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arxiv: 1007.3812 · v1 · submitted 2010-07-22 · ✦ hep-ex · physics.comp-ph

On the Sensitivity of L/E Analysis of Super-Kamiokande Atmospheric Neutrino Data to Neutrino Oscillation Part~1

E. Konishi (1) , Y. Minorikawa (2) , V.I. Galkin (3) , M. Ishiwata (4) , I. Nakamura (4) , N. Takahashi (1) , M. Kato (5) , A. Misaki (6) ((1) Graduate School of Science
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Technology Hirosaki University Hirosaki Japan (2) Department of Science School of Science Engineering Kinki University Higashi-Osaka (3) Department of Physics Moscow State University Moscow Russia (4) Department of Physics Saitama University Saitama (5) Kyowa Interface Science Co. Ltd. (6) Research Institute for Science Waseda University Tokyo Japan )
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classification ✦ hep-ex physics.comp-ph
keywords oscillationneutrinoanalysissuper-kamiokandeapproximatelymaximumpartachievements
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It is said that the finding of the maximum oscillation in neutrino oscillation by Super-Kamiokande is one of the major achievements of the SK. In present paper, we examine the assumption made by Super-Kamiokande Collaboration that the direction of the incident neutrino is approximately the same as that of the produced lepton, which is the cornerstone in their L/E analysis and we find this approximation does not hold even approximately. In the Part 2 of the subsequent paper, we apply the results from Figures 12, 13 and 14 to L/E analysis and conclude that one cannot obtain the maximum oscillation in L/E analysis which shows strongly the oscillation pattern from the neutrino oscillation.

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