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Study of meson properties and structures through high-statistics measurement of cross sections in two-photon production

Study of meson properties and structures through high-statistics measurement of cross sections in two-photon production
通过双光子产生中横截面的高统计测量研究介子性质和结构
批准号:
19340056
负责人:
WATANABE Yasushi
金额:
$11.98万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2007
资助国家:
日本
项目状态:
已结题
起止时间:
2007 至 2009

项目摘要

项目成果

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中文摘要
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英文摘要
We have measured and analyzed differential cross sections of two-photon production of meson pairs : γγ→π^+π^-,π^0π^0,π^0η and ηη at B-factory experiment, Belle. These data are of two to three orders of magnitude higher statistics than previous experiments and of only ones presently available with this level of statistics in the world. These data would shed light to properties and structures of hitherto mysterious low mass scalar mesons in the low energy region. Furthermore, they provide direct mean to check predictions on exclusive processes from QCD (Quantum Chromodynamics, theory of strong interaction) in the high energy region.
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Study of ππ production in two-photon collisions at Belle
Belle 的双光子碰撞中 ππ 产生的研究
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者: [T. Mori, S. Uehara, Y. Watanabe, et. al., 渡邊靖志, 渡邊靖志, 上原貞治, Hideyuki Nakazawa, Sadaharu Uehara, 上原貞治]
通讯作者: 上原貞治
High-statistics study of eta pi0 production in two-photon collisions
双光子碰撞中 eta pi0 产生的高统计研究
DOI: --
发表时间:
期刊: Phys.Rev.D
影响因子: --
作者: [S. Uehara, Y. Watanabeet al.(The Belle collab.)]
通讯作者: S. Uehara, Y. Watanabeet al.(The Belle collab.)
High Statistics Measurement of the Cross Section of γγ→π^+π^- Production
γγ→π^+π^- 生产横截面的高统计测量
DOI: --
发表时间: 2007
期刊: J. Phys. Soc. Jpn, 76, 074102(2007) 76
影响因子: --
作者: [T. Mori, S. Uehara, Y. Watanabe, et. al.]
通讯作者: et. al.
Review of two-photon physics from Belle
Belle 的双光子物理回顾
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者: [T. Mori, S. Uehara, Y. Watanabe, et. al., 渡邊靖志, 渡邊靖志, 上原貞治, Hideyuki Nakazawa]
通讯作者: Hideyuki Nakazawa
6
    An Ethnographic Examination of White Supremacy and Other Hate Groups in the Contemporary United States
    • 批准号:
      17K02035
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.91万
    • 财政年份:
      2017
    • 负责人:
      WATANABE Yasushi
    • 依托单位:
    An assessment study on the chromatography combined with small-angle X-ray scattering technique for characterization of biological macromolecules
    Detailed study of QCD through high statistics measurement of hadron production cross section in tagged two-photon collisions
    • 批准号:
      22340062
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $11.98万
    • 财政年份:
      2010
    • 负责人:
      WATANABE Yasushi
    • 依托单位:
    Study on concentration mechanism and resource potential of heavy rare earth elements and indium