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Lattice QCD Study of Hadronic Matrix Elements by Numerical Simulations

Lattice QCD Study of Hadronic Matrix Elements by Numerical Simulations
强子矩阵元的晶格 QCD 数值模拟研究
批准号:
08640404
负责人:
OKAWA Masanori
金额:
$1.34万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
1996
资助国家:
日本
项目状态:
已结题
起止时间:
1996 至 1998

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中文摘要
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英文摘要
Large scale lattice QCD simulations have been made to calculate phenomenologically important hadronic matrix elements such as the K meson bag parameter B_K and the B meson decay constant f_B and f_<BS>, To estimate the values of the matrix elements in the continuum theory, we systematically study the effects of various discretization errors caused by finite lattice spacing. After taking continuum limit, we obtain B_K=0.628(42), f_B=173(4)MeV and f_<BS>=199(3) MeV.Lattice QCD simulations have also been made to calculate quark masses, hadron spectrum, static quark potential and K^+-pi^+pi^0 decay amplitude and to study the nature of the finite temperature chiral phase transition of 2 and 3 flavors QCD.
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S.Aoki: "Kaon B parametn from quenched lattite QCD" Physical Review Letters. 80・24. 5271-5274 (1998)
S. Aoki:“来自淬火拉铁石 QCD 的 Kaon B 参数”物理评论快报 80・24 (1998)。
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S.Aoki: "B Meson Decry Constant with the Wilson and clover Heavy Quark Actions" Nuclear Physics B (Proc.Suppl.). 63A-C. 356-358 (1998)
S.Aoki:“威尔逊和三叶草重夸克作用下的 B 介子 Decry 常数”核物理 B(Proc.Suppl.)。
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90
    Study of twisted space-time reduced model in the large N limit
    • 批准号:
      23540310
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $3.16万
    • 财政年份:
      2011
    • 负责人:
      OKAWA Masanori
    • 依托单位:
    Study of lattice QCD by large scale numerical simulations including dynamical quark effects
    • 批准号:
      15540279
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.24万
    • 财政年份:
      2003
    • 负责人:
      OKAWA Masanori
    • 依托单位:
    Study of Lattice QCD by numerical simulations including dynamical quark effects
    Lattice QCD calculation of Hadronic matrix element with dynamical quark effects
    • 批准号:
      05640363
    • 项目类别:
      Grant-in-Aid for General Scientific Research (C)
    • 资助金额:
      $1.28万
    • 财政年份:
      1993
    • 负责人:
      OKAWA Masanori
    • 依托单位:
    海外基金