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Nuclear dependence asymmetries in direct photon production

Hong Shen, Ma Luo

hep-pharXiv:hep-ph/0008146

Abstract

We study the nuclear dependences of high-pT jet cross sections in one photon and one jet production in proton-nucleus collisions. We find that there exist asymmetries between the outgoing jets and photons. A convincing reason responsible for those asymmetries are demonstrated in perturbative QCD. Significant nuclear enhancements are also found in the inclusive jet cross sections.

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