Pomeron and Odderon Contributions at LHC Energies

Details Pomeron and Odderon Contributions at LHC Energies Pomeron and Odderon Contributions at LHC Energies

2010-07-19

arxiv.org/abs/1007.3206v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages, 18 figures, and 6 tables

Scientific paper

We consider the first LHC data for pp collisions in the framework of Regge theory. The integral cross sections and inclusive densities of secondaries are determined by the Pomeron exchange, and we present the corresponding predictions for them. The first measurements of inclusive densities in midrapidity region are in agreement with these predictions. The possible contribution of Odderon (Reggeon with alpha(Odd)(0) ~ 1 and negative signature) exchange to the differences in the inclusive spectra of particle and antiparticle in the central region could be significant at LHC energies. The first data of ALICE Collaboration are consistent with a very small Odderon contribution. Probably, further LHC data will definitely settle the question of the Odderon existence.

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