Odderon Effects in pp Collisions: Predictions for LHC Energies

Details Odderon Effects in pp Collisions: Predictions for LHC Energies Odderon Effects in pp Collisions: Predictions for LHC Energies

2009-06-15

arxiv.org/abs/0906.2659v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Lecture given by Yu.M. Shabelski at the XLIII PNPI Winter School on Physics, St.Petersburg, Russia, February 2009 (30 pages, 1

Scientific paper

We consider the possible contribution of Odderon (Reggeon with alpha_(Odd)(0) similar to 1 and negative signature) exchange to the differences in the total cross sections of particle and antiparticle, to the ratios of real/imaginary parts of the elastic pp amplitude, and to the differences in the inclusive spectra of particle and antiparticle in the central region. The experimental differences in total cross sections of particle and antiparticle are compatible with the existence of the Odderon component but such a large Odderon contribution seems to be inconsistent with the values of Re/Im ratios. In the case of inclusive particle and antiparticle production the current energies and/or accuracy of the experimental data don't allow a clear conclusion. It is expected that the LHC will finally solve the question of the Odderon existence.

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