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首页> 外文期刊>Physical review letters >Electroproduction of the N~*(1535) Resonance at Large Momentum Transfer
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Electroproduction of the N~*(1535) Resonance at Large Momentum Transfer

机译:大动量传递下N〜*(1535)共振的电产生

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摘要

We report on the first lattice calculation of light-cone distribution amplitudes of the N~* (1535) resonance, which are used to calculate the transition form factors at large momentum transfers using light-cone sum rules. In the region Q~2 > 2 GeV~2, where the light-cone expansion is expected to converge, the results appear to be in good agreement with the experimental data.
机译:我们报告了N〜*(1535)共振的光锥分布幅度的第一次晶格计算,该计算用于使用光锥和规则计算大动量传递时的过渡形状因子。在Q〜2> 2 GeV〜2的区域,预计圆锥会膨胀,结果似乎与实验数据吻合良好。

著录项

  • 来源
    《Physical review letters》 |2009年第7期|072001.1-072001.4|共4页
  • 作者单位

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany Deutsches Elektronen-Synchrotron DESY, 15738 Zeuthen, Germany;

    Deutsches Elektronen-Synchrotron DESY, 15738 Zeuthen, Germany;

    Theoretical Physics Division, Department of Mathematical Sciences, University of Liverpool, Liverpool L69 3BX, United Kingdom;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany Deutsches Elektronen-Synchrotron DESY, 22603 Hamburg, Germany;

    Konrad-Zuse-Zentrum fuer Informationstechnik Berlin, 14195 Berlin, Germany;

    Institut fuer Theoretische Physik, Universitaet Regensburg, 93040 Regensburg, Germany;

    School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    lattice QCD calculations; other nonperturbative calculations; electromagnetic form factors; baryon resonances with S=0;

    机译:点阵QCD计算;其他非扰动计算;电磁形状因数S = 0时的重子共振;

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