Nuclear Effects in High Energy Photon and Neutral Pion Production
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We study the mechanism of the $γ$ and $π^0$ 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.
3 pages, World Scientific style included. Talk presented by G. Papp at the Workshop "Understanding Deconfinement in QCD", ECT*, Trento, 1-13/March, 1999
3 pages, World Scientific style included. Talk presented by G. Papp at the Workshop "Understanding Deconfinement in QCD", ECT*, Trento, 1-13/March, 1999