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Nuclear Effects in High Energy Photon and Neutral Pion Production

Gabor Papp, George Fai, Peter Levai

nucl-tharXiv:nucl-th/9911037

Abstract

We study the mechanism of the γ and π0 enhancement at large transverse momenta in proton-nucleus collisions. A proposed mechanism suggests an increase in the width of the transverse momentum distribution of partons in a semihard process.

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