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Di-hadron correlations at ISR and RHIC energies

P. Levai, G. Fai, G. Papp

hep-pharXiv:hep-ph/0502238

Abstract

The structure of hadron-hadron correlations is investigated in proton-proton collisions.We focus on the transmission of the initial transverse momenta of partons (``intrinsic kT'') to the hadron-hadron correlations. Values of the intrinsic transverse momentum obtained from experimental correlations are compared to the results of a model with partially randomized parton transverse momenta at ISR and RHIC energies. Procedures for extracting the correlations from data are discussed.

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