Evidence for an oscillatory signature in atmospheric neutrino oscillations

Muon neutrino disappearance probability as a function of neutrino flight length L over neutrino energy E was studied. A dip in the L/E distribution was observed in the data, as predicted from the sinusoidal flavor transition probability of neutrino oscillation. The observed L/E distribution constrai...

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Bibliographic Details
Published in:Physical review letters Vol. 93; no. 10; p. 101801
Main Authors: Ashie, Y, Hosaka, J, Ishihara, K, Itow, Y, Kameda, J, Koshio, Y, Minamino, A, Mitsuda, C, Miura, M, Moriyama, S, Nakahata, M, Namba, T, Nambu, R, Obayashi, Y, Shiozawa, M, Suzuki, Y, Takeuchi, Y, Taki, K, Yamada, S, Ishitsuka, M, Kajita, T, Kaneyuki, K, Nakayama, S, Okada, A, Okumura, K, Ooyabu, T, Saji, C, Takenaga, Y, Desai, S, Kearns, E, Likhoded, S, Stone, J L, Sulak, L R, Walter, C W, Wang, W, Goldhaber, M, Casper, D, Cravens, J P, Gajewski, W, Kropp, W R, Liu, D W, Mine, S, Smy, M B, Sobel, H W, Sterner, C W, Vagins, M R, Ganezer, K S, Hill, J, Keig, W E, Jang, J S, Kim, J Y, Lim, I T, Ellsworth, R W, Tasaka, S, Guillian, G, Kibayashi, A, Learned, J G, Matsuno, S, Takemori, D, Messier, M D, Hayato, Y, Ichikawa, A K, Ishida, T, Ishii, T, Iwashita, T, Kobayashi, T, Maruyama, T, Nakamura, K, Nitta, K, Oyama, Y, Sakuda, M, Totsuka, Y, Suzuki, A T, Hasegawa, M, Hayashi, K, Inagaki, T, Kato, I, Maesaka, H, Morita, T, Nakaya, T, Nishikawa, K, Sasaki, T, Ueda, S, Yamamoto, S, Haines, T J, Dazeley, S, Hatakeyama, S, Svoboda, R, Blaufuss, E, Goodman, J A, Sullivan, G W, Turcan, D, Scholberg, K, Habig, A, Fukuda, Y, Jung, C K, Kato, T, Kobayashi, K, Malek, M, Mauger, C
Format: Journal Article
Language:English
Published: United States 03-09-2004
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Summary:Muon neutrino disappearance probability as a function of neutrino flight length L over neutrino energy E was studied. A dip in the L/E distribution was observed in the data, as predicted from the sinusoidal flavor transition probability of neutrino oscillation. The observed L/E distribution constrained nu(micro)<-->nu(tau) neutrino oscillation parameters; 1.9x10(-3)<Deltam(2)<3.0x10(-3) eV(2) and sin((2)2theta>0.90 at 90% confidence level.
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ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.93.101801