- Main
The Hyper-Kamiokande Experiment -- Snowmass LOI
- Collaboration, Hyper-Kamiokande;
- :;
- Abe, K;
- Adrich, P;
- Aihara, H;
- Akutsu, R;
- Alekseev, I;
- Ali, A;
- Ameli, F;
- Anthony, LHV;
- Araya, A;
- Asaoka, Y;
- Aushev, V;
- Bandac, I;
- Barbi, M;
- Barr, G;
- Batkiewicz-Kwasniak, M;
- Bellato, M;
- Berardi, V;
- Bernard, L;
- Bernardini, E;
- Berns, L;
- Bhadra, S;
- Bian, J;
- Blanchet, A;
- Blondel, A;
- Boiano, A;
- Bolognesi, S;
- Bonavera, L;
- Borjabad, S;
- Boschi, T;
- Bose, D;
- Boyd, SB;
- Bozza, C;
- Bravar, A;
- Bronner, C;
- Bubak, A;
- Buchowicz, A;
- Avanzini, M Buizza;
- Cafagna, FS;
- Calabria, NF;
- Calvo-Mozota, JM;
- Cao, S;
- Catanesi, MG;
- Chakraborty, S;
- Choi, JH;
- Choubey, S;
- Cicerchia, M;
- Coleman, J;
- Collazuol, G;
- Cuen-Rochin, S;
- Danilov, M;
- De la Fuente, E;
- de Perio, P;
- De Rosa, G;
- Dealtry, T;
- Densham, CJ;
- Dergacheva, A;
- Deshmukh, N;
- Devi, MM;
- Di Lodovico, F;
- Di Meo, P;
- Di Palma, I;
- Doyle, TA;
- Drakopoulou, E;
- Drapier, O;
- Dumarchez, J;
- Eklund, L;
- Hedri, S El;
- Ellis, J;
- Emery, S;
- Esmaili, A;
- Fedotov, S;
- Feng, J;
- Fernández-Martinez, E;
- Ferrario, P;
- Ferrazzi, B;
- Finch, A;
- Finley, C;
- Fiorillo, G;
- Fitton, M;
- Friend, M;
- Fujii, Y;
- Fukuda, Y;
- Galinski, G;
- Gao, J;
- Garde, C;
- Garfagnini, A;
- Garode, S;
- Gialanella, L;
- Giganti, C;
- Gomez-Cadenas, JJ;
- Gonin, M;
- González-Nuevo, J;
- Gorin, A;
- Gornea, R;
- Gramegna, F;
- Grassi, M;
- Grella, G;
- Guigue, M;
- Hadley, DR;
- Harada, M;
- Hartz, M;
- Hassani, S;
- Hastings, NC;
- Hayato, Y;
- Hiraide, K;
- Hoshina, K;
- Hultqvist, K;
- Iacob, F;
- Ichikawa, AK;
- Ibnsalih, W Idrissi;
- Ikeda, M;
- Inomoto, M;
- Ioannisian, A;
- Ishida, T;
- Ishidoshiro, K;
- Ishino, H;
- Ishitsuka, M;
- Ito, H;
- Ito, S;
- Itow, Y;
- Iwamoto, K;
- Izumi, N;
- Izumiyama, S;
- Jakkapu, M;
- Jamieson, B;
- Jang, JS;
- Jo, HS;
- Jonsson, P;
- Joo, KK;
- Kajita, T;
- Kakuno, H;
- Kameda, J;
- Kano, Y;
- Karlen, D;
- Kataoka, Y;
- Kato, A;
- Katori, T;
- Kazarian, N;
- Khabibullin, M;
- Khotjantsev, A;
- Kikawa, T;
- Kim, JY;
- Kim, SB;
- King, S;
- Kinoshita, T;
- Kisiel, J;
- Klekotko, A;
- Kobayashi, T;
- Koerich, L;
- Kolev, N;
- Konaka, A;
- Kormos, LL;
- Koshio, Y;
- Kotsar, Y;
- Kouzakov, KA;
- Kowalik, KL;
- Kravchuk, L;
- Kryukov, AP;
- Kudenko, Y;
- Kumita, T;
- Kurjata, R;
- Kutter, T;
- Kuze, M;
- Kwak, K;
- La Commara, M;
- Labarga, L;
- Lagoda, J;
- Lamoureux, M;
- Laveder, M;
- Lavitola, L;
- Lee, J;
- Leitner, R;
- Lezaun, V;
- Lim, IT;
- Lindner, T;
- Litchfield, RP;
- Long, KR;
- Longhin, A;
- Loverre, P;
- Lu, X;
- Ludovici, L;
- Maekawa, Y;
- Magaletti, L;
- Magar, K;
- Makida, Y;
- Malek, M;
- Malinský, M;
- Marchi, T;
- Mariani, C;
- Marinelli, A;
- Martens, K;
- Marti, Ll;
- Martin, JF;
- Martin, D;
- Marzec, J;
- Matsubara, T;
- Matsumoto, R;
- McCauley, N;
- Medhi, A;
- Mehta, P;
- Mellet, L;
- Menjo, H;
- Mezzetto, M;
- Migenda, J;
- Migliozzi, P;
- Miki, S;
- Minamino, A;
- Mine, S;
- Mineev, O;
- Mitra, A;
- Miura, M;
- Moharana, R;
- Mollo, CM;
- Mondal, T;
- Mongelli, M;
- Monrabal, F;
- Moon, DH;
- Moon, CS;
- Moriyama, S;
- Mueller, T;
- 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;
- Machado, L Nascimento;
- Naseby, CER;
- Navarro-Garcia, B;
- Needham, M;
- Niewczas, K;
- Nishimura, Y;
- Nova, F;
- Nugent, JC;
- Nunokawa, H;
- Obrebski, W;
- Ochoa-Ricoux, JP;
- O'Connor, E;
- Ogawa, N;
- Ogitsu, T;
- Okamoto, K;
- O'Keeffe, HM;
- Okumura, K;
- Onishchuk, Y;
- Orozco-Luna, F;
- Oshlianskyi, A;
- Ospina, N;
- Ostrowski, M;
- O'Sullivan, E;
- Oyama, Y;
- Ozaki, H;
- Pac, MY;
- Paganini, P;
- Palladino, V;
- Pari, M;
- Pasternak, J;
- Pastore, C;
- Pastuszak, G;
- Patel, DA;
- Pavin, M;
- Payne, D;
- Peña-Garay, C;
- Pidcott, C;
- Playfer, S;
- Pointon, BW;
- Popov, A;
- Popov, B;
- Porwit, K;
- Posiadala-Zezula, M;
- Pronost, G;
- Prouse, NW;
- Quilain, B;
- Quiroga, AA;
- Radicioni, E;
- Radics, B;
- Rajda, PJ;
- Rescigno, M;
- Ricciardi, G;
- Richards, B;
- Rondio, E;
- Roskovec, B;
- Roth, S;
- Rott, C;
- Rubbia, A;
- Ruggeri, AC;
- Russo, S;
- Rychter, A;
- Ryu, D;
- Sakashita, K;
- Samani, S;
- Sánchez, F;
- Sánchez, ML;
- Sano, S;
- Santos, JD;
- Santucci, G;
- Sarmah, P;
- Sato, K;
- Scott, M;
- Seiya, Y;
- Sekiguchi, T;
- Sekiya, H;
- Seo, JW;
- Sgalaberna, D;
- Shaykina, A;
- Shimizu, I;
- Shin, CD;
- Shinoki, M;
- Shiozawa, M;
- Skrobova, N;
- Skwarczynski, K;
- Smy, MB;
- Sobczyk, J;
- Sobel, HW;
- Soler, FJP;
- Sonoda, Y;
- Spina, R;
- Spisso, B;
- Spradlin, P;
- Stankevich, KL;
- Stawarz, L;
- Stellacci, SM;
- Studenikin, AI;
- Gómez, SL Suárez;
- Suganuma, T;
- Suvorov, S;
- Suwa, Y;
- Suzuki, AT;
- Suzuki, S;
- Suzuki, Y;
- Svirida, D;
- Taani, M;
- Tada, M;
- Takeda, A;
- Takemoto, Y;
- Takenaka, A;
- Taketa, A;
- Takeuchi, Y;
- Tanaka, H;
- Tanaka, HI;
- Tanaka, M;
- Tashiro, T;
- Thiesse, M;
- Thompson, LF;
- Tomatani-Sánchez, AK;
- Tortone, G;
- Tsui, KM;
- Tsukamoto, T;
- Tzanov, M;
- Uchida, Y;
- Vagins, MR;
- Valder, S;
- Valentino, V;
- Vasseur, G;
- Vijayvargi, A;
- Vinning, WGS;
- Vivolo, D;
- Vogelaar, RB;
- Vyalkov, MM;
- Wachala, T;
- Walker, J;
- Wark, D;
- Wascko, MO;
- Wendell, RA;
- Wilson, JR;
- Wronka, S;
- Xia, J;
- Yamaguchi, Y;
- Yamamoto, K;
- Yano, T;
- Yershov, N;
- Yokoyama, M;
- Yoo, J;
- Yu, I;
- Zakrzewski, T;
- Zaldivar, B;
- Zalipska, J;
- Zaremba, K;
- Zarnecki, G;
- Ziembicki, M;
- Zietara, K;
- Zito, M;
- Zsoldos, S
- et al.
Abstract
Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times larger effective volume than its predecessor will be located along the T2K neutrino beamline and utilize an upgraded J-PARC beam with 2.6~times beam power. Hyper-K's low energy threshold combined with the very large fiducial volume make the detector unique, that is expected to acquire an unprecedented exposure of 3.8~Mton$\cdot$year over a period of 20~years of operation. Hyper-Kamiokande combines an extremely diverse science program including nucleon decays, long-baseline neutrino oscillations, atmospheric neutrinos, and neutrinos from astrophysical origins. The scientific scope of this program is highly complementary to liquid-argon detectors for example in sensitivity to nucleon decay channels or supernova detection modes. Hyper-Kamiokande construction has started in early 2020 and the experiment is expected to start operations in 2027. The Hyper-Kamiokande collaboration is presently being formed amongst groups from 19 countries including the United States, whose community has a long history of making significant contributions to the neutrino physics program in Japan. US physicists have played leading roles in the Kamiokande, Super-Kamiokande, EGADS, K2K, and T2K programs.
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