Measurement of neutrino oscillation by the K2K experiment

Ahn, Myunggeun; Aliu, E.; Andringa, S.; Aoki, S.; Aoyama, Yuya; Argyriades, J.; Asakura, K.; Ashie, R.; Berghaus, F.; Berns, H.; Bhang, H.; Blondel, A.; Borghi, S.; Bouchez, J.; Boyd, S.; Burguet–Castell, J.; Casper, D.; Catala, J.; Cavata, C.; Cervera, A.; Chen, S. M.; Cho, K. O.; Choi, J. H.; Dore, U.; Echigo, S.; Espinal, X.; Fechner, M.; Fernández, E.; Fujii, Kotaro; Fujii, Y.; Fukuda, Satoshi; Fukuda, Y.; Gómez-Cadenas, J.J.; Gran, R.; Hara, T.; Hasegawa, M.; Hasegawa, T.; Hayashi, Kenji; Hayato, Y.; Helmer, R. L.; Higuchi, I.; Hill, J.; Hiraide, K.; Hirose, E.; Hosaka, J.; Ichikawa, A. K.; Ieiri, M.; Iinuma, M.; Ikeda, Akihiro; Inagaki, T.; Ishida, Toru; Ishihara, K.; Ishii, H.; Ishii, T.; Ishino, H.; Ishitsuka, M.; Itow, Y.; Iwashita, T.; Jang, H. I.; Jang, J. S.; Jeon, E. J.; Jeong, In Seok; Joo, K. K.; Jover, G.; Jung, C. K.; Kajita, T.; Kameda, J.; Kaneyuki, K.; Kang, B. H.; Kato, I.; Kato, Y.; Kearns, E.; Kerr, D.; Kim, C. O.; Khabibullin, M.; Khotjantsev, A.; Kiełczewska, D.; Kim, B. J.; Kim, H. I.; Kim, J. H.; Kim, J. Y.; Kim, S. B.; Kitamura, M.; Kitching, P.; Kobayashi, Kazuyoshi; Kobayashi, T.; Kohama, M.; Konaka, A.; Koshio, Y.; Kropp, W.; Kubota, Jun; Kudenko, Y.; Kume, G.; Kuno, Y.; Kurimoto, Yoshinori; Kutter, T.; Learned, J. G.; Likhoded, S.; Lim, I. T.; Lim, Sung Hak; Loverre, P.; Ludovici, L.; Maesaka, H.; Mallet, J.; Mariani, C.; Martens, K.; Maruyama, T.; Matsuno, S.; Matveev, V.; Mauger, C.; Mahn, K. B. M.; McGrew, C.; Mikheyev, S.; Minakawa, M.; Minamino, A.; Mine, S.; Mineev, O.; Mitsuda, C.; Mitsuka, G.; Miura, M.; Moriguchi, Y.; Morita, T.; Moriyama, S.; Nakadaira, T.; Nakahata, M.; Nakamura, K.; Nakano, I.; Nakata, F.; Nakaya, T.; Nakayama, S.; Namba, T.; Nambu, R.; Nawang, S.; Nishikawa, K.; Nishino, H.; Nishiyama, S.; Nitta, Koh‐hei; Noda, Shuichi; Noumi, H.; Nova, F.; Novella, P.; Obayashi, Y.; Okada, Atsushi; Okumura, K.; Okumura, M.; Onchi, M.; Ooyabu, T.; Oser, S. M.; Otaki, T.; Oyama, Y.; Pac, M. Y.; Park, H.; Pierre, F.; Rodriguez, A.; Saji, C.; Sakai, Akito; Sakuda, M.; Sakurai, N.; Sánchez, F.; Sarrat, A.; Sasaki, T.; Sato, H.; Satô, K.; Scholberg, K.; Schroeter, R.; Sekiguchi, M.; Seo, E. S.; Sharkey, E.; Shima, Asuka; Shiozawa, M.; Shiraishi, Kiyoshi; Sitjes, G.; Smy, M.; So, Hyoungmin; Sobel, H.; Sorel, M.; Stone, J. L.; Sulak, L.; Suga, Yuki; Suzuki, Y.; Suzuki, Y.; Suzuki, Y.; Tada, M.; Takahashi, Takuya; Takasaki, M.; Takatsuki, M.; Takenaga, Y.; Takenaka, K.; Takeuchi, H.; Takeuchi, Y.; Taki, K.; Takubo, Y.; Tamura, N.; Tanaka, H.; Таnака, К.; Tanaka, M.; Tanaka, Y.; Tashiro, K.; Terri, R.; T’Jampens, S.; Tornero-López, A.; Toshito, T.; Totsuka, Y.; Ueda, S.; Vagins, M. R.; Whitehead, L.; Walter, C. W.; Wang, W.; Wilkes, R. J.; Yamada, S.; Yamada, Y.; Yamamoto, S.; Yamanoi, Y.; Yanagisawa, C.; Yershov, N.; Yokoyama, H.; Yokoyama, M.; Yoo, J.; Yoshida, M.; Zalipska, J.

doi:10.1103/physrevd.74.072003

articlePhysical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmologyOct 12, 2006BRONZE OA

Measurement of neutrino oscillation by the K2K experiment

MAMyunggeun Ahn EAE. Aliu SAS. Andringa SAS. Aoki YAYuya Aoyama

Seoul National University · Universitat Autònoma de Barcelona · +37 more institutions

Indexed inarxivcrossref

Abstract

We present measurements of ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment. One-hundred and twelve beam-originated neutrino events are observed in the fiducial volume of Super-Kamiokande with an expectation of ${158.1}_{\ensuremath{-}8.6}^{+9.2}$ events without oscillation. A distortion of the energy spectrum is also seen in 58 single-ring muonlike events with reconstructed energies. The probability that the observations are explained by the expectation for no neutrino oscillation is 0.0015% ($4.3\ensuremath{\sigma}$). In a two-flavor oscillation scenario, the allowed $\ensuremath{\Delta}{m}^{2}$ region at ${sin…

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Topics & keywords

Topics

Keywords

Neutrino oscillation
Physics
Neutrino
Nuclear physics

UN Sustainable Development Goals

Affordable and clean energy

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