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Precision measurement of solar neutrinos by KamLAND with sensitive detection of radio-impurities

Research Project

Project/Area Number 19684004
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionTohoku University

Principal Investigator

YASUHIRO Kishimoto  Tohoku University, 大学院理学研究科, 助教授 (30374911)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥25,220,000 (Direct Cost: ¥19,400,000、Indirect Cost: ¥5,820,000)
Fiscal Year 2008: ¥10,270,000 (Direct Cost: ¥7,900,000、Indirect Cost: ¥2,370,000)
Fiscal Year 2007: ¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Keywords素粒子物理学 / 太陽ニュートリノ / カムランド / ニュートリノ / ニュートリノ振動
Research Abstract

本実験は,カムランド実験グループで行われた太陽ニュートリノ観測のための純化工程後のカムランドにおいて,高精度のエネルギー較正と放射性不純物量の測定を実施し,これらのデータを基に,信頼性の高い太陽ニュートリノ信号を抽出することを目的に研究を行った.本研究では,エネルギー較正用の装置を作成し,外部から放射性不純物を持ち込むことなく,高精度でエネルギー較正を行うことに成功した.同時に,純化後のカムランドで主なバックグランドであるクリプトンの量を高精度で測定する装置の開発・研究に成功した.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (8 results)

All 2008 2007 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (2 results) Remarks (2 results)

  • [Journal Article] Precision Measurement of Neutrino Oscillation Parameters with KamLAND2008

    • Author(s)
      S. Abe, …, Y. Kishimoto, 他 カムランド共同研究者
    • Journal Title

      Physical Review Letters 100

      Pages: 221803-221803

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] KamLAND Status for Solar Neutrino Phase2008

    • Author(s)
      Y. Kishimoto
    • Journal Title

      Journal of Physics Conference Series 120

      Pages: 52010-52010

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Precision Measurement of Neutrino Oscillation Paraineters with KamLAND2008

    • Author(s)
      S.Abeft, KamLAND(共同研究者)
    • Journal Title

      Physical Review Letters 100

      Pages: 221803-221808

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] KamLAND. Status for Solar Neutrino Phase2008

    • Author(s)
      Y.Kishimoto for KamLAN Dcollaboration
    • Journal Title

      Journal. of Physics : Conference Series 120

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] KamLAND recent results and future prospects2007

    • Author(s)
      岸本康宏
    • Organizer
      KEK理論研究会
    • Place of Presentation
      高エネルギー加速器研究機構
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] KamLAND Purification Status2007

    • Author(s)
      岸本 康宏
    • Organizer
      TAUP2007
    • Place of Presentation
      仙台市市民会館
    • Year and Date
      2007-09-17
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Remarks] ホームページ等

    • URL

      http://www.awa.tohoku.ac.jp/KamLAND/index_j.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.awa.tohoku.acjp/KamLAND/index_j.html

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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