An exclusive event generator for e+e- scan experiments

  • An exclusive event generator is designed for e+e- scan experiments, including initial state radiation effects up to the second order correction. The generator is coded within the framework of BesEvtGen. There are seventy hadronic decay modes available, with effective center-of-mass energy coverage from the two pion mass threshold up to about 6 GeV. The accuracy achieved for the initial state radiation correction reaches the level achieved by the KKMC generator. The uncertainty associated with the calculation of the correction factor to the initial state radiation is dominated by the measurements of the energy-dependent Born cross section.
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PING Rong-Gang. An exclusive event generator for e+e- scan experiments[J]. Chinese Physics C, 2014, 38(8): 083001. doi: 10.1088/1674-1137/38/8/083001
PING Rong-Gang. An exclusive event generator for e+e- scan experiments[J]. Chinese Physics C, 2014, 38(8): 083001.  doi: 10.1088/1674-1137/38/8/083001 shu
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Received: 2013-12-09
Revised: 2014-04-18
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An exclusive event generator for e+e- scan experiments

    Corresponding author: PING Rong-Gang,
  • 1. Institute of High Energy Physics, Chinese Academy of Sciences, P. O. Box 918(1), Beijing 100049, China

Abstract: An exclusive event generator is designed for e+e- scan experiments, including initial state radiation effects up to the second order correction. The generator is coded within the framework of BesEvtGen. There are seventy hadronic decay modes available, with effective center-of-mass energy coverage from the two pion mass threshold up to about 6 GeV. The accuracy achieved for the initial state radiation correction reaches the level achieved by the KKMC generator. The uncertainty associated with the calculation of the correction factor to the initial state radiation is dominated by the measurements of the energy-dependent Born cross section.

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