Development of Neutrino-Nucleus Interactions From MeV to GeV Energy Region

2008 Fiscal Year Final Research Report

• Project/Area Number: 18340066
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Okayama University
• Principal Investigator: SAKUDA Makoto Okayama University, 大学院・自然科学研究科, 教授 (40178596)
• Co-Investigator(Kenkyū-buntansha): NAKAHATA Masayuki 東京大学, 宇宙線研究所, 教授 (70192672) ; SAKEMI Yasuhiro 東北大学, サイクロトロン・ラジオアイソトープセンター, 教授 (90251602)
• Co-Investigator(Renkei-kenkyūsha): OMAR Benhar ローマ大学, 物理学, 教授
• Project Period (FY): 2006 – 2008
• Keywords: 素粒子実験 / 原子核理論 / 原子核実験

Research Abstract

電子とニュートリノ原子核反応の中で一番重要な準弾性反応と生成反応を同時に記述するモデルを、詳細なデータがある電子核子・原子核反応を駆使して、作成、提案した。また、SK実験では系統的な超新星ニュートリノ探索解析を行い、SN1987A以来のSK 実験期間の超新星探索の論文を出版した。超新星背景ニュートリノの発見のためには、信号以外のバックグランドのニュートリノ反応を無くする中性子同時検出開発が重要と判断し、水にガドリニウム化合物を加える設計・開発を開始した

Research Products

• [Journal Article] First study of neutron tagging with a water Cherenkov detector (2009)
  • Author(s): H.Watanabe et.al. (SK 実験), M.Nakahata(130人中12番目), M.Sakuda(130人中106番目)
  • Journal Title: Astropart.Phys. 31 Pages: 320-328
  • Peer Reviewed
• [Journal Article] Pion production and quasielastic interactions in electron- and neutrino-nucleus scattering (2008)
  • Author(s): H.Nakamura , T.Nasu, M.Sakuda and Omar Benhar
  • Journal Title: AIP Conf.Proc. Vol.981 Pages: 234-236
  • Peer Reviewed
• [Journal Article] Measurement of single charged pion production in the charged-current interactions of neutrinos in a 1.3 GeV wide band beam (2008)
  • Author(s): A. Rodriguez, et.al.(K2K Collab.) M.Sakuda(作田誠155人中115番目)
  • Journal Title: Physical Review D78, 032003 Pages: 12
  • Peer Reviewed
• [Journal Article] 固有振動と断熱遷移についての教育 (2008)
  • Author(s): 作田誠, 西山由弘, 園田英徳
  • Journal Title: 日本物理学会, 大学の物理教育誌 Vol.14.No.1 Pages: 36-41
  • Peer Reviewed
• [Journal Article] Inclusive electron spectrum in the region of pion production in electron-nucleus scattering and the effect of the quasi-elastic interaction, (2007)
  • Author(s): H.Nakamura, M.Sakuda, T.Nasu, and O.Benhar
  • Journal Title: Phys.Rew C76,065208 Pages: 4
  • Peer Reviewed
• [Journal Article] Gamow-Teller Strength in the Exotic Odd-Odd Nuclei La-138 and Ta-180 and Its Relevance for Neutrino Nucleosynthesis (2007)
  • Author(s): A. Byelikov et.al., Y.Sakemi(25人中17番目)
  • Journal Title: Phys. Rev. Lett 98 Pages: 082501,4
  • Peer Reviewed
• [Journal Article] Measurement of the quasielastic axial vector mass in neutrino interactions on oxygen (2006)
  • Author(s): R. Gran et.al. (K2K Collab.) M.Sakuda(作田161人118中番目)
  • Journal Title: Phys.Rev D74 Pages: 052002-1-15
  • Peer Reviewed
• [Journal Article] Measurement of Neutrino Oscillation by the K2K Experiment (2006)
  • Author(s): M.Sakuda
  • Journal Title: Phys.Rev D74 Pages: 072003-1-39
  • Peer Reviewed
• [Journal Article] Lepton-nucleus scattering in the impulse approximation regime (2006)
  • Author(s): O.Benhar, N.Farina, H. NakamuraSakuda, R. Seki
  • Journal Title: Nucl.Phys. Proc. Suppl 155 Pages: 254-256
  • Peer Reviewed
• [Journal Article] ニュートリノと標準理論-最近の実験を中心に-
  • Author(s): 作田誠(小林誠氏総編)
  • Journal Title: 素粒子物理学の発展-未解決問題への多彩なアプローチ- (数理科学2007年10月別冊号) Pages: 122-130
  • Peer Reviewed
• [Presentation] ニュートリノ振動の精密測定のためのニュートリノ原子核反応の研究 (2008)
  • Author(s): 作田誠
  • Organizer: 東京大学宇宙線研究所共同利用研究発表会
  • Place of Presentation: 東大柏キャンパス(Invited)
  • Year and Date: 20081219-20
• [Presentation] Simulation for Gadolinium dissolved Water Cerenkov Detector (2008)
  • Author(s): Atsuko Kibayashi(非常勤研究員), HIshino, Y. Koshio, M. Nakahata,H.Sekiya, M. Smy, M. Vagins
  • Organizer: 13th Geant4 Collaboration Workshop
  • Place of Presentation: Kobe, Japan
  • Year and Date: 20081006-11
• [Presentation] Measurement of Neutrino Interactions in K2K Experiment (2008)
  • Author(s): Makoto Sakuda
  • Organizer: International Workshop on Electron Scattering (Elba X)
  • Place of Presentation: Elba, Italy(Invited)
  • Year and Date: 20080623-27
• [Presentation] Supernova detection 23rd International Conference on Neutrino Physics Astrophysics (Neutrino 2008), Christchurch, New Zealand (2008)
  • Author(s): M.Nakahata
  • Organizer: J.Phys.Conf.Ser
  • Place of Presentation: Published in(Invited talk)(136 : 022042,2008)
  • Year and Date: 20080526-31
• [Presentation] Measurement of Neutrino Interactions in K2K Experiment (2008)
  • Author(s): Makoto Sakuda
  • Organizer: Dortmund大学物理部セミナー
  • Place of Presentation: Dortmund, Germany(Invited)
  • Year and Date: 2008-07-01
• [Presentation] Measurement of Neutrino Interactions in K2K Experiment (2008)
  • Author(s): Makoto Sakuda
  • Organizer: ローマ大学物理部コロキウム
  • Place of Presentation: Roma, Italy(Invited)
  • Year and Date: 2008-06-20
• [Presentation] Proton induced coherent pion production (2006)
  • Author(s): K.Fujita, Y.Sakemi, et.al.
  • Organizer: International Spin Physics Symposium (SPIN06)(Published in *AIP Conf.Proc.915 : 803-806, 2007*. Also in Kyoto 2006, Spin physics, 803-806)
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 20061002-07