Non-perturbative QCD Effect on K-Factor of Drell-Yan Process |
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Authors: | HOU Zhao-Yu ZHI Hai-Su CHEN Jun-Xiao |
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Institution: | 1. Mathematics and Physics Department, Shijiazhuang Railway
Institute, Shijiazhuang 050043, China
;2. Basic Department, Shijiazhuang Vocational and
Technology Institute, Shijiazhuang 050081, China
;3. Physics Department, Hebei Normal University, Shijiazhuang 050016, China |
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Abstract: | By using a non-perturbative quark propagator with the lowest-dimensional
condensate contributions from the QCD vacuum, the non-perturbative effect to
K-factor of the Drell-Yan process is numerically investigated for
126C-126C collision at the center-of-mass energy
√{s}=200 GeV, 630 GeV respectively. Calculated results show that the
non-perturbative QCD effect has just a weak influence on K-factor in the
two cases. |
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Keywords: | K-factor Drell-Yan process non-perturbative QCD |
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