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Evidence for an oscillatory signature in atmospheric neutrino oscillations |
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| 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 |
| Institution: | Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Gifu, 506-1205, Japan. |
| Abstract: | 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) |
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