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Study on the position-polarization sensitive detector using the gamma ray pair creation for flavor physics.

Research Project

Project/Area Number 19740132
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionOkayama University (2008)
Tokyo Institute of Technology (2007)

Principal Investigator

ISHINO Hirokazu  Okayama University, 大学院・自然科学研究科, 准教授 (90323782)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,780,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥1,700,000 (Direct Cost: ¥1,700,000)
Keywordsフレイバー物理 / 小林・益川行列 / Bファクトリー実験 / フレーバー物理 / 小林・益川理論 / CPの破れ / CP非保存角φ_2
Research Abstract

本研究では、高輝度Bファクトリー実験において、ガンマ線が検出器中で対生成を起こす現象を利用して、クォーク間相互作用の研究方法に新しい測定手順を展開することを目指した。まず、中性B中間子が二つのπ0中間子に崩壊する過程において、対生成現象を利用して時間に依存するCPの破れを測定する方法を開発した。またB中間子がK*とγに崩壊する過程から標準模型を超える物理に対する制限を得るための条件を得た。SIO 技術を用いた新しい検出器の読み出しシステムの準備をおこなった。

Report

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

    (10 results)

All 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 2 results) Presentation (4 results)

  • [Journal Article] (sBelleDesign Group),"sBelle Design StudyReport"2008

    • Author(s)
      I. Adachi, H. Ishino et al.
    • Journal Title

      KEK Report 7

      Pages: 1-80

    • Related Report
      2008 Final Research Report
  • [Journal Article] sBelle Design Study Report2008

    • Author(s)
      I. Adachi, H. Ishino, et.al. (sBelle Design Group)
    • Journal Title

      KEK Report 7

      Pages: 1-80

    • Related Report
      2008 Annual Research Report
  • [Journal Article] (Belle Collaboration),"Observation of Direct CP Violation in B0->pi+pi- Decays and Model-Independent Constraints on phi2"2007

    • Author(s)
      H. Ishino et al.
    • Journal Title

      Physical Review Letters 98

      Pages: 211801-6

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] "New Measurements Using External Photon Conversion at High Luminosity B Factories"2007

    • Author(s)
      H. Ishino, M. Hazumi, M. Nakao and T. Yoshikawa
    • Journal Title

      arXiv:hep-ex 0703039

      Pages: 1-4

    • Related Report
      2008 Final Research Report
  • [Journal Article] Observation of Direct CP Violation in BQ->p+p- Decays and Mode-Independent Constraints on phi22007

    • Author(s)
      H. Ishino, et. al. (Belle Collab.)
    • Journal Title

      Physical Review Letters 98

      Pages: 211801-6

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] New Measurements Using External Photon Conversion at aHigh Luminosity B Factory2007

    • Author(s)
      H. Ishino, M. Hazumi, M. Nakao and T. Yoshikawa
    • Journal Title

      arXiv hep-ex 0703039

      Pages: 1-4

    • Related Report
      2007 Annual Research Report
  • [Presentation] SOIpixel検出器におけるセンサー及び回路開発2008

    • Author(s)
      池本由希子
    • Organizer
      日本物理学会
    • Place of Presentation
      山形大学
    • Year and Date
      2008-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] SOI pixel検出器におけるセンサー及び回路開発2008

    • Author(s)
      池本由希子
    • Organizer
      日本物理学会
    • Place of Presentation
      山形大学
    • Year and Date
      2008-09-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] SOI技術を用いたpixel検出器の開発(放射線検出による実験評価)2008

    • Author(s)
      石野宏和
    • Organizer
      日本物理学会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Belle実験におけるphoton-conversionの研究2007

    • Author(s)
      東ヶ崎洋生
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-23
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

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

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