Cronin effect and energy conservation constraints in high energy proton-nucleus collisions

Details Cronin effect and energy conservation constraints in high energy proton-nucleus collisions Cronin effect and energy conservation constraints in high energy proton-nucleus collisions

2004-01-11

arxiv.org/abs/hep-ph/0401067v2

Phys.Rev. D69 (2004) 094006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Accepted by Phys.Rev.D

Scientific paper

10.1103/PhysRevD.69.094006

We estimate the Cronin effect in pA collisions at the CERN LHC and at RHIC, using a Glauber-Eikonal model of initial state multiparton interactions. For a correct determination of the initial parton flux, we upgrade the model cross section, taking carefully into account all kinematical constraints of each multi-parton interaction process. As compared with previous results, derived with approximate kinematics, we obtain a softer spectrum of produced partons, while improving the agreement of the model with the recent measurements of neutral pions production in d+Au collisions at sqrt(s)=200 AGeV.

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