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2008 Fiscal Year Final Research Report

Theoretical Investigation of How to Determine Structure of Lepton Flavor Mixing

Research Project

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Project/Area Number 19340062
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionTokyo Metropolitan University

Principal Investigator

MINAKATA Hisakazu  Tokyo Metropolitan University, 理工学研究科, 教授 (00112475)

Co-Investigator(Kenkyū-buntansha) YASUDA Osamu  首都大学東京, 理工学研究科, 准教授 (50183116)
Co-Investigator(Renkei-kenkyūsha) KAJITA Takaaki  東京大学, 宇宙線研究所, 教授 (40185773)
Project Period (FY) 2007 – 2008
Keywordsニュートリノ振動 / フレーバー混合 / CP非保存 / MSW機構 / 非標準的相互作用 / ニュートリノ質量階層性 / 長基線ニュートリノ実験 / 超新星ニュートリノ
Research Abstract

スーパー神岡実験によって質量とフレーバー混合が存在することが発見されたニュートリノという素粒子が未知の非標準的相互作用(NSI)をもつ可能性について研究した。NSIが存在する系におけるニュートリノ振動の全般的性質を明らかにし、全く新しいタイプの多重解の存在を見いだした。ニュートリノファクトリーを用いるNSI探索における積年の問題である1-3角とNSIとの混同の問題の解決方法を提示し、NSIの最も感度の高い探索方法を明らかにした。さらに、ミュー・タウニュートリノチャンネルにおける非標準的相互作用の探索には数年前に提唱した神岡・韓国2検出器系が有利であることを指摘し、この感度評価を行った。

  • Research Products

    (33 results)

All 2009 2008 2007

All Journal Article (19 results) Presentation (12 results) Book (2 results)

  • [Journal Article] Perturbation Theory of Neutrino Oscillation with Nonstandard Neutrino Interactions2009

    • Author(s)
      T. Kikuchi, H. Minakata, S. Uchinami
    • Journal Title

      Journal of High Energy Physics 03

      Pages: 114-1-49

  • [Journal Article] Probing Nonstandard Neutrino Physics by Two Identical Detectors with Different Baselines2008

    • Author(s)
      N. Cipriano Ribeiro, T. Kajita, P. Ko, H. Minakata, S. Nakayama, H. Nunokawa
    • Journal Title

      Physical Review D 77

      Pages: 073007-1-12

  • [Journal Article] Parameter Degeneracy in Flavor-Dependent Reconstruction of Neutrino Fluxes in Supernova2008

    • Author(s)
      H. Minakata, H. Nunokawa, R. Tomas, J. W. F. Valle
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 12

      Pages: 006-1-23

  • [Journal Article] Long Baseline Neutrino Experiments with Two-Detector Setup2008

    • Author(s)
      H. Minakata
    • Journal Title

      International Journal of Modern Physics A 23

      Pages: 3388-3394

  • [Journal Article] Looking for Leptonic CP Violation with Neutrinos2008

    • Author(s)
      H. Minakata
    • Journal Title

      Acta Physica Polonica B 39

      Pages: 283-294

  • [Journal Article] [Super-Kamiokande Collaboration] : Study of TeV Neutrinos with Upward Showering Muons in Super-Kamiokande2008

    • Author(s)
      S. Desai, T. Kajita et. al
    • Journal Title

      Astroparticle Physics 29

      Pages: 42-54

  • [Journal Article] [Super-Kamiokande Collaboration] : Experimental study of the atmospheric neutrino backgrounds for proton decay to positron and neutral pion searches in water Cherenkov detectors2008

    • Author(s)
      S. Mine, T. Kajita et. al
    • Journal Title

      Physical Review D77

      Pages: 032003-1-13

  • [Journal Article] [Super-Kamiokande Collaboration] : Search for Matter-Dependent Atmospheric Neutrino Oscillations in Super-Kamiokande2008

    • Author(s)
      K. Abe, T. Kajita et. al
    • Journal Title

      Physical Review D77

      Pages: 052001-1-6

  • [Journal Article] [Super-Kamiokande Collaboration] : Solar neutrino measurements in Super-Kamiokande-II2008

    • Author(s)
      J.P. Cravens, T. Kajita et. al
    • Journal Title

      Physical Review D78

      Pages: 32002-1-11

  • [Journal Article] Probing Nonstandard Neutrino Interactions with Neutrino Factories2007

    • Author(s)
      N. Cipriano Ribeiro, H. Minakata, H. Nunokawa, S. Uchinami, and R. Zukanovich Funchal
    • Journal Title

      Journal of High Energy Physics 12

      Pages: 002-1-46

  • [Journal Article] Determination of the Neutrino Mass Hierarchy via the Phase of the Disappearance Oscillation Probability with a Monochromatic ne Source2007

    • Author(s)
      H. Minakata, H. Nunokawa, S.J. Parke, R. Zukanovich Funchal
    • Journal Title

      Physical Review D76

      Pages: 053004-1-14

  • [Journal Article] In situ Determination of Earth Matter Density in a Neutrino Factory2007

    • Author(s)
      H. Minakata and S. Uchinami
    • Journal Title

      Physical Review D75

      Pages: 073013-1-12

  • [Journal Article] Resolving Eight-Fold Neutrino Parameter Degeneracy by Two Identical Detectors with Different Baselines2007

    • Author(s)
      T. Kajita, H. Minakata, S. Nakayama, H. Nunokawa
    • Journal Title

      Physical Review D75

      Pages: 013006-1-12

  • [Journal Article] New Physics Effects in Long Baseline Experiments2007

    • Author(s)
      O. Yasuda
    • Journal Title

      Acta Physica Polonica B38

      Pages: 3381-3388

  • [Journal Article] CP-violation from non-unitary leptonic mixing2007

    • Author(s)
      E. Fernandez-Martinez, M.B. Gavela, J. Lopez-Pavon, O. Yasuda
    • Journal Title

      Physics Letters B649

      Pages: 427-435

  • [Journal Article] A formula for the sensitivity to sin2(2theta(13)) in reactor experiments with a spectral analysis2007

    • Author(s)
      H. Sugiyama and O. Yasuda
    • Journal Title

      International Journal of Modern Physics A22

      Pages: 3407-3428

  • [Journal Article] [Super-Kamiokande Collaboration] : Search for Supernova Neutrino Bursts at Super-Kamiokande2007

    • Author(s)
      M. Ikeda, T. Kajita et. al
    • Journal Title

      Astrophysical Journal 669

      Pages: 519-524

  • [Journal Article] Calculation of atmospheric neutrino flux using the interaction model calibrated withatmospheric muon data2007

    • Author(s)
      M. Honda, T. Kajita, K. Kasahara, S. Midorikawa, T. Sanuki
    • Journal Title

      Physical Review D75

      Pages: 043006-1-26

  • [Journal Article] Study of cosmic ray interaction model based on atmospheric muons for the neutrino flux calculation2007

    • Author(s)
      T. Sanuki, M. Honda, T. Kajita, K. Kasahara and S. Midorikawa
    • Journal Title

      Physical Review D75

      Pages: 043005-1-17

  • [Presentation] Signatures of sterile neutrino mixing in high-energy cosmic neutrino flux2008

    • Author(s)
      O. Yasuda
    • Organizer
      A topical conference on elementary particle physics and cosmology
    • Place of Presentation
      Fort Lauderdale, Florida, USA, 16-21
    • Year and Date
      20081200
  • [Presentation] Non oscillation flavor physics at future neutrino oscillation facilities2008

    • Author(s)
      O. Yasuda
    • Organizer
      10th International Workshop on the Neutrino Factories, Superbeams, and Beta Beams
    • Place of Presentation
      Valencia, Spain
    • Year and Date
      20080630-0705
  • [Presentation] Phenomenology of Future Long-Baseline Neutrino Experiments2008

    • Author(s)
      H. Minakata
    • Organizer
      Invited Talk at XXIII InternationalC onference on Neutrino Physics and Astrophysics
    • Place of Presentation
      Christchurch, New Zealand
    • Year and Date
      20080525-31
  • [Presentation] Future Possibilities With The J-Parc Neutrino Beam2008

    • Author(s)
      T. Kajita
    • Organizer
      Invited Talk at XXIII International Conference on Neutrino Physics and Astrophysics
    • Place of Presentation
      Christchurch, New Zealand
    • Year and Date
      20080525-31
  • [Presentation] Probing Non-Standard Neutrino Physics at Neutrino Factory and T2KK, IV International Workshop on Neutrino Oscillations in Venice2008

    • Author(s)
      H. Minakata
    • Organizer
      Istituto Veneto di Scienze
    • Place of Presentation
      Lettere ed Arti, Palazzo Franchetti, Campo S. Stefano, Venice
    • Year and Date
      20080415-18
  • [Presentation] Prospects of Supernova Neutrino Observation by Large Detectors2007

    • Author(s)
      H. Minakata
    • Organizer
      Workshop on Next Generation Nucleon Decay and Neutrino Detectors 2007
    • Place of Presentation
      Hamamatsu, Japan
    • Year and Date
      20071002-05
  • [Presentation] Probing Nonstandard Neutrino Physics at T2KK2007

    • Author(s)
      N. Cipriano Ribeiro, T. Kajita, P. Ko, H. Minakata, S. Nakayama, H. Nunokawa
    • Organizer
      3rd International Workshop on a Far Detector in Korea for the J-PARC Neutrino Beam
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      20070930-1001
  • [Presentation] Future neutrino oscillation experiment with 2 detectors at Kamioka and Korea2007

    • Author(s)
      T. Kajita
    • Organizer
      10th International Conference On Topics In Astroparticle And Underground Physics (TAUP 2007) 11-15
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      20070900
  • [Presentation] Non-Standard Neutrino Physics Probed by Tokai-to-Kamioka-Korea Two-Detector Complex2007

    • Author(s)
      N. Cipriano Ribeiro, T. Kajita, P. Ko, H. Minakata, S. Nakayama, H. Nunokawa
    • Organizer
      13th Lomonosov Conference on Elementary Particle Physics
    • Place of Presentation
      Moscow State University
    • Year and Date
      20070823-29
  • [Presentation] Summary of WG1 (Theoretical Part)2007

    • Author(s)
      O. Yasuda
    • Organizer
      9th International Workshop on the Neutrino Factories
    • Place of Presentation
      Superbeams, and Beta Beams, Okayama University, Okayama
    • Year and Date
      20070806-11
  • [Presentation] What Can Double Beta2007

    • Author(s)
      H. Minakata
    • Organizer
      Decay Experiments Do-International Workshop on Double Beta Decay and Neutrinos
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      20070611-13
  • [Presentation] Neutrino Phenomenology INO-KEK Meeting2007

    • Author(s)
      O. Yasuda
    • Organizer
      高エネルギー加速器研究機構
    • Place of Presentation
      つくば市
    • Year and Date
      2007-11-27
  • [Book] Neutrino Factories, Superbeams And Betabeams. Proceedings of 9th International Workshop2008

    • Author(s)
      O. Yasuda, N. Mondal, C. Ohmori (編)
    • Total Pages
      389
    • Publisher
      American Institute for Physics
  • [Book] Far Detector in Korea for the J-PARC Neutrino Beam2007

    • Author(s)
      T. Kajita and S.B. Kim (編)
    • Total Pages
      173
    • Publisher
      Universal Academy Press

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Published: 2010-06-10   Modified: 2016-04-21  

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