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Non-perturbative QCD Effect on K-Factor of Drell-Yan Process
Authors:HOU Zhao-Yu  ZHI Hai-Su  CHEN Jun-Xiao
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
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.
Keywords:K-factor  Drell-Yan process  non-perturbative QCD                                                                                                                                                        
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