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Search for Higgs Particle in high energy proton collision experiment

Research Project

Project/Area Number 19740165
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionHigh Energy Accelerator Research Organization

Principal Investigator

TOJO Junji  High Energy Accelerator Research Organization, 素粒子原子核研究所, 助教 (70360592)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,670,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥570,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywords素粒子物理 / ヒッグス粒子
Research Abstract

In LHC accelerator and ATLAS detector, we obtained the first collision data at the center of mass energy of 900 GeV, 2, 36 TeV and 7 TeV. Electrons and photons are main probe to search for Higgs particle in this study. We studied reconstruction and identification of electrons and photons and report the results in an international conference. The inner detector plays a key role in this study. We successfully took high quality data, which was reported in Japanese Physical Society Meeting. As a study of background, an event generator for di-photon production in QCD with higher order correction was developed. The result was report in Japanese Physical Society Meeting.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (10 results)

All 2010 2009 2008

All Journal Article (4 results) (of which Peer Reviewed: 3 results) Presentation (6 results)

  • [Journal Article] Charged-particle multiplicities in pp interactions at sqrt(s) = 900 GeV measured with the ATLAS detector at the LHC2010

    • Author(s)
      The ATLAS Collaboration, G. Ada, et. al.
    • Journal Title

      Phys. Lett. B 668

      Pages: 21-42

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Charged-particle multiplicities in pp interactions at sqrt(s)=900GeV measured with the ATLAS detector at the LHC2010

    • Author(s)
      ATLAS Collaboration, G.Aad et.al.
    • Journal Title

      Physics Letter B668

      Pages: 21-42

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Expected Performance of the ATLAS Detector - Detector2009

    • Author(s)
      The ATLAS Collaboration, G. Ada, et. al.
    • Journal Title

      Trigger and Physics 0901,0521

      Pages: 1-1852

    • Related Report
      2009 Final Research Report
  • [Journal Article] The ATLAS Experiment at the CERN Large Hadron Collider2008

    • Author(s)
      The ATLAS Collaboration, G. Ada, et. al.
    • Journal Title

      JINST 3

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Presentation] ATLAS SemiConductor TrackerのBeam Dataを用いた解析2010

    • Author(s)
      廣瀬穣, 花垣和則, 東城順治, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学(岡山県)
    • Year and Date
      2010-03-23
    • Related Report
      2009 Final Research Report
  • [Presentation] ATLAS SemiConductor Tracker の Beam Data を用いた解析2010

    • Author(s)
      廣瀬穣, 花垣和則, 東城順治, 他
    • Organizer
      日本物理学会 第65回年次大会
    • Place of Presentation
      岡山大学(岡山県)
    • Year and Date
      2010-03-23
    • Related Report
      2009 Annual Research Report
  • [Presentation] LHC実験解析のためのQCD高次補正を含む2光子生成イベントジェネレータII2010

    • Author(s)
      栗原良将, 尾高茂, 東城順治
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学(岡山県)
    • Year and Date
      2010-03-20
    • Related Report
      2009 Final Research Report
  • [Presentation] LHC実験解析のためのQCD高次補正を含む2光子生成イベントジェネレータII2010

    • Author(s)
      栗原良将, 尾高茂, 東城順治
    • Organizer
      日本物理学会 第65回年次大会
    • Place of Presentation
      岡山大学(岡山県)
    • Year and Date
      2010-03-20
    • Related Report
      2009 Annual Research Report
  • [Presentation] Reconstructions of Electrons and Photons in the ATLAS Detector2008

    • Author(s)
      J. Tojo
    • Organizer
      The 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications
    • Place of Presentation
      コモ(イタリア)
    • Year and Date
      2008-10-08
    • Related Report
      2009 Final Research Report
  • [Presentation] Reconstructions of Electrons and Photons in the ATLAS Detector2008

    • Author(s)
      J. Tojo
    • Organizer
      The 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications
    • Place of Presentation
      コモ、イタリア
    • Year and Date
      2008-10-08
    • Related Report
      2007 Annual Research Report

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

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