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2008 Fiscal Year Final Research Report

Study of Quantum Chromodynamics using lattice gauge theory with exact chiral symmetry

Research Project

  • PDF
Project/Area Number 18340075
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionHigh Energy Accelerator Research Organization

Principal Investigator

HASHIMOTO Shoji  High Energy Accelerator Research Organization, 素粒子原子核研究所, 准教授 (90280510)

Co-Investigator(Kenkyū-buntansha) YAMADA Norikazu  高エネルギー加速器研究機構, 素粒子原子核研究所, 助教 (50399432)
OKAWA Masanori  広島大学, 大学院・理学研究科, 教授 (00168874)
MATSUFURU Hideo  高エネルギー加速器研究機構, 計算科学センター, 助教 (10373185)
KANEKO Takashi  高エネルギー加速器研究機構, 素粒子原子核研究所, 助教 (20342602)
ONOGI Tetsuya  京都大学, 基礎物理学研究所, 准教授 (70211802)
AOKI Sinya  筑波大学, 数理物質科学研究科, 教授 (30192454)
Project Period (FY) 2006 – 2008
Keywords素粒子論 / 格子QCD / カイラル対称性
Research Abstract

厳密なカイラル対称性をもつ格子理論を使った量子色力学(QCD)の数値シミュレーションを初めて実現し、QCDにおける自発的対称性の破れの検証や、カイラル有効理論との整合性の検証、これまでは不可能だったさまざまな物理量の計算を実現し、QCDの非摂動的研究に新たな側面を拓いた。

  • Research Products

    (5 results)

All 2008 2007

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (2 results)

  • [Journal Article] Convergence of the chiral expansion in two-flavor lattice QCD2008

    • Author(s)
      J. Noaki, S. Aoki, T. W. Chiu, H. Fukaya, S. Hashimoto, T. H. Hsieh, T. Kaneko, H. Matsufuru, T. Onogi, E. Shintani, N. Yamada
    • Journal Title

      Physical Review Letters 101, 202004

    • Peer Reviewed
  • [Journal Article] S-parameter and pseudo-Nambu-Goldstone boson mass from lattice QCD2008

    • Author(s)
      E. Shintani, S. Aoki, H. Fukaya, S. Hashimoto, T. Kaneko, H. Matsufuru, T. Onogi, N. Yamada
    • Journal Title

      Physical Review Letters 101, 242001

    • Peer Reviewed
  • [Journal Article] Two-flavor lattice QCD simulation in the epsilon-regime with exact chiral symmetry2007

    • Author(s)
      H. Fukaya, S. Aoki, T.W. Chiu, S. Hashimoto, K.-I. Ishikawa, T. Kaneko, H. Matsufuru, K. Ogawa, M. Okamoto, T. Onogi, N. Yamada
    • Journal Title

      Physical Review Letters 98, 172001

    • Peer Reviewed
  • [Presentation] Physics results from dynamical overlap fermion simulations2008

    • Author(s)
      S. Hashimoto
    • Organizer
      第26回格子場理論国際会議
    • Place of Presentation
      米国バージニア州
    • Year and Date
      20080700
  • [Presentation] 格子ゲージ理論でさぐるQCD真空2008

    • Author(s)
      橋本省二
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      山形大学
    • Year and Date
      20080000

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Published: 2010-06-10   Modified: 2016-04-21  

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