Feynman scaling violation due to baryon number diffusion in rapidity space

Details Feynman scaling violation due to baryon number diffusion in rapidity space Feynman scaling violation due to baryon number diffusion in rapidity space

2011-07-08

arxiv.org/abs/1107.1615v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages and 9 figures

Scientific paper

A significant asymmetry in baryon/antibaryon yields in the central region of high energy collisions is observed when the initial state has non-zero baryon charge. This asymmetry is connected with the possibility of a baryon charge diffusion in rapidity space. Evidently, such a diffusion should decrease the baryon charge in the fragmentation region leading to the corresponding decrease of the multiplicity of leading baryons. As a result, a new mechanism for Feynman scaling violation in the fragmentation region is obtained. We present the quantitative predictions for the Feynman scaling violation at LHC energies and even at highier energies that can be important for cosmic ray physics.

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