Study of characteristics of the liquid scintillator for high sensitivity search for double beta decay in KamLAND

• Project/Area Number: 19540256
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Tohoku University
• Principal Investigator: SHIRAI Junpei Tohoku University, 大学院・理学研究科, 准教授 (90171032)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
• Keywords: 素粒子実験 / ニュートリノ / 液体シンチレーター / 2重ベータ崩壊 / カムランド

Research Abstract

極低放射能環境を有し、世界最大(1000トン)の液体シンチレーターを有する高感度ニュートリノ検出器カムランドを利用して、キセノン同位体核(136Xe)の2重ベータ崩壊探索実験を遂行するため、これに必要な液体シンチレーターの開発を行い種々の基礎的データを獲得した。すなわち、液体シンチレーターに対するキセノンの溶解度、キセノン溶解時での発光量、光透過率、収納容器であるバルーン膜のキセノン透過率、経年特性などを測定した。

Research Products

• [Journal Article] KamLAND Collaboration, Precision Measurement of Neutrino Oscillation Parameters with KamLAND (2008)
  • Author(s): S.Abe, J.Shirai et.al.
  • Journal Title: Physical Review Letters 100
  • Peer Reviewed
• [Journal Article] (for the KamLAND Collaboration), New KamLAND Results, proceedings of the fourth NO-VE (2008)
  • Author(s): Junpei Shirai
  • Journal Title: International Workshop on NEUTRINO OSCILLATIONS IN VENICE Pages: 447-457
• [Journal Article] Precision Measurement of Neutrino Oscillation Parameters with KamLAND (2008)
  • Author(s): S. Abe et.al. KamLAND Col laboration
  • Journal Title: Physical Review Letters 100
  • Peer Reviewed
• [Journal Article] New KamLAND Results (2008)
  • Author(s): Junpei Shirai
  • Journal Title: Proceedings of the Fourth NO-VE International Workshop on NEUTRINO OSCILLATIONS IN VENICE Pages: 447-457
• [Journal Article] (for the KamLAND Collaboration), KamLAND Results (2007)
  • Author(s): J.Shirai
  • Journal Title: Nuclear Physics B(Proc. Suppl.) 168 Pages: 77-83
• [Journal Article] KamLAND Results (2007)
  • Author(s): Junpei Shirai
  • Journal Title: Nuclear Physics B (Proc. Suppl.) 168 Pages: 77-83
• [Presentation] KamLANDによるニュートリノ計測 (2008)
  • Author(s): 白井淳平
  • Organizer: 日本原子力学会/応用物理学会、第20回夏の学校
  • Place of Presentation: 浜松市
  • Year and Date: 2008-08-01
• [Presentation] New KamLAND Results (2008)
  • Author(s): 白井淳平
  • Organizer: IV International Workshop on Neutrino Oscillations in Venice
  • Place of Presentation: ヴェネチア(イタリア)
  • Year and Date: 2008-04-17
• [Presentation] New KamLAND Results (2008)
  • Author(s): Junpei Shirai
  • Organizer: IV Insternational Workshop on Neutrino Oscillations in Venice
  • Place of Presentation: ヴェネチア(イタリア)
  • Year and Date: 2008-04-17
• [Presentation] KamLAND : Neutrinos from Reactors, the Earth and More… (2007)
  • Author(s): 白井淳平
  • Organizer: KEK理論研究会「素粒子物理の展望」(KEK PH07)
  • Place of Presentation: 高エネルギー加速器研究機構。(つくば市)
  • Year and Date: 2007-03-03
• [Presentation] KamLAND: Neutrinos from Reactors, the Earth and More… (2007)
  • Author(s): Junpei Shirai
  • Organizer: KEK理論研究会「素粒子物理の展望」(KEK PH07)
  • Place of Presentation: 高エネルギー加速器研究機構(つくば市)
  • Year and Date: 2007-03-03
• [Remarks]
  • URL: http://www.awa.tohoku.ac.jp/