Atmospheric Neutrino Oscillations in Three-Flavor Neutrinos : Particles and Fields

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概要

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• We analyze the atmospheric neutrino experiments of SuperKamiokande including zenith angle dependences using the three-flavor neutrino framework with the hierarchy m^2_1 ≈ m^2_2 ≪ m^2_3. Taking into account the terrestrial, solar neutrino experimental data and the atmospheric neutrino experiments, including the sub-GeV and multi-GeV data in SuperKamiokande, a large angle solution in the solar neutrino experiments is favored and the range of the mass parameter Δm^2_<23> is restricted in the range 0.08eV^2-2eV^2. Allowed regions of mixing parameters are θ_<13> < 4°, 27° < θ_<23> < 32° for Δm^2_<23> = 1 eV^2 and θ_<l3> < 3°, 28° < θ_<23> < 33° for Δm^2_<23> = 0.1 eV^2.

• 理論物理学刊行会の論文
• 1999-01-25

著者

• TESHIMA Tadayuki

  Department of Applied Physics, Chubu Institute of Technology

• Teshima Tadayuki

  Department Of Applied Physics Chubu Institute Of Technology

• SAKAI Tadakatsu

  Yukawa Institute for Theoretical Physics, Kyoto University

• Sakai Toyokazu

  Department Of Applied Physics Chubu University

• TESHIMA Tadayuki

  Depariment of Applied Physics, Chubu Institute of Technology

• SAKAI Tadakatsu

  Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics and Astronomy, Tel-Aviv University

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