S. Chen, B. D. Xu, B. Zhang, M. Posiadala-Zezula, D. Hadley, M. Nicholson, M. O’Flaherty, B. Richards, A. Ali, B. Jamieson, J. Walker, Ll. Marti, A. Minamino, G. Pintaudi, R. Sasaki, S. Sano, S. Suzuki, K. Wada, S. Cao, A. ichikawa, K. D. Nakamura, S. Tairafune, K. Choi, Mori, M., Abe, K., Hayato, Y., Hiraide, K., Ieki, K., Ikeda, M., Imaizumi, S., Kameda, J., Kanemura, Y., Kaneshima, R., Kashiwagi, Y., Kataoka, Y., Miki, S., Mine, S., Miura, M., Moriyama, S., Nagao, Y., Nakahata, M., Nakano, Y., Nakayama, S., Noguchi, Y., Okada, T., Okamoto, K., Orii, A., Sato, K., Sekiya, H., Shiba, H., Shimizu, K., Shiozawa, M., Sonoda, Y., Suzuki, Y., Takeda, A., Takemoto, Y., Takenaka, A., Tanaka, H., Tomiya, T., Watanabe, S., Yano, T., Yoshida, S., Han, S., Kajita, T., Okumura, K., Tashiro, T., Wang, X., Xia, J., Megias, G. D., Bravo-Bergu??o, D., Fernandez, P., Labarga, L., Ospina, N., Zaldivar, B., Zsoldos, S., Pointon, B. W., Blaszczyk, F. D. M., Kearns, E., Raaf, J. L., Stone, J. L., Wan, L., Wester, T., Bian, J., Griskevich, N. J., Kropp, W. R., Locke, S., Smy, M. B., Sobel, H. W., Takhistov, V., A., Yankelevich, Hill, J., Kim, J. Y., Lim, I. T., Park, R. G., Bodur, B., Scholberg, K., Walter, C. W., Bernard, L., Coffani, A., Drapier, O., El Hedri, S., Giampaolo, A., Mueller, Th. A., Paganini, P., Quilain, B., Santos, A. D., Ishizuka, T., Nakamura, T., Jang, J. S., Learned, J. G., Anthony, L. H. V., Martin, D., Scott, M., Sztuc, A. A., Uchida, Y., Berardi, V., Catanesi, M. G., Radicioni, E., Calabria, N. F., Nascimento Machado, L., De Rosa, G., Collazuol, G., Iacob, F., Lamoureux, M., Mattiazzi, M., Ludovici, L., Gonin, M., Pronost, G., Maekawa, Y., Nishimura, Y., Fujisawa, C., Friend, M., Hasegawa, T., Ishida, T., Kobayashi, T., Jakkapu, M., Matsubara, T., Nakadaira, T., Nakamura, K., Oyama, Y., Sakashita, K., Sekiguchi, T., Tsukamoto, T., Ozaki, H., Shiozawa, T., Suzuki, A. T., Takeuchi, Y., Yamamoto, S., Kotsar, Y., Ashida, Y., Bronner, C., Feng, J., Hirota, S., Kikawa, T., Nakaya, T., Wendell, R. A., Yasutome, K., Mccauley, N., Mehta, P., Tsui, K. M., Fukuda, Y., Itow, Y., Menjo, H., Ninomiya, K., Niwa, T., Tsukada, M., Lagoda, J., Lakshmi, S. M., Mijakowski, P., Zalipska, J., Mandal, M., Prabhu, Y. S., Jiang, J., Jung, C. K., Vilela, C., Wilking, M. J., Yanagisawa, C., Jia, M., Hagiwara, K., Harada, M., Horai, T., Ishino, H., Ito, S., Kitagawa, H., Koshio, Y., Ma, W., Nakanishi, F., Piplani, N., Sakai, S., Barr, G., Barrow, D., Cook, L., Samani, S., Wark, D., Nova, F., Boschi, T., Gao, J., Goldsack, A., Katori, T., Di Lodovico, F., Migenda, J., Taani, M., Yang, J. Y., Jenkins, S. J., Malek, M., Mcelwee, J. M., Stone, O., Thiesse, M. D., Thompson, L. F., Okazawa, H., Kim, S. B., Seo, J. W., Yu, I., Nishijima, K., Koshiba, M., Nakagiri, K., Nakajima, Y., Iwamoto, K., Taniuchi, N., Yokoyama, M., Martens, K., de Perio, P., Vagins, M. R., Kuze, M., Izumiyama, S., Yoshida, T., Inomoto, M., Ishitsuka, M., Ito, H., Kinoshita, T., Matsumoto, R., Ohta, K., Ommura, Y., Shigeta, N., Shinoki, M., Suganuma, T., Yamauchi, K., Martin, J. F., Tanaka, H. A., Towstego, T., Akutsu, R., Gousy-Leblanc, V., Hartz, M., Konaka, A., Prouse, N. W., Chen, S., Xu, B. D., Zhang, B., Posiadala-Zezula, M., Hadley, D., Nicholson, M., O???flaherty, M., Richards, B., Ali, A., Jamieson, B., Walker, J., Marti, Ll., Minamino, A., Pintaudi, G., Sasaki, R., Sano, S., Suzuki, S., Wada, K., Cao, S., Ichikawa, A., Nakamura, K. D., Tairafune, S., and Choi, K.
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, High Energy Physics - Experiment, Supernova neutrinos, High Energy Physics - Experiment (hep-ex), Space and Planetary Science, Core-collapse supernovae Supernova neutrinos Particle astrophysics, Core-collapse supernovae, Particle astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics::Galaxy Astrophysics
Abstract: Super-Kamiokande has been searching for neutrino bursts characteristic of core-collapse supernovae continuously, in real time, since the start of operations in 1996. The present work focuses on detecting more distant supernovae whose event rate may be too small to trigger in real time, but may be identified using an offline approach. The analysis of data collected from 2008 to 2018 found no evidence of distant supernovae bursts. This establishes an upper limit of 0.29 yr−1 on the rate of core-collapse supernovae out to 100 kpc at 90% C.L. For supernovae that fail to explode and collapse directly to black holes the limit reaches to 300 kpc.
Published: 2022

30. Depression increases in patients with Parkinson?s disease according to the increasing severity of the cognitive impairment

Author: Marcos Hortes N. Chagas, Tais S. Moriyama, André C. Felício, Ana Luisa Sosa, Rodrigo A. Bressan, and Cleusa P. Ferri
Subjects: parkinsonismo, depressão, prejuízo cognitivo, doença de Parkinson, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Abstract: Objective : To test the hypothesis that severity of cognitive impairment modifies the association between depression and Parkinson’s disease (PD). Method : One-phase population-based door-to-door surveys. This is a secondary analysis of 1,451 people aged 65 years and older with cognitive impairment living in defined catchment areas. Depression was estimated according to ICD-10, self-reported PD, disability according to WHODAS-II and cognitive status according to the CSI-D. Results : The mean age of the sample was 79.3 years old and most (69%) were women. Of the total sample, 16.1% had depression and it was significantly higher among participants with PD. There was an increase on the ORs of the association between depression and PD with decreased scores in the cognitive test (Adjusted OR from 0.98 to 8.04). Conclusion : The association between depression and PD increases with the severity of the cognitive impairment.
Published: 2014
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31. Retrospective analysis of clinical and pathological findings of 12 heterozygous calves with cholesterol deficiency-like symptoms

Author: S. Kudo, S. Moriyama, K. Watanabe, N. Horiuchi, Y. Kobayashi, and H. Inokuma
Subjects: General Medicine
Published: 2021

32. First gadolinium loading to Super-Kamiokande

Author: K. Abe, C. Bronner, Y. Hayato, K. Hiraide, M. Ikeda, S. Imaizumi, J. Kameda, Y. Kanemura, Y. Kataoka, S. Miki, M. Miura, S. Moriyama, Y. Nagao, M. Nakahata, S. Nakayama, T. Okada, K. Okamoto, A. Orii, G. Pronost, H. Sekiya, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, A. Takenaka, H. Tanaka, S. Watanabe, T. Yano, S. Han, T. Kajita, K. Okumura, T. Tashiro, J. Xia, G.D. Megias, D. Bravo-Berguño, L. Labarga, Ll. Marti, B. Zaldivar, B.W. Pointon, F.d.M. Blaszczyk, E. Kearns, J.L. Raaf, J.L. Stone, L. Wan, T. Wester, J. Bian, N.J. Griskevich, W.R. Kropp, S. Locke, S. Mine, M.B. Smy, H.W. Sobel, V. Takhistov, J. Hill, J.Y. Kim, I.T. Lim, R.G. Park, B. Bodur, K. Scholberg, C.W. Walter, L. Bernard, A. Coffani, O. Drapier, S. El Hedri, A. Giampaolo, M. Gonin, Th.A. Mueller, P. Paganini, B. Quilain, T. Ishizuka, T. Nakamura, J.S. Jang, J.G. Learned, L.H.V. Anthony, D. Martin, M. Scott, A.A. Sztuc, Y. Uchida, S. Cao, V. Berardi, M.G. Catanesi, E. Radicioni, N.F. Calabria, L.N. Machado, G. De Rosa, G. Collazuol, F. Iacob, M. Lamoureux, M. Mattiazzi, N. Ospina, L. Ludovici, Y. Maekawa, Y. Nishimura, M. Friend, T. Hasegawa, T. Ishida, T. Kobayashi, M. Jakkapu, T. Matsubara, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, T. Boschi, J. Gao, F. Di Lodovico, J. Migenda, M. Taani, S. Zsoldos, Y. Kotsar, Y. Nakano, H. Ozaki, T. Shiozawa, A.T. Suzuki, Y. Takeuchi, S. Yamamoto, A. Ali, Y. Ashida, J. Feng, S. Hirota, T. Kikawa, M. Mori, T. Nakaya, R.A. Wendell, K. Yasutome, P. Fernandez, N. McCauley, P. Mehta, K.M. Tsui, Y. Fukuda, Y. Itow, H. Menjo, T. Niwa, K. Sato, M. Tsukada, J. Lagoda, S.M. Lakshmi, P. Mijakowski, J. Zalipska, J. Jiang, C.K. Jung, C. Vilela, M.J. Wilking, C. Yanagisawa, K. Hagiwara, M. Harada, T. Horai, H. Ishino, S. Ito, F. Kitagawa, Y. Koshio, W. Ma, N. Piplani, S. Sakai, G. Barr, D. Barrow, L. Cook, A. Goldsack, S. Samani, D. Wark, F. Nova, J.Y. Yang, S.J. Jenkins, M. Malek, J.M. McElwee, O. Stone, M.D. Thiesse, L.F. Thompson, H. Okazawa, S.B. Kim, J.W. Seo, I. Yu, A.K. Ichikawa, K. Nishijima, M. Koshiba, K. Iwamoto, Y. Nakajima, N. Ogawa, M. Yokoyama, K. Martens, M.R. Vagins, M. Kuze, S. Izumiyama, T. Yoshida, M. Inomoto, M. Ishitsuka, H. Ito, T. Kinoshita, R. Matsumoto, K. Ohta, M. Shinoki, T. Suganuma, J.F. Martin, H.A. Tanaka, T. Towstego, R. Akutsu, M. Hartz, A. Konaka, P. de Perio, N.W. Prouse, S. Chen, B.D. Xu, M. Posiadala-Zezula, D. Hadley, M. O’Flaherty, B. Richards, B. Jamieson, J. Walker, A. Minamino, G. Pintaudi, S. Sano, R. Sasaki, Abe, K., Bronner, C., Hayato, Y., Hiraide, K., Ikeda, M., Imaizumi, S., Kameda, J., Kanemura, Y., Kataoka, Y., Miki, S., Miura, M., Moriyama, S., Nagao, Y., Nakahata, M., Nakayama, S., Okada, T., Okamoto, K., Orii, A., Pronost, G., Sekiya, H., Shiozawa, M., Sonoda, Y., Suzuki, Y., Takeda, A., Takemoto, Y., Takenaka, A., Tanaka, H., Watanabe, S., Yano, T., Han, S., Kajita, T., Okumura, K., Tashiro, T., Xia, J., Megias, G. D., Bravo-Berguno, D., Labarga, L., Marti, L., Zaldivar, B., Pointon, B. W., Blaszczyk, F. D. M., Kearns, E., Raaf, J. L., Stone, J. L., Wan, L., Wester, T., Bian, J., Griskevich, N. J., Kropp, W. R., Locke, S., Mine, S., Smy, M. B., Sobel, H. W., Takhistov, V., Hill, J., Kim, J. Y., Lim, I. T., Park, R. G., Bodur, B., Scholberg, K., Walter, C. W., Bernard, L., Coffani, A., Drapier, O., Hedri, S. E., Giampaolo, A., Gonin, M., Mueller, T. A., Paganini, P., Quilain, B., Ishizuka, T., Nakamura, T., Jang, J. S., Learned, J. G., Anthony, L. H. V., Martin, D., Scott, M., Sztuc, A. A., Uchida, Y., Cao, S., Berardi, V., Catanesi, M. G., Radicioni, E., Calabria, N. F., Nascimento Machado, L., De Rosa, G., Collazuol, G., Iacob, F., Lamoureux, M., Mattiazzi, M., Ospina, N., Ludovici, L., Maekawa, Y., Nishimura, Y., Friend, M., Hasegawa, T., Ishida, T., Kobayashi, T., Jakkapu, M., Matsubara, T., Nakadaira, T., Nakamura, K., Oyama, Y., Sakashita, K., Sekiguchi, T., Tsukamoto, T., Boschi, T., Gao, J., Di Lodovico, F., Migenda, J., Taani, M., Zsoldos, S., Kotsar, Y., Nakano, Y., Ozaki, H., Shiozawa, T., Suzuki, A. T., Takeuchi, Y., Yamamoto, S., Ali, A., Ashida, Y., Feng, J., Hirota, S., Kikawa, T., Mori, M., Nakaya, T., Wendell, R. A., Yasutome, K., Fernandez, P., Mccauley, N., Mehta, P., Tsui, K. M., Fukuda, Y., Itow, Y., Menjo, H., Niwa, T., Sato, K., Tsukada, M., Lagoda, J., Lakshmi, S. M., Mijakowski, P., Zalipska, J., Jiang, J., Jung, C. K., Vilela, C., Wilking, M. J., Yanagisawa, C., Hagiwara, K., Harada, M., Horai, T., Ishino, H., Ito, S., Kitagawa, F., Koshio, Y., Ma, W., Piplani, N., Sakai, S., Barr, G., Barrow, D., Cook, L., Goldsack, A., Samani, S., Wark, D., Nova, F., Yang, J. Y., Jenkins, S. J., Malek, M., Mcelwee, J. M., Stone, O., Thiesse, M. D., Thompson, L. F., Okazawa, H., Kim, S. B., Seo, J. W., Yu, I., Ichikawa, A. K., Nishijima, K., Koshiba, M., Iwamoto, K., Nakajima, Y., Ogawa, N., Yokoyama, M., Martens, K., Vagins, M. R., Kuze, M., Izumiyama, S., Yoshida, T., Inomoto, M., Ishitsuka, M., Ito, H., Kinoshita, T., Matsumoto, R., Ohta, K., Shinoki, M., Suganuma, T., Martin, J. F., Tanaka, H. A., Towstego, T., Akutsu, R., Hartz, M., Konaka, A., de Perio, P., Prouse, N. W., Chen, S., Xu, B. D., Posiadala-Zezula, M., Hadley, D., O'Flaherty, M., Richards, B., Jamieson, B., Walker, J., Minamino, A., Pintaudi, G., Sano, S., and Sasaki, R.
Subjects: Nuclear and High Energy Physics, Gadolinium Neutrino Neutron Water Cherenkov detector, Physics - Instrumentation and Detectors, 010308 nuclear & particles physics, FOS: Physical sciences, Gadolinium, Neutron, Instrumentation and Detectors (physics.ins-det), 01 natural sciences, Water Cherenkov detector, 0103 physical sciences, Neutrino, 010306 general physics, Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation, Instrumentation and Methods for Astrophysics (astro-ph.IM)
Abstract: In order to improve Super-Kamiokande's neutron detection efficiency and to thereby increase its sensitivity to the diffuse supernova neutrino background flux, 13 tons of $\rm Gd_2(\rm SO_4)_3\cdot \rm 8H_2O$ (gadolinium sulfate octahydrate) was dissolved into the detector's otherwise ultrapure water from July 14 to August 17, 2020, marking the start of the SK-Gd phase of operations. During the loading, water was continuously recirculated at a rate of 60 m$^3$/h, extracting water from the top of the detector and mixing it with concentrated $\rm Gd_2(\rm SO_4)_3\cdot \rm 8H_2O$ solution to create a 0.02% solution of the Gd compound before injecting it into the bottom of the detector. A clear boundary between the Gd-loaded and pure water was maintained through the loading, enabling monitoring of the loading itself and the spatial uniformity of the Gd concentration over the 35 days it took to reach the top of the detector. During the subsequent commissioning the recirculation rate was increased to 120 m$^3$/h, resulting in a constant and uniform distribution of Gd throughout the detector and water transparency equivalent to that of previous pure-water operation periods. Using an Am-Be neutron calibration source the mean neutron capture time was measured to be $115\pm1$ $\mu$s, which corresponds to a Gd concentration of $111\pm2$ ppm, as expected for this level of Gd loading. This paper describes changes made to the water circulation system for this detector upgrade, the Gd loading procedure, detector commissioning, and the first neutron calibration measurements in SK-Gd., Comment: 37 pages, 19 Figures, Accepted for publication in Nucl. Instrum. Meth. A
Published: 2022

33. Development of Automatic Dam Concrete Production, Conveyance and Placing System, and Its Application to the Yanagawa Dam Construction

Author: H. Mori, S. Moriyama, S. Tachihana, and N. Yamashita
Subjects: Engineering, business.industry, Production (economics), General Materials Science, business, Civil engineering
Published: 2020

34. Double-weak decays of and in the XENON1T and XENONnT experiments

Author: E. Aprile, K. Abe, F. Agostini, S. Ahmed Maouloud, M. Alfonsi, L. Althueser, B. Andrieu, E. Angelino, J. R. Angevaare, V. C. Antochi, D. Ant??n Martin, F. Arneodo, L. Baudis, A. L. Baxter, L. Bellagamba, R. Biondi, A. Bismark, A. Brown, S. Bruenner, G. Bruno, R. Budnik, C. Cai, C. Capelli, J. M. R. Cardoso, D. Cichon, M. Clark, A. P. Colijn, J. Conrad, J. J. Cuenca-Garc??a, J. P. Cussonneau, V. D'Andrea, M. P. Decowski, P. Di Gangi, S. Di Pede, A. Di Giovanni, R. Di Stefano, S. Diglio, K. Eitel, A. Elykov, S. Farrell, A. D. Ferella, H. Fischer, W. Fulgione, P. Gaemers, R. Gaior, A. Gallo Rosso, M. Galloway, F. Gao, R. Glade-Beucke, L. Grandi, J. Grigat, M. Guida, A. Higuera, C. Hils, L. Hoetzsch, J. Howlett, M. Iacovacci, Y. Itow, J. Jakob, F. Joerg, A. Joy, N. Kato, M. Kara, P. Kavrigin, S. Kazama, M. Kobayashi, G. Koltman, A. Kopec, H. Landsman, R. F. Lang, L. Levinson, I. Li, S. Li, S. Liang, S. Lindemann, M. Lindner, K. Liu, J. Loizeau, F. Lombardi, J. Long, J. A. M. Lopes, Y. Ma, C. Macolino, J. Mahlstedt, A. Mancuso, L. Manenti, A. Manfredini, F. Marignetti, T. Marrod??n Undagoitia, K. Martens, J. Masbou, D. Masson, E. Masson, S. Mastroianni, M. Messina, K. Miuchi, K. Mizukoshi, A. Molinario, S. Moriyama, K. Mor??, Y. Mosbacher, M. Murra, J. M??ller, K. Ni, U. Oberlack, B. Paetsch, J. Palacio, R. Peres, J. Pienaar, M. Pierre, V. Pizzella, G. Plante, J. Qi, J. Qin, D. Ram??rez Garc??a, S. Reichard, A. Rocchetti, N. Rupp, L. Sanchez, J. M. F. dos Santos, I. Sarnoff, G. Sartorelli, J. Schreiner, D. Schulte, P. Schulte, H. Schulze Ei??ing, M. Schumann, L. Scotto Lavina, M. Selvi, F. Semeria, P. Shagin, S. Shi, E. Shockley, M. Silva, H. Simgen, A. Takeda, P. -L. Tan, A. Terliuk, D. Thers, F. Toschi, G. Trinchero, C. Tunnell, F. T??nnies, K. Valerius, G. Volta, Y. Wei, C. Weinheimer, M. Weiss, D. Wenz, C. Wittweg, T. Wolf, Z. Xu, M. Yamashita, L. Yang, J. Ye, L. Yuan, G. Zavattini, S. Zerbo, M. Zhong, T. Zhu, Aprile, E., Abe, K., Agostini, F., Ahmed Maouloud, S., Alfonsi, M., Althueser, L., Andrieu, B., Angelino, E., Angevaare, J. R., Antochi, V. C., Ant??n Martin, D., Arneodo, F., Baudis, L., Baxter, A. L., Bellagamba, L., Biondi, R., Bismark, A., Brown, A., Bruenner, S., Bruno, G., Budnik, R., Cai, C., Capelli, C., Cardoso, J. M. R., Cichon, D., Clark, M., Colijn, A. P., Conrad, J., Cuenca-Garc??a, J. J., Cussonneau, J. P., D'Andrea, V., Decowski, M. P., Di Gangi, P., Di Pede, S., Di Giovanni, A., Di Stefano, R., Diglio, S., Eitel, K., Elykov, A., Farrell, S., Ferella, A. D., Fischer, H., Fulgione, W., Gaemers, P., Gaior, R., Gallo Rosso, A., Galloway, M., Gao, F., Glade-Beucke, R., Grandi, L., Grigat, J., Guida, M., Higuera, A., Hils, C., Hoetzsch, L., Howlett, J., Iacovacci, M., Itow, Y., Jakob, J., Joerg, F., Joy, A., Kato, N., Kara, M., Kavrigin, P., Kazama, S., Kobayashi, M., Koltman, G., Kopec, A., Landsman, H., Lang, R. F., Levinson, L., Li, I., Li, S., Liang, S., Lindemann, S., Lindner, M., Liu, K., Loizeau, J., Lombardi, F., Long, J., Lopes, J. A. M., Ma, Y., Macolino, C., Mahlstedt, J., Mancuso, A., Manenti, L., Manfredini, A., Marignetti, F., Marrod??n Undagoitia, T., Martens, K., Masbou, J., Masson, D., Masson, E., Mastroianni, S., Messina, M., Miuchi, K., Mizukoshi, K., Molinario, A., Moriyama, S., Mor??, K., Mosbacher, Y., Murra, M., M??ller, J., Ni, K., Oberlack, U., Paetsch, B., Palacio, J., Peres, R., Pienaar, J., Pierre, M., Pizzella, V., Plante, G., Qi, J., Qin, J., Ram??rez Garc??a, D., Reichard, S., Rocchetti, A., Rupp, N., Sanchez, L., dos Santos, J. M. F., Sarnoff, I., Sartorelli, G., Schreiner, J., Schulte, D., Schulte, P., Schulze Ei??ing, H., Schumann, M., Scotto Lavina, L., Selvi, M., Semeria, F., Shagin, P., Shi, S., Shockley, E., Silva, M., Simgen, H., Takeda, A., Tan, P. -L., Terliuk, A., Thers, D., Toschi, F., Trinchero, G., Tunnell, C., T??nnies, F., Valerius, K., Volta, G., Wei, Y., Weinheimer, C., Weiss, M., Wenz, D., Wittweg, C., Wolf, T., Xu, Z., Yamashita, M., Yang, L., Ye, J., Yuan, L., Zavattini, G., Zerbo, S., Zhong, M., and Zhu, T.
Subjects: Double beta decay
Abstract: We present results on the search for two-neutrino double-electron capture (2νECEC) of 124Xe and neutrinoless double-β decay (0νββ) of 136Xe in XENON1T. We consider captures from the K shell up to the N shell in the 2νECEC signal model and measure a total half-life of T2νECEC1/2=(1.1±0.2stat±0.1sys)×1022yr with a 0.87kgyr isotope exposure. The statistical significance of the signal is 7.0σ. We use XENON1T data with 36.16kgyr of 136Xe exposure to search for 0νββ. We find no evidence of a signal and set a lower limit on the half-life of T0νββ1/2>1.2×1024yrat90%CL. This is the best result from a dark matter detector without an enriched target to date. We also report projections on the sensitivity of XENONnT to 0νββ. Assuming a 275kgyr 136Xe exposure, the expected sensitivity is T0νββ1/2>2.1×1025yrat90%CL, corresponding to an effective Majorana mass range of ⟨mββ⟩
Published: 2022

35. Search for proton decay via p -> μ+K0 in 0.37 megaton-years exposure of Super-Kamiokande

Author: Super-Kamiokande Collaboration: R. Matsumoto, K. Abe, Y. Hayato, K. Hiraide, K. Ieki, M. Ikeda, J. Kameda, Y. Kanemura, R. Kaneshima, Y. Kashiwagi, Y. Kataoka, S. Miki, S. Mine, M. Miura, S. Moriyama, Y. Nakano, M. Nakahata, S. Nakayama, Y. Noguchi, K. Okamoto, K. Sato, H. Sekiya, H. Shiba, K. Shimizu, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, A. Takenaka, H. Tanaka, S. Watanabe
Published: 2022
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36. Neutron tagging following atmospheric neutrino events in a water Cherenkov detector

Author: K. Abe, Y. Haga, Y. Hayato, K. Hiraide, K. Ieki, M. Ikeda, S. Imaizumi, K. Iyogi, J. Kameda, Y. Kanemura, Y. Kataoka, Y. Kato, Y. Kishimoto, S. Miki, S. Mine, M. Miura, T. Mochizuki, S. Moriyama, Y. Nagao, M. Nakahata, T. Nakajima, Y. Nakano, S. Nakayama, T. Okada, K. Okamoto, A. Orii, K. Sato, H. Sekiya, M. Shiozawa, Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, A. Takenaka, H. Tanaka, S. Tasaka, T. Tomura, K. Ueno, S. Watanabe, T. Yano, T. Yokozawa, S. Han, T. Irvine, T. Kajita, I. Kametani, K. Kaneyuki, K.P. Lee, T. McLachlan, K. Okumura, E. Richard, T. Tashiro, R. Wang, J. Xia, G.D. Megias, D. Bravo-Berguño, L. Labarga, B. Zaldivar, M. Goldhaber, F.d.M. Blaszczyk, J. Gustafson, C. Kachulis, E. Kearns, J.L. Raaf, J.L. Stone, L.R. Sulak, S. Sussman, L. Wan, T. Wester, B.W. Pointon, J. Bian, G. Carminati, M. Elnimr, N.J. Griskevich, W.R. Kropp, S. Locke, A. Renshaw, M.B. Smy, H.W. Sobel, V. Takhistov, P. Weatherly, K.S. Ganezer, B.L. Hartfiel, J. Hill, W.E. Keig, N. Hong, J.Y. Kim, I.T. Lim, R.G. Park, T. Akiri, B. Bodur, A. Himmel, Z. Li, E. O'Sullivan, K. Scholberg, C.W. Walter, T. Wongjirad, L. Bernard, A. Coffani, O. Drapier, S. El Hedri, A. Giampaolo, J. Imber, Th.A. Mueller, P. Paganini, B. Quilain, T. Ishizuka, T. Nakamura, J.S. Jang, K. Choi, J.G. Learned, S. Matsuno, S.N. Smith, J. Amey, L.H.V. Anthony, R.P. Litchfield, W.Y. Ma, D. Marin, A.A. Sztuc, Y. Uchida, M.O. Wascko, V. Berardi, M.G. Catanesi, R.A. Intonti, E. Radicioni, N.F. Calabria, G. De Rosa, L.N. Machado, G. Collazuol, F. Iacob, M. Lamoureux, N. Ospina, L. Ludovici, M. Gonin, G. Pronost, Y. Maekawa, Y. Nishimura, S. Cao, M. Friend, T. Hasegawa, T. Ishida, T. Ishii, M. Jakkapu, T. Kobayashi, T. Matsubara, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, T. Boschi, F. Di Lodovico, J. Migenda, S. Molina Sedgwick, M. Taani, S. Zsoldos, K.E. Abe, M. Hasegawa, Y. Isobe, Y. Kotsar, H. Miyabe, H. Ozaki, T. Shiozawa, T. Sugimoto, A.T. Suzuki, Y. Takeuchi, S. Yamamoto, A. Ali, Y. Ashida, C. Bronner, J. Feng, T. Hayashino, T. Hiraki, S. Hirota, K. Huang, M. Jiang, T. Kikawa, M. Mori, A. Murakami, KE. Nakamura, T. Nakaya, N.D. Patel, K. Suzuki, S. Takahashi, K. Tateishi, R.A. Wendell, K. Yasutome, P. Fernandez, N. McCauley, P. Mehta, A. Pritchard, K.M. Tsui, Y. Fukuda, Y. Itow, H. Menjo, G. Mitsuka, M. Murase, F. Muto, T. Niwa, T. Suzuki, M. Tsukada, K. Frankiewicz, P. Mijakowski, J. Hignight, J. Jiang, C.K. Jung, X. Li, J.L. Palomino, G. Santucci, C. Vilela, M.J. Wilking, C. Yanagisawa, D. Fukuda, K. Hagiwara, M. Harada, T. Horai, H. Ishino, S. Ito, T. Kayano, A. Kibayashi, H. Kitagawa, Y. Koshio, W. Ma, T. Mori, H. Nagata, N. Piplani, S. Sakai, M. Sakuda, Y. Takahira, C. Xu, R. Yamaguchi, Y. Kuno, G. Barr, D. Barrow, L. Cook, A. Goldsack, S. Samani, C. Simpson, D. Wark, F. Nova, R. Tacik, J.Y. Yang, A. Cole, S.J. Jenkins, M. Malek, J.M. McElwee, O. Stone, M.D. Thiesse, L.F. Thompson, H. Okazawa, Y. Choi, S.B. Kim, I. Yu, A.K. Ichikawa, K. Ito, K. Nishijima, R.G. Calland, P. de Perio, K. Martens, M. Murdoch, M.R. Vagins, M. Koshiba, Y. Totsuka, K. Iwamoto, Y. Nakajima, N. Ogawa, Y. Suda, M. Yokoyama, D. Hamabe, S. Izumiyama, M. Kuze, Y. Okajima, M. Tanaka, T. Yoshida, M. Inomoto, M. Ishitsuka, H. Ito, R. Matsumoto, K. Ohta, M. Shinoki, J.F. Martin, C.M. Nantais, H.A. Tanaka, T. Towstego, R. Akutsu, M. Hartz, A. Konaka, N.W. Prouse, S. Chen, B.D. Xu, Y. Zhang, S. Berkman, S. Tobayama, K. Connolly, R.J. Wilkes, M. Posiadala-Zezula, D. Hadley, B. Richards, B. Jamieson, J. Walker, Ll. Marti, A. Minamino, G. Pintaudi, S. Sano, R. Sasaki, Abe, K., Haga, Y., Hayato, Y., Hiraide, K., Ieki, K., Ikeda, M., Imaizumi, S., Iyogi, K., Kameda, J., Kanemura, Y., Kataoka, Y., Kato, Y., Kishimoto, Y., Miki, S., Mine, S., Miura, M., Mochizuki, T., Moriyama, S., Nagao, Y., Nakahata, M., Nakajima, T., Nakano, Y., Nakayama, S., Okada, T., Okamoto, K., Orii, A., Sato, K., Sekiya, H., Shiozawa, M., Sonoda, Y., Suzuki, Y., Takeda, A., Takemoto, Y., Takenaka, A., Tanaka, H., Tasaka, S., Tomura, T., Ueno, K., Watanabe, S., Yano, T., Yokozawa, T., Han, S., Irvine, T., Kajita, T., Kametani, I., Kaneyuki, K., Lee, K. P., Mclachlan, T., Okumura, K., Richard, E., Tashiro, T., Wang, R., Xia, J., Megias, G. D., Bravo-Bergu??o, D., Labarga, L., Zaldivar, B., Goldhaber, M., Blaszczyk, F. d. M., Gustafson, J., Kachulis, C., Kearns, E., Raaf, J. L., Stone, J. L., Sulak, L. R., Sussman, S., Wan, L., Wester, T., Pointon, B. W., Bian, J., Carminati, G., Elnimr, M., Griskevich, N. J., Kropp, W. R., Locke, S., Renshaw, A., Smy, M. B., Sobel, H. W., Takhistov, V., Weatherly, P., Ganezer, K. S., Hartfiel, B. L., Hill, J., Keig, W. E., Hong, N., Kim, J. Y., Lim, I. T., Park, R. G., Akiri, T., Bodur, B., Himmel, A., Li, Z., O'Sullivan, E., Scholberg, K., Walter, C. W., Wongjirad, T., Bernard, L., Coffani, A., Drapier, O., El Hedri, S., Giampaolo, A., Imber, J., Mueller, Th. A., Paganini, P., Quilain, B., Ishizuka, T., Nakamura, T., Jang, J. S., Choi, K., Learned, J. G., Matsuno, S., Smith, S. N., Amey, J., Anthony, L. H. V., Litchfield, R. P., Ma, W. Y., Marin, D., Sztuc, A. A., Uchida, Y., Wascko, M. O., Berardi, V., Catanesi, M. G., Intonti, R. A., Radicioni, E., Calabria, N. F., De Rosa, G., Nascimento Machado, L., Collazuol, G., Iacob, F., Lamoureux, M., Ospina, N., Ludovici, L., Gonin, M., Pronost, G., Maekawa, Y., Nishimura, Y., Cao, S., Friend, M., Hasegawa, T., Ishida, T., Ishii, T., Jakkapu, M., Kobayashi, T., Matsubara, T., Nakadaira, T., Nakamura, K., Oyama, Y., Sakashita, K., Sekiguchi, T., Tsukamoto, T., Boschi, T., Di Lodovico, F., Migenda, J., Molina Sedgwick, S., Taani, M., Zsoldos, S., Abe, K. E., Hasegawa, M., Isobe, Y., Kotsar, Y., Miyabe, H., Ozaki, H., Shiozawa, T., Sugimoto, T., Suzuki, A. T., Takeuchi, Y., Yamamoto, S., Ali, A., Ashida, Y., Bronner, C., Feng, J., Hayashino, T., Hiraki, T., Hirota, S., Huang, K., Jiang, M., Kikawa, T., Mori, M., Murakami, A., Nakamura, Ke., Nakaya, T., Patel, N. D., Suzuki, K., Takahashi, S., Tateishi, K., Wendell, R. A., Yasutome, K., Fernandez, P., Mccauley, N., Mehta, P., Pritchard, A., Tsui, K. M., Fukuda, Y., Itow, Y., Menjo, H., Mitsuka, G., Murase, M., Muto, F., Niwa, T., Suzuki, T., Tsukada, M., Frankiewicz, K., Mijakowski, P., Hignight, J., Jiang, J., Jung, C. K., Li, X., Palomino, J. L., Santucci, G., Vilela, C., Wilking, M. J., Yanagisawa, C., Fukuda, D., Hagiwara, K., Harada, M., Horai, T., Ishino, H., Ito, S., Kayano, T., Kibayashi, A., Kitagawa, H., Koshio, Y., Ma, W., Mori, T., Nagata, H., Piplani, N., Sakai, S., Sakuda, M., Takahira, Y., Xu, C., Yamaguchi, R., Kuno, Y., Barr, G., Barrow, D., Cook, L., Goldsack, A., Samani, S., Simpson, C., Wark, D., Nova, F., Tacik, R., Yang, J. Y., Cole, A., Jenkins, S. J., Malek, M., Mcelwee, J. M., Stone, O., Thiesse, M. D., Thompson, L. F., Okazawa, H., Choi, Y., Kim, S. B., Yu, I., Ichikawa, A. K., Ito, K., Nishijima, K., Calland, R. G., de Perio, P., Martens, K., Murdoch, M., Vagins, M. R., Koshiba, M., Totsuka, Y., Iwamoto, K., Nakajima, Y., Ogawa, N., Suda, Y., Yokoyama, M., Hamabe, D., Izumiyama, S., Kuze, M., Okajima, Y., Tanaka, M., Yoshida, T., Inomoto, M., Ishitsuka, M., Ito, H., Matsumoto, R., Ohta, K., Shinoki, M., Martin, J. F., Nantais, C. M., Tanaka, H. A., Towstego, T., Akutsu, R., Hartz, M., Konaka, A., Prouse, N. W., Chen, S., Xu, B. D., Zhang, Y., Berkman, S., Tobayama, S., Connolly, K., Wilkes, R. J., Posiadala-Zezula, M., Hadley, D., Richards, B., Jamieson, B., Walker, J., Marti, Ll., Minamino, A., Pintaudi, G., Sano, S., and Sasaki, R.
Subjects: Physics - Instrumentation and Detectors, Large detector systems for particle and astroparticle physics, hep-ex, Cherenkov detectors, FOS: Physical sciences, Acceleratorfysik och instrumentering, Instrumentation and Detectors (physics.ins-det), Accelerator Physics and Instrumentation, High Energy Physics - Experiment, Subatomär fysik, High Energy Physics - Experiment (hep-ex), Particle identification methods, Neutrino detectors, Subatomic Physics, Cherenkov detectors Large detector systems for particle and astroparticle physics Neutrino detectors Particle identification methods, Detectors and Experimental Techniques, Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation, Instrumentation and Methods for Astrophysics (astro-ph.IM), physics.ins-det, Mathematical Physics, Particle Physics - Experiment, astro-ph.IM
Abstract: We present the development of neutron-tagging techniques in Super-Kamiokande IV using a neural network analysis. The detection efficiency of neutron capture on hydrogen is estimated to be 26%, with a mis-tag rate of 0.016 per neutrino event. The uncertainty of the tagging efficiency is estimated to be 9.0%. Measurement of the tagging efficiency with data from an Americium-Beryllium calibration agrees with this value within 10%. The tagging procedure was performed on 3,244.4 days of SK-IV atmospheric neutrino data, identifying 18,091 neutrons in 26,473 neutrino events. The fitted neutron capture lifetime was measured as 218±9 μs. We present the development of neutron-tagging techniques in Super-Kamiokande IV using a neural network analysis. The detection efficiency of neutron capture on hydrogen is estimated to be 26%, with a mis-tag rate of 0.016 per neutrino event. The uncertainty of the tagging efficiency is estimated to be 9.0%. Measurement of the tagging efficiency with data from an Americium-Beryllium calibration agrees with this value within 10%. The tagging procedure was performed on 3,244.4 days of SK-IV atmospheric neutrino data, identifying 18,091 neutrons in 26,473 neutrino events. The fitted neutron capture lifetime was measured as 218 \pm 9 \mu s.
Published: 2022

37. A clinical case of autosomal recessive cholesterol deficiency in a 29-month-old Holstein dairy cow homozygous for the causative gene

Author: N. Horiuchi, S. Moriyama, K. Kiuchi, Kenichi Watanabe, H. Fujita, Yoshiyasu Kobayashi, and Hisashi Inokuma
Subjects: chemistry.chemical_compound, chemistry, Cholesterol, business.industry, Physiology, Causative gene, Medicine, Clinical case, business
Published: 2019

38. Working memory assessment in schizophrenia and its correlation with executive functions ability Avaliação da memória de trabalho na esquizofrenia e sua correlação com habilidades de funções executivas

Author: Arthur A. Berberian, Bruna T. Trevisan, Tais S. Moriyama, José M. Montiel, José Ari C. Oliveira, and Alessandra G. Seabra
Subjects: Memória, Cognição, Esquizofrenia, Atenção, Avaliação, Memory, Cognition, Schizophrenia, Attention, Evaluation, Psychiatry, RC435-571
Abstract: OBJECTIVE: Working memory impairment is common in schizophrenia and is possibly a cause of multiple features of the disorder. However few studies have replicated such findings of impairment patterns in Brazilian samples. The main target of this study was to assess auditory and visual working memory in patients with schizophrenia, to assess if they work as separate systems, and to correlate working memory deficits with executive functions. METHOD: Twenty subjects with schizophrenia and twenty healthy subjects matched by gender, age, and schooling have participated. The abilities assessed were auditory and visual working memory, selective attention, inhibitory control, cognitive flexibility, and planning. RESULTS: Patients showed declines in all measures evaluated, except for a measure reaction time of inhibitory control. Auditory working memory was correlated to selective attention, inhibition, flexibility and planning while Visual working memory to planning and flexibility. CONCLUSION: The present study suggests that working memory and executive functions deficits are present in patients with schizophrenia in the Brazilian sample evaluated. Alterations in executive functions may lead to incapacity of operation of processes of working memory. These findings may contribute to delineate and develop new strategies of schizophrenia treatment in the Brazilian population.OBJETIVO: Prejuízos em memória de trabalho são comuns na esquizofrenia e possíveis causas de múltiplas características do transtorno. Entretanto, poucos estudos reproduziram achados de padrões específicos de déficits em amostras brasileiras de pacientes com esquizofrenia. O objetivo desta pesquisa foi avaliar a memória de trabalho auditiva e visual na esquizofrenia, verificar se estas habilidades operam como dois sistemas separados, e relacionar possíveis déficits de memória de trabalho com habilidades de funções executivas. MÉTODO: Foram incluídos 20 indivíduos com esquizofrenia e 20 indivíduos saudáveis pareados quanto a sexo, idade e escolaridade. As habilidades avaliadas foram memória de trabalho auditiva e visual, atenção seletiva, controle inibitório, flexibilidade cognitiva e planejamento. RESULTADOS: Os pacientes demonstraram prejuízos em todas as medidas dos testes, exceto em tempo de reação de controle inibitório. Pacientes apresentaram significante correlação entre MT auditiva com medidas de atenção seletiva, controle inibitório, flexibilidade e planejamento. Memória de trabalho visual apresentou correlações com planejamento e flexibilidade. CONCLUSÃO: Este estudo sugere que déficits em memória de trabalho e funções executivas estão presentes em pacientes esquizofrênicos na amostra brasileira avaliada. Alterações nas funções executivas podem levar a incapacidade de adequadas operações de memória de trabalho. Esses achados podem contribuir no delineamento de novos procedimentos de intervenção na esquizofrenia em populações brasileiras.
Published: 2009
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39. Renin-angiotensin system inhibitors can be a first choice drug for hypertension in patients treated with vascular endothelial growth factor inhibitors

Author: S Moriyama, M Hieda, H Fukuda, S Kawano, T Yokoyama, M Fukata, H Kusaba, T Maruyama, E Baba, and K Akashi
Subjects: Cardiology and Cardiovascular Medicine
Abstract: Background Vascular endothelial growth factor Signaling Pathway (VSP) inhibitor suppresses tumor growth in solid cancers with disorganized tumor vasculature.1 However, VSP inhibitor often provokes hypertension as an adverse effect.2 The VSP inhibitor-induced hypertension may lead to a dose reduction or discontinuation of the treatment, which cause to poor prognosis. Therefore, it is important to investigate the appropriate anti-hypertensive treatment during cancer therapy. Although renin-angiotensin system (RAS) inhibitor or calcium channel blocker (CCB) is recommended to first-line anti-hypertensive drugs for cancer patients,3 it has not been well-elucidated whether RAS inhibitor or CCB is a beneficial impact for clinical outcome. Purpose The aim of this study is to clarify whether RAS inhibitor or CCB would be an effective drug as the first antihypertensive drug during VSP inhibitor therapy. Method From the LIFE Study database which consisted of 14 municipality-level information from claims data between 2016 and 2020, 1,263 cancer patients treated with VSP inhibitors were retrospectively reviewed. All patients were stratified into two groups according to hypertensive drugs: (1) RAS inhibitors alone (n=512) and (2) CCBs alone (n=751) (Figure 1). The time to treatment failure (TTF) was substituted as an alternative clinical indicator of overall survival. The Kaplan-Meier survival method with the log-rank test was conducted to compare the TTF between the two groups. In addition, Cox proportional hazard model adjusted with baseline clinical characteristics was performed to analyze determinant factors for TTF. Results There were no difference in baseline characteristics including age, sex, primary cancer site, the type of VSP inhibitors, and past medical histories between the two groups, excepted for renal failure. The rate of renal failure was significantly higher in the RAS inhibitor group than in the CCB group (p=0.013). TTF in the patients treated with RAS inhibitors were significantly longer than that with CCB (median TTF [25th–75th percentile]: 183 [61–455] vs. 153 [61–351] days, p=0.020) (Figure 2). In Cox proportional hazard analysis adjusted with age, sex, past medical history, primary cancer lesion, and type of VSP inhibitors, RAS inhibitor was a significantly independent favorable factor to TTF, compared to CCB (Hazard ratio 0.86, 95% confidence interval [0.77–0.97], p=0.011). Conclusion RAS inhibitor is associated with a favorable clinical outcome than CCB, and can be a first choice for treating hypertension during cancer therapy with VSP inhibitors. Funding Acknowledgement Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Japan Society for the Promotion of Science (JSPS) Grants-in-Aid for Scientific Research (KAKENHI) Figure 1. Patient screening and enrollmentFigure 2. Antihypertensive drugs & TTF
Published: 2021

40. Impact of hypertension on clinical outcome in patients treated with vascular endothelial growth factor inhibitors

Author: S Moriyama, M Hieda, H Fukuda, S Kawano, T Yokoyama, M Fukata, H Kusaba, T Maruyama, E Baba, and K Akashi
Subjects: cardiovascular diseases, Cardiology and Cardiovascular Medicine
Abstract: Background Vascular endothelial growth factor (VEGF) family is overexpressed in the tumor microenvironment and induces tumor angiogenesis.1 VEGF signaling pathway (VSP) inhibitors are essential therapeutic drugs for solid cancer patients.2 However, VSP inhibitors often provoke drug-specific anti-angiogenesis in normal tissues, which was referred to as on-target toxicity.2 Hypertension (HTN) is one of the most frequent adverse events caused by VSP inhibitors. A previous report demonstrated that VSP inhibitor-induced hypertension is a favorable prognostic factor, contrarily.3However, multiple VSP inhibitors are administered in various cancer types, and then the relation between VSP inhibitor-associated hypertension and clinical outcome is still controversial. Purpose The aim of this study is to elucidate the impacts of HTN and the timing of onset on clinical outcome during cancer therapy with VSP inhibitors. Method We reviewed 2,348 patients who were treated with VSP inhibitors from the LIFE Study database, consisting of 14 municipality-level information from claims data between 2016 and 2020. According to the timing of HTN onset mode, the patients were stratified into 3 groups; (1) new-onset HTN group (n=334): de novo development after VSP inhibitor administration, (2) pre-existing HTN group (n=1,363): existing HTN at baseline, including aggravation after VSP inhibitor initiation, and (3) no HTN group (n=651) (Figure 1). The time to treatment failure (TTF) was applied as a surrogate clinical indicator of overall survival. Event-free survival analysis with the log-rank test was conducted for time to first treatment failure amongst the 3 groups. In addition, Cox proportional hazard models adjusted with clinical characteristics were performed to investigate independent factors for TTF. Results In the event-free survival analysis, both the new-onset HTN and the pre-existing HTN were associated with prolongation of TTF, compared to the non-HTN (p Conclusion In patients treated with VSP inhibitors, both new-onset and pre-existing HTN are independent factors for a favorable clinical outcome, especially new-onset HTN after VSP inhibitors administration. Funding Acknowledgement Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Japan Society for the Promotion of Science (JSPS) Grants-in-Aid for Scientific Research (KAKENHI) Figure 1. Patient screening and enrollmentFigure 2. HTN & TTF
Published: 2021

41. Search for neutrinos in coincidence with gravitational wave events from the LIGO–Virgo O3a observing run with the Super-Kamiokande detector

Author: Y. Kanemura, A. Giampaolo, W. R. Kropp, Y. Hayato, A. A. Sztuc, P. Mehta, Pablo Fernandez, T. Hasegawa, F. Iacob, D. Bravo-Berguño, Y. Kuno, T. Towstego, O. Drapier, H. Ito, Sei-ichiro Watanabe, G.D. Barr, J. Bian, N. Piplani, S. Miki, S. V. Cao, M. R. Vagins, K. Martens, Y. Takemoto, L. F. Thompson, S. Imaizumi, A. Coffani, O. Stone, J. S. Jang, M. Taani, Seiko Hirota, T. Kikawa, M. Gonin, J. Xia, Masahiro Kuze, A. Goldsack, S. Han, M. J. Wilking, R. A. Wendell, M. B. Smy, Junjie Jiang, F. Nova, E. Radicioni, Kimihiro Okumura, B. Zaldivar, J. Y. Kim, S. Izumiyama, A. Orii, S. Mine, L. Cook, J. Migenda, John Hill, A. T. Suzuki, K. Okamoto, T. Horai, R. Sasaki, J. F. Martin, J. Kameda, B. Bodur, Yuichi Oyama, T. Nakadaira, J. McElwee, J. L. Stone, I. T. Lim, F. Di Lodovico, D. L. Wark, Vincenzo Berardi, Y. Maekawa, S. El Hedri, T. Sekiguchi, L. Ludovici, Th. A. Mueller, N. Ospina, K. Ohta, G. De Rosa, Hiromasa Tanaka, V. Takhistov, Hiroaki Menjo, C. Simpson, J. G. Learned, K. M. Tsui, P. Mijakowski, J. Y. Yang, K. Abe, J. L. Raaf, M. Tsukada, M. Thiesse, K. Iwamoto, H. K. Tanaka, Yasunari Suzuki, S. Samani, G. D. Megias, A. Konaka, M. G. Catanesi, N. J. Griskevich, Y. Nishimura, David Hadley, F. d. M. Blaszczyk, M. Inomoto, S. Locke, Masaki Ishitsuka, M. Jakkapu, Yusuke Koshio, S. Sakai, D. Barrow, M. Lamoureux, P. Weatherly, P. de Perio, T. Boschi, T. Niwa, K. Nakamura, T. Yoshida, A. Pritchard, C. K. Jung, R. Matsumoto, M. Hartz, T. Shiozawa, C. Vilela, Ahmed Ali, M. Koshiba, Masato Shiozawa, H. Ozaki, T. Tashiro, S. Moriyama, S. Nakayama, R. Akutsu, L. H. V. Anthony, Hussain Kitagawa, S. J. Jenkins, B. Jamieson, R. G. Park, Song Chen, P. Paganini, M. Miura, Masayuki Nakahata, H. W. Sobel, Yuuki Nakano, Y. Uchida, B. D. Xu, Ll. Marti, Kate Scholberg, K. Hagiwara, Yutaka Nakajima, B. W. Pointon, D. Martin, Manabu Tanaka, K. Sato, G. Pintaudi, H. Okazawa, M. Ikeda, L. Wan, S. Molina Sedgwick, Hirokazu Ishino, Y. Kotsar, N. F. Calabria, Yuto Ashida, C. Yanagisawa, E. Kearns, C. Bronner, Masashi Yokoyama, Intae Yu, K. Yasutome, T. Nakamura, G. Collazuol, J. Walker, L. N. Machado, N. Ogawa, K. Nishijima, T. Wester, L. Bernard, T. Ishizuka, M. Harada, Tsuyoshi Nakaya, Y. Nagao, Atsushi Takeda, A. Minamino, Rongkun Wang, S. B. Kim, M. Shinoki, A. K. Ichikawa, N. McCauley, L. Labarga, T. Kobayashi, M. Malek, N. W. Prouse, B. Richards, T. Matsubara, S. Yamamoto, C. W. Walter, K. Sakashita, J. Feng, M. Posiadala-Zezula, W. Ma, B. Quilain, Hiroyuki Sekiya, Y. Kataoka, Y. Fukuda, Y. Takeuchi, T. Kajita, Takatomi Yano, M. Friend, M. Mori, Y. Sonoda, S. Sano, Yoshitaka Itow, G. Pronost, Shintaro Ito, S. Zsoldos, T. Tsukamoto, T. Okada, T. Ishida, A. Takenaka, UAM. Departamento de Física Teórica, Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Super-Kamiokande, Abe, K., Bronner, C., Hayato, Y., Ikeda, M., Imaizumi, S., Kameda, J., Kanemura, Y., Kataoka, Y., Miki, S., Miura, M., Moriyama, S., Nagao, Y., Nakahata, M., Nakayama, S., Okada, T., Okamoto, K., Orii, A., Pronost, G., Sekiya, H., Shiozawa, M., Sonoda, Y., Suzuki, Y., Takeda, A., Takemoto, Y., Takenaka, A., Tanaka, H., Watanabe, S., Yano, T., Han, S., Kajita, T., Okumura, K., Tashiro, T., Wang, R., Xia, J., Megias, G. D., Bravo-Berguno, D., Labarga, L., Marti, Ll., Zaldivar, B., Pointon, B. W., Blaszczyk, F. D. M., Kearns, E., Raaf, J. L., Stone, J. L., Wan, L., Wester, T., Bian, J., Griskevich, N. J., Kropp, W. R., Locke, S., Mine, S., Smy, M. B., Sobel, H. W., Takhistov, V., Weatherly, P., Hill, J., Kim, J. Y., Lim, I. T., Park, R. G., Bodur, B., Scholberg, K., Walter, C. W., Bernard, L., Coffani, A., Drapier, O., El Hedri, S., Giampaolo, A., Gonin, M., Mueller, Th. A., Paganini, P., Quilain, B., Ishizuka, T., Nakamura, T., Jang, J. S., Learned, J. G., Anthony, L. H. V., Martin, D. G. R., Sztuc, A. A., Uchida, Y., Berardi, V., Catanesi, M. G., Radicioni, E., Calabria, N. F., Nascimento Machado, L., de Rosa, G., Collazuol, G., Iacob, F., Lamoureux, M., Ospina, N., Ludovici, L., Maekawa, Y., Nishimura, Y., Cao, S., Friend, M., Hasegawa, T., Ishida, T., Jakkapu, M., Kobayashi, T., Matsubara, T., Nakadaira, T., Nakamura, K., Oyama, Y., Sakashita, K., Sekiguchi, T., Tsukamoto, T., Kotsar, Y., Nakano, Y., Ozaki, H., Shiozawa, T., Suzuki, A. T., Takeuchi, Y., Yamamoto, S., Ali, A., Ashida, Y., Feng, J., Hirota, S., Kikawa, T., Mori, M., Nakaya, T., Wendell, R. A., Yasutome, K., Fernandez, P., Mccauley, N., Mehta, P., Pritchard, A., Tsui, K. M., Fukuda, Y., Itow, Y., Menjo, H., Niwa, T., Sato, K., Tsukada, M., Mijakowski, P., Jiang, J., Jung, C. K., Vilela, C., Wilking, M. J., Yanagisawa, C., Hagiwara, K., Harada, M., Horai, T., Ishino, H., Ito, S., Koshio, Y., Kitagawa, H., Ma, W., Piplani, N., Sakai, S., Kuno, Y., Barr, G., Barrow, D., Cook, L., Goldsack, A., Samani, S., Simpson, C., Wark, D., Nova, F., Boschi, T., Di Lodovico, F., Migenda, J., Molina Sedgwick, S., Taani, M., Zsoldos, S., Yang, J. Y., Jenkins, S. J., Malek, M., Mcelwee, J. M., Stone, O., Thiesse, M. D., Thompson, L. F., Okazawa, H., Kim, S. B., Yu, I., Nishijima, K., Koshiba, M., Iwamoto, K., Nakajima, Y., Ogawa, N., Yokoyama, M., Martens, K., Vagins, M. R., Izumiyama, S., Kuze, M., Tanaka, M., Yoshida, T., Inomoto, M., Ishitsuka, M., Ito, H., Matsumoto, R., Ohta, K., Shinoki, M., Martin, J. F., Tanaka, H. A., Towstego, T., Akutsu, R., Hartz, M., Konaka, A., de Perio, P., Prouse, N. W., Chen, S., Xu, B. D., Posiadala-Zezula, M., Hadley, D., Richards, B., Jamieson, B., Walker, J., Minamino, A., Pintaudi, G., Sano, S., Sasaki, R., and Ichikawa, A. K.
Subjects: Astrophysics, KAMIOKANDE, Neutrino Astronomy, GeV, 01 natural sciences, 7. Clean energy, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Neutrino astronomy Gravitational wave astronomy High energy astrophysics Black holes Compact objects Neutron stars Transient sources, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], LIGO, 010303 astronomy & astrophysics, QC, QB, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), energy: emission, Black holes, Neutrino, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, High energy astrophysics, High-energy astronomy, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Gravitational-wave astronomy, Neutron stars, neutrino: spectrum, 0103 physical sciences, Instrumentation and Methods for Astrophysics (astro-ph.IM), Compact objects, flavor, 010308 nuclear & particles physics, Gravitational wave, background, gravitational radiation, Física, Astronomy and Astrophysics, trigger, Transient sources, flux, Neutron star, VIRGO, Space and Planetary Science, High Energy Physics::Experiment, Gravitational wave astronomy, Neutrino astronomy, Super-Kamiokande, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], statistical
Abstract: The Super-Kamiokande detector can be used to search for neutrinos in time coincidence with gravitational waves detected by the LIGO-Virgo Collaboration (LVC). Both low-energy ($7-100$ MeV) and high-energy ($0.1-10^5$ GeV) samples were analyzed in order to cover a very wide neutrino spectrum. Follow-ups of 36 (out of 39) gravitational waves reported in the GWTC-2 catalog were examined; no significant excess above the background was observed, with 10 (24) observed neutrinos compared with 4.8 (25.0) expected events in the high-energy (low-energy) samples. A statistical approach was used to compute the significance of potential coincidences. For each observation, p-values were estimated using neutrino direction and LVC sky map ; the most significant event (GW190602_175927) is associated with a post-trial p-value of $7.8\%$ ($1.4\sigma$). Additionally, flux limits were computed independently for each sample and by combining the samples. The energy emitted as neutrinos by the identified gravitational wave sources was constrained, both for given flavors and for all-flavors assuming equipartition between the different flavors, independently for each trigger and by combining sources of the same nature., Comment: 16 pages, 5 figures. v2: adding corrections from The Astrophysical Journal review
Published: 2021

42. Diffuse Supernova Neutrino Background search at Super-Kamiokande with neutron tagging

Author: K. Sakashita, A. T. Suzuki, K. Okamoto, M. Posiadala-Zezula, T. Nakadaira, Takuto Suganuma, David Wark, Y. Kataoka, Y. Takeuchi, S. Sakai, Y. Nishimura, Shintaro Ito, Atsushi Takeda, G.D. Barr, B. Quilain, E. Kearns, T. Yano, Tatsuya Kikawa, L. Marti, Yasuhiro Nakajima, Masashi Yokoyama, Tatsushi Kinoshita, Joanna Zalipska, Y. Nagao, A. Minamino, Henry W. Sobel, Marco Mattiazzi, J. McElwee, J. Y. Kim, M. Shinoki, Kenzo Nakamura, M. Friend, N. W. Prouse, Yoshihiro Suzuki, H. A. Tanaka, C. W. Walter, A. Coffani, T. Ishizuka, N. McCauley, Tsuyoshi Nakaya, O. Stone, M. Malek, S. Miki, Takashi Kobayashi, David Hadley, T. Hasegawa, C. K. Jung, S. Yamamoto, Makoto Miura, Yuichi Oyama, O. Drapier, M. Ikeda, Masato Shiozawa, L. Ludovici, A. Takenaka, Hiroyuki Sekiya, S. Izumiyama, T. Matsubara, N. Piplani, Soo-Bong Kim, J. Y. Yang, Y. Fukuda, L. Wan, A. Ali, J. Feng, T. Tsukamoto, S. Locke, S. Mohan Lakshmi, A. Konaka, Hiroaki Menjo, M. Koshiba, Masahiro Kuze, F. Nova, M. Hartz, Takaaki Kajita, R. G. Park, Yuuki Nakano, Yusuke Koshio, R. Sasaki, D. Barrow, Thomas A. Mueller, T. Ishida, B. W. Pointon, Natalv Ospina, Kate Scholberg, K. Yasutome, John Fraser Martin, James Hill, T. Tashiro, Hirokazu Ishino, S. J. Jenkins, E. Radicioni, Marcus O'Flaherty, T. Nakamura, R. Matsumoto, G. Collazuol, Intae Yu, Mark Scott, N. Ogawa, J. L. Raaf, C. Yanagisawa, Yoshinari Hayato, L. Bernard, K. Martens, M. Jakkapu, S. Mine, K. M. Tsui, A. Goldsack, S. Nakayama, M. Taani, T. Boschi, R. A. Wendell, M. Mori, M. Lamoureux, Y. Sonoda, Hiroshi Ito, S. Sano, K. Nishijima, Yoshitaka Itow, T. Wester, S. Han, G. Pronost, H. Okazawa, M. J. Wilking, D. Martin, K. Sato, A. K. Ichikawa, J. Kameda, F. Iacob, P. Mijakowski, K. Abe, Shuhei Watanabe, B. Bodur, Y. Kanemura, A. Giampaolo, Pablo Fernandez, P. Mehta, T. Towstego, S. Zsoldos, Vincenzo Berardi, S. Cao, William R. Kropp, T. Sekiguchi, S. Chen, G. D. Megias, J. Bian, M. Gonin, J. Xia, Sonia El Hedri, M. Thiesse, K. Iwamoto, C. Bronner, Gianfranca De Rosa, J. S. Jang, H. Ozaki, Hussain Kitagawa, B. Jamieson, Patrick de Perio, Katsuki Hiraide, K. Nakamura, Y. Maekawa, Jeff N. Griskevich, S. Moriyama, G. Pintaudi, Masayuki Nakahata, Y. Uchida, N. F. Calabria, J. G. Learned, H. K. Tanaka, P. Paganini, B. D. Xu, S. Samani, M. G. Catanesi, Lester D.R. Thompson, M. R. Vagins, Y. Kotsar, John Walker, L. Cook, I. T. Lim, L. H. V. Anthony, R. Akutsu, C. Vilela, FD Lodovico, Junjie Jiang, V. Takhistov, Justyna Lagoda, Jingyuan Gao, W. Ma, L. Labarga, B. Richards, Kimihiro Okumura, Yasuhiro Takemoto, Masaki Ishitsuka, M. Inomoto, A. A. Sztuc, M. B. Smy, B. Zaldivar, J. Migenda, L. N. Machado, and M. Harada
Subjects: Physics, Supernova, Neutron, Astrophysics, Neutrino, Super-Kamiokande
Published: 2021

43. Low energy radioactivity BG model in Super-Kamiokande detector from SK-IV data

Author: S. J. Jenkins, K. Nakamura, M. R. Vagins, M. Taani, J. L. Raaf, John Walker, H. Okazawa, Masaki Ishitsuka, S. Moriyama, A. A. Sztuc, P. Mehta, S. Miki, Masayuki Nakahata, Y. Uchida, I. T. Lim, L. H. V. Anthony, Junjie Jiang, V. Takhistov, Yoshinari Hayato, T. Towstego, M. Jakkapu, J. Y. Kim, Y. Maekawa, Patrick de Perio, Atsushi Takeda, T. Boschi, Yasuhiro Nakajima, J. G. Learned, Shuhei Watanabe, A. K. Ichikawa, T. Yano, Hiroshi Ito, A. T. Suzuki, K. Okamoto, Vincenzo Berardi, J. Kameda, S. Izumiyama, Joanna Zalipska, H. K. Tanaka, L. Cook, A. Coffani, S. Samani, M. G. Catanesi, O. Drapier, M. B. Smy, B. Zaldivar, Y. Takeuchi, J. Migenda, O. Stone, B. Bodur, T. Nakadaira, Takashi Kobayashi, P. Mijakowski, S. Zsoldos, Sonia El Hedri, T. Hasegawa, A. Ali, Katsuki Hiraide, Makoto Miura, K. Nishijima, M. Thiesse, K. Iwamoto, Justyna Lagoda, T. Wester, F. Iacob, Jingyuan Gao, Y. Nagao, A. Minamino, S. Mohan Lakshmi, Lester D.R. Thompson, M. Hartz, L. N. Machado, Kenzo Nakamura, K. Sakashita, W. Ma, T. Matsubara, William R. Kropp, T. Sekiguchi, S. Chen, M. Shinoki, M. Harada, N. McCauley, S. Sakai, M. Posiadala-Zezula, R. Akutsu, Marco Mattiazzi, J. Feng, M. Friend, Yuuki Nakano, K. Abe, Shintaro Ito, M. Malek, N. Piplani, B. W. Pointon, S. Yamamoto, Y. Kanemura, A. Giampaolo, Kate Scholberg, Hiroaki Menjo, N. W. Prouse, C. W. Walter, E. Kearns, David Wark, P. Paganini, Kimihiro Okumura, Takaaki Kajita, C. Vilela, T. Tashiro, FD Lodovico, M. Koshiba, B. D. Xu, Masashi Yokoyama, G.D. Barr, Yasuhiro Takemoto, T. Nakamura, S. Locke, Y. Kataoka, James Hill, M. Inomoto, Intae Yu, R. G. Park, Tatsuya Kikawa, G. D. Megias, Pablo Fernandez, R. Matsumoto, L. Marti, N. Ogawa, G. Pintaudi, David Hadley, Hiroyuki Sekiya, J. S. Jang, Hirokazu Ishino, N. Jeff Griskevich, L. Labarga, Soo-Bong Kim, S. Han, L. Bernard, T. Ishizuka, C. Yanagisawa, Tsuyoshi Nakaya, Y. Fukuda, L. Wan, B. Richards, T. Tsukamoto, K. Yasutome, Marcus O'Flaherty, C. K. Jung, Yuichi Oyama, M. Ikeda, A. Goldsack, N. F. Calabria, S. Nakayama, G. Collazuol, Mark Scott, Masato Shiozawa, R. A. Wendell, L. Ludovici, J. Y. Yang, T. Ishida, K. Martens, S. Mine, K. M. Tsui, Y. Kotsar, Y. Nishimura, Masahiro Kuze, F. Nova, R. Sasaki, A. Konaka, M. Lamoureux, Yusuke Koshio, D. Martin, J. Bian, H. Ozaki, Hussain Kitagawa, B. Jamieson, Natalv Ospina, S. Cao, D. Barrow, John Fraser Martin, A. Takenaka, K. Sato, C. Bronner, M. Gonin, J. Xia, Gianfranca De Rosa, Tatsushi Kinoshita, Yoshihiro Suzuki, Henry W. Sobel, J. McElwee, H. A. Tanaka, E. Radicioni, B. Quilain, M. Mori, Y. Sonoda, S. Sano, Yoshitaka Itow, Takuto Suganuma, G. Pronost, M. J. Wilking, Thomas A. Mueller, Pronost, Guillaume, Abe, Ko, Bronner, Christophe, Hayato, Yoshinari, Hiraide, Katsuki, Ikeda, Motoyasu, Kameda, Jun, Kanemura, Yuki, Kataoka, Yousuku, Miki, Shintaro, Miura, Makoto, Moriyama, Shigetaka, Nagao, Yoshiki, Nakahata, Masayuki, Nakayama, Shoei, Okamoto, Kohei, Sekiya, Hiroyuki, Shiozawa, Masato, Sonoda, Yutaro, Suzuki, Yoichiro, Takeda, Atsushi, Takemoto, Yasuhiro, Takenaka, Akira, Tanaka, Hidekazu, Watanabe, Shuhei, Yano, Takatomi, Han, Seungho, Kajita, Takaaki, Okumura, Kimihiro, Tashiro, Takuya, Xia, Junjie, Megias, Guillermo, Labarga, Lui, Marti, Llui, Zaldivar, Bryan, Pointon, Barry W., Kearns, Edward, Raaf, Jennifer L., Wan, Linyan, Wester, Thoma, Bian, Jianming, Griskevich, N. Jeff, Kropp, William R., Locke, Scott, Mine, Shunichi, Smy, Michael, Sobel, Henry W., Takhistov, Volodymyr, Hill, Jame, Kim, Jae Yool, Lim, In Taek, Park, Ryeong Gyoon, Bodur, Baran, Scholberg, Kate, Walter, Chri, Bernard, Laura, Coffani, Alice, Drapier, Olivier, El Hedri, Sonia, Giampaolo, Alberto, Gonin, Michel, Mueller, Thomas A., Paganini, Pascal, Quilain, Benjamin, Ishizuka, Takeharu, Nakamura, Taku, Jang, Jae Seung, Learned, John G., Cao, Son, Anthony, Lauren H. V., Martin, Daniel, Scott, Mark, Sztuc, Artur A., Uchida, Yoshi, Berardi, Vincenzo, Catanesi, Maria Gabriella, Radicioni, Emilio, Calabria, Nicola F., Machado, Lucas N., De Rosa, Gianfranca, Collazuol, Gianmaria, Iacob, Fabio, Lamoureux, Mathieu, Mattiazzi, Marco, Ospina, Natalv, Ludovici, Lucio, Maekawa, Yuto, Nishimura, Yasuhiro, Friend, Megan, Hasegawa, Takuya, Ishida, Taku, Kobayashi, Takashi, Jakkapu, Mahesh, Matsubara, Tsunayuki, Nakadaira, Takeshi, Nakamura, Kenzo, Oyama, Yuichi, Sakashita, Ken, Sekiguchi, Tetsuro, Tsukamoto, Toshifumi, Boschi, Tommaso, Di Lodovico, Francesca, Gao, Jingyuan, Migenda, Jost, Taani, Mahdi, Zsoldos, Stephane, Nakano, Yuuki, Ozaki, Hironori, Suzuki, Atsumu, Takeuchi, Yasuo, Yamamoto, Shotaro, Kotsar, Yurii, Ali, Ajmi, Feng, Jiahui, Kikawa, Tatsuya, Mori, Masamitsu, Nakaya, Tsuyoshi, Wendell, Roger, Yasutome, Kenji, Fernández, Pablo, Mccauley, Neil, Mehta, Pruthvi, Tsui, Ka Ming, Fukuda, Yoshiyuki, Itow, Yoshitaka, Menjo, Hiroaki, Sato, Kazufumi, Lagoda, Justyna, Lakshmi, S. Mohan, Mijakowski, Piotr, Zalipska, Joanna, Jiang, Junjie, Jung, Chang K., Vilela, Cristovao, Wilking, Michael, Yanagisawa, Chiaki, Harada, Masayuki, Ishino, Hirokazu, Ito, Shintaro, Kitagawa, Hussain, Koshio, Yusuke, Ma, Wenjie, Piplani, Nishtha, Sakai, Seiya, Barr, Gile, Barrow, Danial, Cook, Laurence, Goldsack, Alexander, Samani, Soniya, Wark, David, Nova, Federico, Yang, Jeong Yeol, Jenkins, Sam J., Malek, Matthew, Mcelwee, Jordan, Stone, Owen, Thiesse, Matthew D., Thompson, Lee F., Okazawa, Hiroko, Kim, Soo Bong, Yu, Intae, Ichikawa, Atsuko, Nakamura, Kiseki, Nishijima, Kyoshi, Koshiba, Masatoshi, Iwamoto, Konosuke, Nakajima, Yasuhiro, Ogawa, Natsumi, Yokoyama, Masashi, Martens, Kai, Vagins, Mark, Kuze, Masahiro, Izumiyama, Shota, Inomoto, Michitaka, Ishitsuka, Masaki, Ito, Hiroshi, Kinoshita, Tatsushi, Matsumoto, Ryo, Shinoki, Masataka, Suganuma, Takuto, Martin, John Fraser, Tanaka, Hirohisa, Towstego, Trevor, Akutsu, Ryosuke, de Perio, Patrick, Hartz, Mark, Konaka, Akira, Prouse, Nick, Chen, Shaomin, Xu, Benda D., Posiadala-Zezula, Magdalena, Hadley, David, O'Flaherty, Marcu, Richards, Benjamin, Jamieson, Blair, Walker, John, Minamino, Akihiro, Pintaudi, Ggiorgio, Sano, Shiochi, and Sasaki, Ryota
Subjects: Physics, Physics::Instrumentation and Detectors, Solar neutrino, Physics::Medical Physics, Detector, Water source, chemistry.chemical_element, Radon, Nuclear physics, Low energy, chemistry, High Energy Physics::Experiment, Neutrino, Super-Kamiokande, Solar data
Abstract: The radioactivity background are among the most dangerous background for low energy neutrino analysis in Super-Kamiokande (SK), like the solar neutrino analysis. Among them, the main contribution is coming from $^{222}$Rn, which is spread in the detector's water due to the water source and to the photo multiplier (PMT) emanations. Up to now, its exact distribution in the detector was not known. Using our knowledge of the radon concentration in the detector water, and the SK-IV solar data, we developed a model of the radon distribution in the detector. The uncertainty on the Rn concentration associated with this model was estimated to be $\sim0.1$ mBq/m$^{3}$
Published: 2021

44. First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single- π+ production channel containing at least one proton

Author: T. Arihara, Y. Hayato, J. R. Wilson, L. Ludovici, S. V. Cao, M. Gonin, T. Honjo, S. Moriyama, S. Roth, D. G. Payne, A. Nakamura, W. C. Parker, L. Molina Bueno, R. Zaki, C. E. R. Naseby, G. D. Megias, S. K. Lin, C. Alt, J. Parlone, M. Tzanov, J. Kisiel, K. Matsushita, M. Zito, Hidekazu Kakuno, G. Yang, N. Izumi, A. K. Ichikawa, K. Niewczas, Patrick Dunne, J. Kameda, A. Eguchi, C. Touramanis, Antonio Ereditato, N. Yershov, C. Giganti, S. Kuribayashi, R. Okada, B. Jamieson, A. Zalewska, C. Jesús-Valls, Kevin Scott McFarland, D. Cherdack, S. Valder, K. Abe, S. Suvorov, R. P. Litchfield, P. Hamacher-Baumann, K. Yasutome, A. Shvartsman, N. Teshima, D. Bravo Berguño, G. Pintaudi, Y. Fujii, C. Mauger, S. Manly, Federico Sanchez, C. McGrew, L. Koch, C. Andreopoulos, Masato Shiozawa, S. R. Dennis, C. M. Schloesser, Xianguo Lu, M. J. Wilking, Gareth J. Barker, A. Beloshapkin, A. Takeda, B. A. Popov, D. Vargas, M. Grassi, T. A. Doyle, E. Radicioni, Vincenzo Berardi, D. Barrow, Etam Noah, F. J. P. Soler, Alexander Finch, J. Chakrani, A. Hiramoto, T. Hasegawa, A. Gorin, J. Dumarchez, K. Fusshoeller, R.P. Kurjata, S. P. Kasetti, T. Ogawa, L. Munteanu, M. Tajima, Yusuke Koshio, A. T. Suzuki, Y. Nagai, C. K. Jung, Alan Cosimo Ruggeri, A. Kostin, André Rubbia, T. Matsubara, T. Vladisavljevic, L. Magaletti, S. Bhadra, L. Cook, F. Iacob, L. Berns, Yuuki Nakano, R. Fukuda, D. L. Wark, Y. Tanihara, G. C. Penn, G. Vasseur, Y. Kataoka, Th. A. Mueller, Thorsten Lux, A. Maurel, F. Di Lodovico, M. Hartz, A. Bubak, C. Pistillo, Kate Scholberg, T. Sekiguchi, Y. Asada, M. Tada, M. Jakkapu, Shigeki Aoki, M. M. Khabibullin, E. A.G. Goodman, E. T. Atkin, R. Akutsu, T. Okusawa, K. Iwamoto, W. Shorrock, Jaroslaw Pasternak, G. Fiorillo, T. Kikawa, C. Vilela, J. Xia, S. Parsa, M. Ishitsuka, Yu. G. Kudenko, N. C. Hastings, H. K. Tanaka, D. A. Harris, K. Nishizaki, Marco Laveder, C. Yanagisawa, Y. Takeuchi, J. P. Coleman, P. B. Jurj, L. Wan, V. Paolone, Oleg Mineev, A. Dergacheva, Y. Nishimura, T. Yano, H. Nakamura, W. G. S. Vinning, C. Riccio, T. Dealtry, T. Nakadaira, S. Dolan, K. Wood, L. Pickering, E. Mazzucato, Y. Oyama, T. Kobayashi, M. Ziembicki, H. Kikutani, Y. Nakajima, C. Densham, A. Cudd, C. C. Delogu, J. C. Nugent, S. King, G. Zarnecki, A. D. Marino, G. De Rosa, J. G. Walsh, J. Lagoda, Yoshihiro Suzuki, M. Buizza Avanzini, R. A. Owen, N. Thamm, T. Maruyama, Samira Hassani, T. V. Ngoc, A. Cervera, K. Yamamoto, M. Hogan, L. Maret, G.D. Barr, K. Nakamura, Yufeng Wang, D. R. Hadley, A. C. Weber, J. A. Nowak, F. Bench, T. Ishida, T. Odagawa, A. Bravar, Ahmed Ali, A. Shaikhiev, P. N. Ratoff, T. Kutter, A. A. Sztuc, M. Batkiewicz-Kwasniak, T. Wachala, K. Zaremba, M. Tani, L. S.M. Lakshmi, L. Mellet, N. Akhlaq, M. Lawe, Jan T. Sobczyk, Lars Eklund, C. Bronner, T. Bonus, T. Kobata, Teppei Katori, M. B. Smy, L. N. Machado, R. Wendell, A. Rychter, M. Posiadala-Zezula, M. Kabirnezhad, C. Wret, K. Mavrokoridis, G. Collazuol, S. B. Boyd, T. Towstego, C. Francois, E. Rondio, P. Jonsson, B. Quilain, N. McCauley, A. Konaka, D. Munford, L. Labarga, J. McElwee, K. Skwarczynski, A. Minamino, Mark Scott, Stephanie Bron, L. O'Sullivan, T. Yoshida, K. Porwit, C. Wilkinson, C. Ruggles, G. Santucci, Y. Awataguchi, Hiroyuki Sekiya, F. Nova, S. L. Liu, A. Blondel, M. Malek, J. Holeczek, Kendall Mahn, A. Izmaylov, T. Radermacher, M. Cicerchia, Lester D.R. Thompson, M. Mezzetto, K. Kowalik, M. Yu, Masashi Yokoyama, M. Vagins, N. T. Hong Van, A. N. Khotjantsev, J. Zalipska, S. Mine, J. Walker, M. Guigue, M. Miura, K. M. Tsui, S. L. Cartwright, Tsuyoshi Nakaya, M. G. Catanesi, D. Coplowe, Roberto Spina, L. Marti-Magro, H. Sobel, T. S. Nonnenmacher, J. J. Jiang, A. Blanchet, M. Lamoureux, S. Zsoldos, V. Palladino, S. Nakayama, Y. Seiya, A. Longhin, M. Friend, A. Shaykina, Michelangelo Pari, Y. H. Xu, M. Pavin, S. J. Jenkins, T. Tsukamoto, Y. Ashida, Y. Fukuda, G. Christodoulou, K. Sakashita, M. Kuze, Masayuki Nakahata, C. Pidcott, Y. Uchida, Y. Yoshimoto, D. Sgalaberna, M. Reh, L. L. Kormos, B. Radics, B. Bourguille, A. Mefodiev, M. Ikeda, K. Nakayoshi, Kimihiro Okumura, S. Bolognesi, Sy Suzuki, M. Antonova, Y. Katayama, S. Emery-Schrenk, D. Douqa, W. Toki, H. M. O'Keeffe, Y. Sonoda, V. Q. Nguyen, M. O. Wascko, E. Kearns, and D. Pershey
Subjects: Physics, Proton, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Monte Carlo method, T2K experiment, 01 natural sciences, 7. Clean energy, Nuclear physics, Transverse plane, 0103 physical sciences, Muon neutrino, Neutrino, 010306 general physics, Event (particle physics), Charged current
Abstract: This paper reports the first T2K measurement of the transverse kinematic imbalance in the single-$\pi^+$ production channel of neutrino interactions. We measure the differential cross sections in the muon-neutrino charged-current interaction on hydrocarbon with a single $\pi^+$ and at least one proton in the final state, at the ND280 off-axis near detector of the T2K experiment. The extracted cross sections are compared to the predictions from different neutrino-nucleus interaction event generators. Overall, the results show a preference for models which have a more realistic treatment of nuclear medium effects including the initial nuclear state and final-state interactions.
Published: 2021

45. Hepatic encephalopathy caused by portosystemic shunt in a Holstein calf

Author: Kenichi Watanabe, Shiori Chiba, Hisashi Inokuma, Noriyuki Horiuchi, S. Moriyama, Karin Uesaka, H. Kushima, and Yoshiyasu Kobayashi
Subjects: medicine.medical_specialty, business.industry, Internal medicine, medicine, General Medicine, Portosystemic shunt, medicine.disease, business, Hepatic encephalopathy, Gastroenterology
Published: 2019

46. Speech-induced lingual dystonia Distonia de língua induzida pela fala

Author: Andre C Felicio, Clecio Godeiro-Junior, Tais S Moriyama, Maura R Laureano, Evandro P. V Felix, Vanderci Borges, Sonia M. A Silva, and Henrique B Ferraz
Subjects: Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Published: 2010
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47. Search for inelastic scattering of WIMP dark matter in XENON1T

Author: A. Manfredini, L. Scotto Lavina, Hardy Simgen, A. D. Ferella, R. Budnik, Yuehuan Wei, L. Grandi, G. Koltman, C. Weinheimer, K. Martens, F. Arneodo, M. Messina, Lorne Levinson, F. Joerg, Kaixuan Ni, D. Cichon, N. Kato, C. Macolino, L. Hoetzsch, A. Elykov, T. Wolf, Elena Aprile, João Cardoso, M. Pierre, D. Ramírez García, F. Gao, Keita Mizukoshi, P. Shagin, J. A. M. Lopes, Y. Mosbacher, Y. Ma, Masaki Yamashita, P. Di Gangi, S. Moriyama, T. Zhu, F. D. Amaro, Guillaume Plante, Fabrizio Marignetti, M. Vargas, H. Landsman, M. P. Decowski, April S. Brown, Boris Bauermeister, Jochen Schreiner, D. Masson, T. Marrodán Undagoitia, L. Bellagamba, A. Rocchetti, S. Liang, Manfred Lindner, L. Althueser, K. Odgers, J. Howlett, Katsuki Hiraide, F. Lombardi, M. Alfonsi, S. Andaloro, J.M.F. dos Santos, F. Agostini, R. Di Stefano, V. Pizzella, Giacomo Bruno, J. Naganoma, N. Šarčević, J. Qin, Sebastian Lindemann, G. Sartorelli, J. Pienaar, C. Capelli, N. Rupp, Gian Carlo Trinchero, K. Morå, Michelle Galloway, H. Schulze Eißing, E. Angelino, S. Bruenner, A. Molinario, S. Mastroianni, Jean-Pierre Cussonneau, M. Iacovacci, A. Di Giovanni, Bart Pelssers, C. Tunnell, C. Wittweg, J. P. Zopounidis, D. Coderre, Manuel Gameiro da Silva, M. Scheibelhut, Jelle Aalbers, A. Depoian, M. Selvi, D. Schulte, Kathrin Valerius, A. Kopec, S. Reichard, Qing Lin, J. Qi, J. Palacio, J. Ye, B. Cimmino, M. Clark, Atsushi Takeda, Shingo Kazama, G. Volta, Uwe Oberlack, V. C. Antochi, Ethan Brown, Kentaro Miuchi, C. Therreau, J. Cuenca, Y. Zhang, Julien Masbou, Z. Xu, M. Murra, W. Fulgione, Laura Manenti, C. Hils, Sara Diglio, J. Mahlstedt, G. Zavattini, Laura Baudis, P. Gaemers, F. Toschi, M. L. Benabderrahmane, J. Long, J. R. Angevaare, E. Shockley, Jan Conrad, Masanori Kobayashi, R. Gaior, Yoshitaka Itow, M. Weiss, D. Thers, Marc Schumann, F. Semeria, R. F. Lang, A. P. Colijn, D. Wenz, R. Peres, A. Mancuso, Aprile, E., Aalbers, J., Agostini, F., Alfonsi, M., Althueser, L., Amaro, F. D., Andaloro, S., Angelino, E., Angevaare, J. R., Antochi, V. C., Arneodo, F., Baudis, L., Bauermeister, B., Bellagamba, L., Benabderrahmane, M. L., Brown, A., Brown, E., Bruenner, S., Bruno, G., Budnik, R., Capelli, C., Cardoso, J. M. R., Cichon, D., Cimmino, B., Clark, M., Coderre, D., Colijn, A. P., Conrad, J., Cuenca, J., Cussonneau, J. P., Decowski, M. P., Depoian, A., Di Gangi, P., Di Giovanni, A., Di Stefano, R., Diglio, S., Elykov, A., Ferella, A. D., Fulgione, W., Gaemers, P., Gaior, R., Galloway, M., Gao, F., Grandi, L., Hils, C., Hiraide, K., Hoetzsch, L., Howlett, J., Iacovacci, M., Itow, Y., Joerg, F., Kato, N., Kazama, S., Kobayashi, M., Koltman, G., Kopec, A., Landsman, H., Lang, R. F., Levinson, L., Liang, S., Lin, Q., Lindemann, S., Lindner, M., Lombardi, F., Long, J., Lopes, J. A. M., Ma, Y., Macolino, C., Mahlstedt, J., Mancuso, A., Manenti, L., Manfredini, A., Marignetti, F., Marrodan Undagoitia, T., Martens, K., Masbou, J., Masson, D., Mastroianni, S., Messina, M., Miuchi, K., Mizukoshi, K., Molinario, A., Mora, K., Moriyama, S., Mosbacher, Y., Murra, M., Naganoma, J., Ni, K., Oberlack, U., Odgers, K., Palacio, J., Pelssers, B., Peres, R., Pienaar, J., Pierre, M., Pizzella, V., Plante, G., Qi, J., Qin, J., Ramirez Garcia, D., Reichard, S., Rocchetti, A., Rupp, N., Dos Santos, J. M. F., Sartorelli, G., Sarcevic, N., Scheibelhut, M., Schreiner, J., Schulte, D., Schulze Eissing, H., Schumann, M., Scotto Lavina, L., Selvi, M., Semeria, F., Shagin, P., Shockley, E., Silva, M., Simgen, H., Takeda, A., Therreau, C., Thers, D., Toschi, F., Trinchero, G., Tunnell, C., Valerius, K., Vargas, M., Volta, G., Wei, Y., Weinheimer, C., Weiss, M., Wenz, D., Wittweg, C., Wolf, T., Xu, Z., Yamashita, M., Ye, J., Zavattini, G., Zhang, Y., Zhu, T., Zopounidis, J. P., XENON Collaboration, Columbia University [New York], Oskar Klein Centre [Stockholm], Stockholm University, University of Bologna, Johannes Gutenberg - Universität Mainz (JGU), Westfälische Wilhelms-Universität Münster (WWU), University of Coimbra [Portugal] (UC), Università degli studi di Torino (UNITO), University of Amsterdam [Amsterdam] (UvA), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), 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), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), XENON, IoP (FNWI), and XENON (IHEF, IoP, FNWI)
Subjects: xenon: target, Photon, Physics::Instrumentation and Detectors, Parameter space, 01 natural sciences, WIMP: dark matter, High Energy Physics - Experiment, astro-ph.CO, High Energy Physics - Experiment (hep-ex), XENON, Recoil, WIMP, WIMP nucleus: cross section, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Dark Matter, parameter space, Nuclear Experiment, ComputingMilieux_MISCELLANEOUS, nucleus: recoil, Physics, Dark Matter, Inelastic scattering, XENON, Direct Dark Matter, photon, Astrophysics::Instrumentation and Methods for Astrophysics, Direct Dark Matter, Weakly interacting massive particles, signature, Astrophysics - Cosmology and Nongalactic Astrophysics, Particle physics, Inelastic scattering, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Dark matter, FOS: Physical sciences, WIMP: mass, Astrophysics::Cosmology and Extragalactic Astrophysics, NO, PE2_2, PE2_1, 0103 physical sciences, ddc:530, 010306 general physics, 010308 nuclear & particles physics, Scattering, WIMP nucleus: interaction, Dark, matter, WIMP: interaction, High Energy Physics::Experiment, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics and astroparticle physics, experimental results
Abstract: We report the results of a search for the inelastic scattering of weakly interacting massive particles (WIMPs) in the XENON1T dark matter experiment. Scattering off $^{129}$Xe is the most sensitive probe of inelastic WIMP interactions, with a signature of a 39.6 keV de-excitation photon detected simultaneously with the nuclear recoil. Using an exposure of 0.89 tonne-years, we find no evidence of inelastic WIMP scattering with a significance of more than 2$\sigma$. A profile-likelihood ratio analysis is used to set upper limits on the cross-section of WIMP-nucleus interactions. We exclude new parameter space for WIMPs heavier than 100 GeV/c${}^2$, with the strongest upper limit of $3.3 \times 10^{-39}$ cm${}^2$ for 130 GeV/c${}^2$ WIMPs at 90\% confidence level., Comment: 9 pages, 4 figures
Published: 2021

48. Measurements of ν̅ μ and ν̅ μ + ν μ charged-current cross-sections without detected pions or protons on water and hydrocarbon at a mean anti-neutrino energy of 0.86 GeV

Author: M. Barbi, T. Vladisavljevic, A. Longhin, A. Shaykina, M. Lawe, Michelangelo Pari, A. Blanchet, Thorsten Lux, Y. Sonoda, L. Molina Bueno, T. Kikawa, S. Parsa, V. Q. Nguyen, H. W. Sobel, M. Gonin, J. Xia, A. T. Suzuki, A. Dergacheva, C. E. R. Naseby, J. F. Martin, N. Kukita, M. Licciardi, T. Feusels, Y. Tanihara, C. Alt, T. Nakadaira, Shuji Tanaka, R. Shah, J. Lagoda, R. J. Wilson, M. Pavin, S. J. Jenkins, J. R. Wilson, D. Fukuda, L. O'Sullivan, Jochen Steinmann, Xianguo Lu, M. R. Vagins, H. Kikutani, J. G. Walsh, A. Bubak, P. Jonsson, R. A. Owen, P. Novella, K. Iwamoto, K. Niewczas, André Rubbia, Jaroslaw Pasternak, Y. Yoshimoto, M. Batkiewicz-Kwasniak, M. Miura, Marco Laveder, A. Zykova, J. P. Coleman, T. Hayashino, Yuto Ashida, A. J. Finch, R. Fukuda, C. Wret, A. Knox, T. Arihara, T. Sekiguchi, R. Akutsu, J. Morrison, N. McCauley, M. Guigue, A. Pritchard, P. B. Jurj, A. A. Sztuc, J. L. Palomino, G. Zarnecki, Patrick Dunne, P. Paudyal, A. Blondel, T. Koga, B. A. Popov, T. Honjo, A. Rychter, P. Hamacher-Baumann, Oleg Mineev, C. Pistillo, M. Jakkapu, M. Buizza Avanzini, B. Jamieson, G. Christodoulou, K. Nakamura, T. A. Doyle, E. Reinherz-Aronis, Keigo Nakamura, Takaaki Kajita, E. Rondio, B. Quilain, C. J. Densham, K. Yasutome, K. Fusshoeller, Hiroyuki Sekiya, S. L. Cartwright, F. Shaker, W. Uno, C. M. Nantais, F. Nova, K. Porwit, P. F. Denner, R. Fujita, Y. Fukuda, Kendall Mahn, A. K. Ichikawa, V. Paolone, Akitaka Ariga, Ko Okumura, G. Pintaudi, S. Moriyama, Kate Scholberg, D. Cherdack, M. Ziembicki, S. Roth, J. Kameda, J. Zalipska, C. Vilela, S. Kuribayashi, E. S. Pinzon Guerra, Th. A. Mueller, B. Radics, M. Ikeda, A. Zalewska, Federico Sanchez, B. Bourguille, Yousuke Kataoka, Z. Vallari, Y. Takeuchi, K. Wood, R.P. Kurjata, L. F. Thompson, S. Valder, T. Ogawa, T. Golan, M. Hartz, E. D. Zimmerman, C. McGrew, Masayuki Nakahata, C. Pidcott, L. Koch, Y. Asada, A. Gorin, G. A. Fiorentini, A. Knight, A. Shvartsman, N. Teshima, C. Checchia, A. Bravar, Vladimir Volkov, Y. Uchida, Shigeki Aoki, Yuichi Oyama, A. Nakamura, S. Suvorov, R. P. Litchfield, Takatomi Yano, Y. Hayato, C. Andreopoulos, R. A. Wendell, S. Bolognesi, H. M. O'Keeffe, J. Holeczek, S. Hassani, G. Fiorillo, T. Radermacher, Thomas B. Campbell, Yuki Fujii, K. Nakayoshi, D. Bravo Berguño, E. Radicioni, T. Kobata, W. H. Toki, Hiromasa Tanaka, V. A. Matveev, M. B. Smy, T. Towstego, L. Maret, P. N. Ratoff, T. Kutter, Koji Yamamoto, M. McCarthy, M. Zito, Hidekazu Kakuno, Pablo Fernandez, M. O. Wascko, S. Mine, G. Yang, E. Mazzucato, K. Kowalik, Laura Gutermuth Anthony, M. Yu, D. L. Wark, F. Di Lodovico, Yutaka Nakajima, Jan Kisiel, T. Bonus, M. Friend, Teppei Katori, Yanbin Wang, M. Tada, D. J. Payne, K. Abe, T. Okusawa, Jungsang Kim, S. Y. Suzuki, N. Izumi, D. Vargas, J. Dumarchez, N. Chikuma, Vincenzo Berardi, D. Barrow, Etam Noah, C. Bronner, Steven C. Johnson, S. Nakayama, F. J. P. Soler, L. L. Kormos, W. Shorrock, Masaki Ishitsuka, Yoshihiro Suzuki, M. Kuze, T. Tsukamoto, K. Skwarczynski, L. Labarga, A. Eguchi, K. Sakashita, S. M. Oser, L. Berns, S. Yen, M. Hogan, T. Kobayashi, N. C. Hastings, M. Antonova, R. Okada, T. Odagawa, Yoshikazu Yamada, A. N. Khotjantsev, Alan Cosimo Ruggeri, J. Schwehr, D. Karlen, T. Yoshida, Y. Seiya, A. Minamino, Hidetoshi Kubo, A. D. Marino, Hyun-Chul Kim, A. Izmaylov, L. Pickering, Y. Nishimura, S. Manly, S. Ban, S. Bienstock, K. M. Tsui, K. S. McFarland, F. Bench, A. C. Weber, Y. Katayama, G. Vasseur, C. Jesús-Valls, C. Ruggles, G. Santucci, O. Drapier, D. A. Harris, S. Emery-Schrenk, H. K. Tanaka, T. Wachala, T. Ishida, S. P. Kasetti, N. Akhlaq, M. M. Khabibullin, S. L. Liu, M. Posiadala-Zezula, M. G. Catanesi, M. Malek, L. Magaletti, C. Giganti, N. Dokania, S. Berkman, Roberto Spina, A. C. Kaboth, A. Cervera, G. Collazuol, Mark Scott, M. Kabirnezhad, K. Mavrokoridis, J. A. Nowak, A. Chappell, Lars Eklund, T. S. Nonnenmacher, C. Barry, S. Murphy, C. Riccio, C. Mauger, T. Dealtry, E. T. Atkin, M. Cicerchia, Alexei Yu. Smirnov, Yuta Kato, K. Nishikawa, M. Lamoureux, L. N. Machado, J. T. Haigh, S. Zsoldos, V. Palladino, S. B. Boyd, L. Marti-Magro, K. Zaremba, Jan T. Sobczyk, Stephanie Bron, Atsushi Takeda, J. McElwee, D. Sgalaberna, Ahmed Ali, C. Francois, Y. Awataguchi, Xiao-yan Li, W. G. S. Vinning, C. Wilkinson, T. V. Ngoc, C. Yanagisawa, Gareth J. Barker, Yuuki Nakano, D. Coplowe, T. Ishii, A. Hiramoto, T. Hasegawa, Takahiko Matsubara, S. V. Cao, C. Touramanis, M. J. Wilking, M. Jiang, Antonio Ereditato, N. Yershov, T. Maruyama, K. Gameil, J. C. Nugent, G.D. Barr, S. King, F. Iacob, M. Mezzetto, D. R. Hadley, Y. Nagai, W. C. Parker, M. Tani, E. Kearns, G. C. Penn, Masashi Yokoyama, M. Tzanov, C. J. Metelko, Yu.A. Kudenko, A. Dabrowska, K. Matsushita, D. Brailsford, N. T. Hong Van, J. Walker, A. Mefodiev, S. Dolan, T. Lindner, A. Cudd, S. R. Dennis, Tsuyoshi Nakaya, C. M. Schloesser, C. K. Jung, Masato Shiozawa, L. Ludovici, A. Kostin, S. Bhadra, L. Cook, A. Beloshapkin, G. De Rosa, J. Calcutt, A. Shaikhiev, A. Konaka, L. Munteanu, M. Tajima, and Yusuke Koshio
Subjects: chemistry.chemical_classification, Physics, Particle physics, Muon, Proton, 010308 nuclear & particles physics, General Physics and Astronomy, 01 natural sciences, Hydrocarbon, Pion, chemistry, 0103 physical sciences, 010306 general physics, Nucleon, Energy (signal processing), Charged current, Bar (unit)
Abstract: We report measurements of the flux-integrated ν̅μ and ν̅μ + νμ charged-current cross-sections on water and hydrocarbon targets using the T2K anti-neutrino beam with a mean beam energy of 0.86 GeV. The signal is defined as the (anti-)neutrino charged-current interaction with one induced $\mu^\pm$ and no detected charged pion or proton. These measurements are performed using a new WAGASCI module recently added to the T2K setup in combination with the INGRID Proton Module. The phase space of muons is restricted to the high-detection efficiency region, $p_{\mu}>400~{\rm MeV}/c$ and $\theta_{\mu}200~{\rm MeV}/c$, $\theta_{\pi}600~{\rm MeV}/c$, $\theta_{\rm p}
Published: 2021

49. Follow-up of GWTC-2 gravitational wave events with neutrinos from the Super-Kamiokande detector

Author: Vincenzo Berardi, A. A. Sztuc, M. Thiesse, K. Iwamoto, P. Mehta, M. Koshiba, S. J. Jenkins, M. Taani, R. G. Park, H. Okazawa, Y. Takeuchi, Patrick de Perio, Kimihiro Okumura, K. Martens, S. Han, S. Cao, Thomas A. Mueller, E. Kearns, M. R. Vagins, David Hadley, Henry W. Sobel, Yoshinari Hayato, K. Yasutome, S. Mine, K. M. Tsui, Masashi Yokoyama, T. Towstego, C. Bronner, J. Y. Yang, Yasuhiro Takemoto, O. Drapier, J. McElwee, Gianfranca De Rosa, Makoto Miura, E. Radicioni, M. B. Smy, J. S. Jang, Shuhei Watanabe, A. Konaka, Marco Mattiazzi, David Wark, B. Zaldivar, J. Migenda, M. Lamoureux, T. Ishizuka, M. Friend, S. Zsoldos, B. Bodur, H. A. Tanaka, T. Matsubara, N. W. Prouse, Katsuki Hiraide, Tsuyoshi Nakaya, C. W. Walter, Masaki Ishitsuka, S. Locke, S. Miki, Hirokazu Ishino, J. Feng, Sonia El Hedri, Masahiro Kuze, Yusuke Koshio, John Walker, D. Barrow, S. Mohan Lakshmi, J. L. Raaf, M. Mori, Hiroaki Menjo, Y. Sonoda, F. Nova, S. Sano, R. Sasaki, Marcus O'Flaherty, Takaaki Kajita, Yoshitaka Itow, G. Collazuol, M. Jakkapu, Natalv Ospina, Mark Scott, Y. Nishimura, Hiroyuki Sekiya, Soo-Bong Kim, B. Quilain, James Hill, G. Pronost, M. Inomoto, Y. Fukuda, L. Wan, T. Yano, John Fraser Martin, I. T. Lim, T. Boschi, Y. Maekawa, K. Nakamura, M. J. Wilking, J. Bian, K. Abe, L. Bernard, Y. Nagao, A. Minamino, Tatsushi Kinoshita, S. Izumiyama, C. K. Jung, Hiroshi Ito, N. Jeff Griskevich, P. Paganini, Y. Kanemura, M. Ikeda, A. Giampaolo, Masato Shiozawa, L. Ludovici, B. D. Xu, Yoshihiro Suzuki, S. Moriyama, F. Iacob, M. Shinoki, M. Gonin, J. Xia, L. H. V. Anthony, Masayuki Nakahata, J. G. Learned, R. Matsumoto, Takuto Suganuma, Y. Uchida, A. Ali, Kate Scholberg, Pablo Fernandez, N. McCauley, L. N. Machado, H. K. Tanaka, S. Samani, M. Malek, M. G. Catanesi, Junjie Jiang, William R. Kropp, T. Sekiguchi, M. Harada, S. Chen, Kenzo Nakamura, H. Ozaki, S. Yamamoto, Yuuki Nakano, A. T. Suzuki, K. Okamoto, Hussain Kitagawa, B. Jamieson, G. D. Megias, B. W. Pointon, A. K. Ichikawa, T. Nakadaira, J. Kameda, Lester D.R. Thompson, Yuichi Oyama, V. Takhistov, P. Mijakowski, S. Sakai, T. Hasegawa, Atsushi Takeda, G. Pintaudi, Yasuhiro Nakajima, N. F. Calabria, Joanna Zalipska, K. Sakashita, T. Nakamura, N. Piplani, Intae Yu, N. Ogawa, M. Posiadala-Zezula, C. Yanagisawa, J. Y. Kim, A. Goldsack, S. Nakayama, R. A. Wendell, Y. Kataoka, A. Coffani, O. Stone, Takashi Kobayashi, D. Martin, K. Sato, G.D. Barr, Tatsuya Kikawa, L. Marti, M. Hartz, T. Tashiro, K. Nishijima, T. Wester, Justyna Lagoda, Jingyuan Gao, W. Ma, A. Takenaka, T. Tsukamoto, L. Labarga, T. Ishida, B. Richards, Shintaro Ito, Y. Kotsar, C. Vilela, FD Lodovico, L. Cook, R. Akutsu, Lamoureux, Mathieu, Abe, Ko, Bronner, Christophe, Hayato, Yoshinari, Hiraide, Katsuki, Ikeda, Motoyasu, Kameda, Jun, Kanemura, Yuki, Kataoka, Yousuku, Miki, Shintaro, Miura, Makoto, Moriyama, Shigetaka, Nagao, Yoshiki, Nakahata, Masayuki, Nakayama, Shoei, Okamoto, Kohei, Pronost, Guillaume, Sekiya, Hiroyuki, Shiozawa, Masato, Sonoda, Yutaro, Suzuki, Yoichiro, Takeda, Atsushi, Takemoto, Yasuhiro, Takenaka, Akira, Tanaka, Hidekazu, Watanabe, Shuhei, Yano, Takatomi, Han, Seungho, Kajita, Takaaki, Okumura, Kimihiro, Tashiro, Takuya, Xia, Junjie, Megias, Guillermo, Labarga, Lui, Marti, Llui, Zaldivar, Bryan, Pointon, Barry W., Kearns, Edward, Raaf, Jennifer L., Wan, Linyan, Wester, Thoma, Bian, Jianming, Griskevich, N. Jeff, Kropp, William R., Locke, Scott, Mine, Shunichi, Smy, Michael, Sobel, Henry W., Takhistov, Volodymyr, Hill, Jame, Kim, Jae Yool, Lim, In Taek, Park, Ryeong Gyoon, Bodur, Baran, Scholberg, Kate, Walter, Chri, Bernard, Laura, Coffani, Alice, Drapier, Olivier, El Hedri, Sonia, Giampaolo, Alberto, Gonin, Michel, Mueller, Thomas A., Paganini, Pascal, Quilain, Benjamin, Ishizuka, Takeharu, Nakamura, Taku, Jang, Jae Seung, Learned, John G., Cao, Son, Anthony, Lauren H. V., Martin, Daniel, Scott, Mark, Sztuc, Artur A., Uchida, Yoshi, Berardi, Vincenzo, Catanesi, Maria Gabriella, Radicioni, Emilio, Calabria, Nicola F., Machado, Lucas N., De Rosa, Gianfranca, Collazuol, Gianmaria, Iacob, Fabio, Mattiazzi, Marco, Ospina, Natalv, Ludovici, Lucio, Maekawa, Yuto, Nishimura, Yasuhiro, Friend, Megan, Hasegawa, Takuya, Ishida, Taku, Kobayashi, Takashi, Jakkapu, Mahesh, Matsubara, Tsunayuki, Nakadaira, Takeshi, Nakamura, Kenzo, Oyama, Yuichi, Sakashita, Ken, Sekiguchi, Tetsuro, Tsukamoto, Toshifumi, Boschi, Tommaso, Di Lodovico, Francesca, Gao, Jingyuan, Migenda, Jost, Taani, Mahdi, Zsoldos, Stephane, Nakano, Yuuki, Ozaki, Hironori, Suzuki, Atsumu, Takeuchi, Yasuo, Yamamoto, Shotaro, Kotsar, Yurii, Ali, Ajmi, Feng, Jiahui, Kikawa, Tatsuya, Mori, Masamitsu, Nakaya, Tsuyoshi, Wendell, Roger, Yasutome, Kenji, Fernández, Pablo, Mccauley, Neil, Mehta, Pruthvi, Tsui, Ka Ming, Fukuda, Yoshiyuki, Itow, Yoshitaka, Menjo, Hiroaki, Sato, Kazufumi, Lagoda, Justyna, Lakshmi, S. Mohan, Mijakowski, Piotr, Zalipska, Joanna, Jiang, Junjie, Jung, Chang K., Vilela, Cristovao, Wilking, Michael, Yanagisawa, Chiaki, Harada, Masayuki, Ishino, Hirokazu, Ito, Shintaro, Kitagawa, Hussain, Koshio, Yusuke, Ma, Wenjie, Piplani, Nishtha, Sakai, Seiya, Barr, Gile, Barrow, Danial, Cook, Laurence, Goldsack, Alexander, Samani, Soniya, Wark, David, Nova, Federico, Yang, Jeong Yeol, Jenkins, Sam J., Malek, Matthew, Mcelwee, Jordan, Stone, Owen, Thiesse, Matthew D., Thompson, Lee F., Okazawa, Hiroko, Kim, Soo Bong, Yu, Intae, Ichikawa, Atsuko, Nakamura, Kiseki, Nishijima, Kyoshi, Koshiba, Masatoshi, Iwamoto, Konosuke, Nakajima, Yasuhiro, Ogawa, Natsumi, Yokoyama, Masashi, Martens, Kai, Vagins, Mark, Kuze, Masahiro, Izumiyama, Shota, Inomoto, Michitaka, Ishitsuka, Masaki, Ito, Hiroshi, Kinoshita, Tatsushi, Matsumoto, Ryo, Shinoki, Masataka, Suganuma, Takuto, Martin, John Fraser, Tanaka, Hirohisa, Towstego, Trevor, Akutsu, Ryosuke, de Perio, Patrick, Hartz, Mark, Konaka, Akira, Prouse, Nick, Chen, Shaomin, Xu, Benda D., Posiadala-Zezula, Magdalena, Hadley, David, O'Flaherty, Marcu, Richards, Benjamin, Jamieson, Blair, Walker, John, Minamino, Akihiro, Pintaudi, Ggiorgio, Sano, Shiochi, and Sasaki, Ryota
Subjects: Physics, Particle physics, Gravitational wave, Cherenkov detector, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Detector, Flux, law.invention, law, Time windows, High Energy Physics::Experiment, Total energy, Neutrino, Super-Kamiokande
Abstract: Super-Kamiokande (SK) is a 50-kt water Cherenkov detector, instrumented with $\sim 13$k photo-multipliers and running since 1996. It is sensitive to neutrinos with energies ranging from 4.5 MeV to several TeV. A new framework has been developed for the follow-up of gravitational wave (GW) alerts issued by the LIGO-Virgo collaboration (LVC). Neutrinos are searched for, using a 1000-second time window centered on the alert time and in both SK low-energy and high-energy samples. Such observation can then be used to constrain the neutrino emission from the GW source. The significance of potential signals has been obtained by comparing neutrino direction with the localization of the GW. The computation of limits on incoming neutrino flux and on the total energy emitted in neutrinos by the source has been performed for the different neutrino flavors. The results using the LVC GWTC-2 catalog (covering O3a period) are presented, as well as the outlooks for the future real-time public release of follow-ups for the O4 period (in 2022) and beyond.
Published: 2021

50. Search for proton decay via p→e+π0 and p→μ+π0 with an enlarged fiducial volume in Super-Kamiokande I-IV

Author: J. S. Jang, B. Bodur, Yuji Kishimoto, L. H. V. Anthony, Rongkun Wang, J. L. Raaf, L. Labarga, K. Nakamura, T. Niwa, T. Kobayashi, F. d. M. Blaszczyk, M. Jakkapu, M. Hartz, Y. Nishimura, P. Weatherly, S. Moriyama, Y. Isobe, T. Boschi, Hiroshi Ito, B. Richards, G. Santucci, Masayuki Nakahata, N. Ospina, Y. Uchida, V. Takhistov, C. K. Jung, M. Mori, M. Taani, Y. Sonoda, M. Ikeda, M. Koshiba, P. de Perio, T. Yano, A. T. Suzuki, K. Okamoto, J. F. Martin, Masato Shiozawa, Y. Choi, Yoshitaka Itow, H. Okazawa, G. Pintaudi, E. Radicioni, L. Ludovici, W. R. Kropp, K. Sakashita, Yutaka Nakajima, C. Xu, Hiroaki Menjo, P. Paganini, M. Miura, T. Nakadaira, G. Pronost, F. Iacob, R. G. Park, B. D. Xu, N. F. Calabria, O. Drapier, Makoto Sakuda, Ke. Nakamura, M. Jiang, A. Coffani, M. Posiadala-Zezula, T. Horai, Ko Okumura, H. W. Sobel, S. Matsuno, A. Giampaolo, S. Molina Sedgwick, Yuuki Nakano, T. Mochizuki, T. Tashiro, T. Towstego, S. Imaizumi, K. Hagiwara, H.A. Tanaka, S. Cao, S. Sakai, B. W. Pointon, F. Nova, R. Sasaki, R. Matsumoto, Intae Yu, P. Mehta, Y. Kataoka, D. Fukuda, C. Bronner, M. G. Catanesi, S. Han, Pablo Fernandez, H. Miyabe, M. J. Wilking, Yuichi Oyama, R. P. Litchfield, C. M. Nantais, D. Bravo-Berguño, B. Quilain, J. G. Learned, K. Yasutome, S. Zsoldos, Y. Kuno, Ke. Abe, K. Nishijima, S. Locke, Atsushi Takeda, J. C. Hill, K. Ohta, T. Wester, E. Kearns, Vincenzo Berardi, N. Piplani, G. De Rosa, Masashi Yokoyama, J. L. Stone, David A. Wark, J. Y. Yang, M. Tsukada, Y. Takahira, Masaki Ishitsuka, M. Thiesse, K. Iwamoto, G.D. Barr, A. Konaka, S. J. Jenkins, M. R. Vagins, J. Walker, N. J. Griskevich, A. Ali, Yusuke Koshio, Y. Takemoto, A. Pritchard, W. Y. Ma, D. Barrow, L. F. Thompson, T. Ishizuka, Makoto Hasegawa, Y. Nagao, J. McElwee, A. Minamino, Tsuyoshi Nakaya, B. Jamieson, M. Shinoki, K. Frankiewicz, N. McCauley, S. B. Kim, I. T. Lim, S. Yamamoto, T. Matsubara, J. Y. Kim, A. Orii, S. El Hedri, J. Feng, L. Cook, Y. Takeuchi, T. Kajita, J. Bian, H. K. Tanaka, Seiko Hirota, T. Kikawa, M. Gonin, J. Xia, M. Friend, Masaaki Tanaka, N. W. Prouse, C. W. Walter, T. Sugimoto, Hiroyuki Sekiya, Y. Fukuda, L. Wan, R. Akutsu, Y. Hayato, T. Sekiguchi, Yasunari Suzuki, T. Shiozawa, C. Vilela, Ll. Marti, T. Yoshida, Song Chen, K. S. Ganezer, Yuto Ashida, T. Tsukamoto, T. Okada, T. Nakamura, N. Ogawa, T. Ishida, C. Yanagisawa, A. Goldsack, S. Nakayama, R. A. Wendell, A. Takenaka, K. Sato, A. K. Ichikawa, J. Kameda, Th. A. Mueller, Shintaro Ito, P. Mijakowski, Kalen Martens, Kate Scholberg, S. Mine, K. M. Tsui, Takehisa Hasegawa, M. Lamoureux, Hirokazu Ishino, Chris Simpson, G. Collazuol, F. Di Lodovico, M. Kuze, M. Inomoto, A. A. Sztuc, M. B. Smy, B. Zaldivar, Yuta Kato, L. N. Machado, and M. Harada
Subjects: Physics, 010308 nuclear & particles physics, Proton decay, Detector, 01 natural sciences, Lower limit, Nuclear physics, Volume (thermodynamics), 0103 physical sciences, Pi, Atmospheric neutrino, 010306 general physics, Fiducial marker, Super-Kamiokande
Abstract: We have searched for proton decay via p→e+π0 and p→μ+π0 modes with the enlarged fiducial volume data of Super-Kamiokande from April 1996 to May 2018, which corresponds to 450 kton·years exposure. We have accumulated about 25% more livetime and enlarged the fiducial volume of the Super-Kamiokande detector from 22.5 kton to 27.2 kton for this analysis, so that 144 kton·years of data, including 78 kton·years of additional fiducial volume data, has been newly analyzed. No candidates have been found for p→e+π0 and one candidate remains for p→μ+π0 in the conventional 22.5 kton fiducial volume and it is consistent with the atmospheric neutrino background prediction. We set lower limits on the partial lifetime for each of these modes: τ/B(p→e+π0)>2.4×1034 years and τ/B(p→μ+π0)>1.6×1034 years at 90% confidence level.
Published: 2020

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