Drell-Yan dilepton production in relativistic heavy-ion collisions at RHIC
作者： Xiu-Mei Feng , Ben-Wei Zhang
DOI: 10.1088/1674-1137/35/9/008
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摘要: We investigate the lepton pair production with Drell-Yan process in relativistic heavy ion collisions by computing double differential cross section d?/dM2dy and d?/dM2dxF at next-to-leading order p+Au Au+Au = 200 GeV RHIC. The resulting nuclear modification factors RpAu RAuAu show strong sensitivity to cold matter (CNM) effects could probe CNM a very wide region of longitudinal momentum fraction x. variation R invariant mass M, rapidity y Feynman variable xF is shown we find that factor for be smaller than 0.4 some kinematic regions high-energy nucleus-nucleus reactions
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