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
12 6C-12 6C collision at the center-of-mass energy
(s)1/2 = 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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