Multiplicity Distribution and Mechanisms of the High-Energy Hadron Collisions

Details Multiplicity Distribution and Mechanisms of the High-Energy Hadron Collisions Multiplicity Distribution and Mechanisms of the High-Energy Hadron Collisions

1998-01-05

arxiv.org/abs/hep-ph/9801219v1

Phys.Rev. D59 (1999) 034022

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex file, 17 pages, 5 figures

Scientific paper

10.1103/PhysRevD.59.034022

We discuss the multiplicity distribution for highest accessible energies of $pp$- and $\bar pp$- interactions from the point of view of the multiparton collisions. The inelastic cross sections for the single, $\sigma_1$, and multiple (double and, presumably, triple, $\sigma_{2+3}$) parton collisions are extracted from the analysis of the experimental data on the multiplicity distribution up to the Tevatron energies. It follows that $\sigma_1$ becomes energy independent while $\sigma_{2+3}$ increases with $\sqrt{s}$ for $\sqrt{s}\ge$ 200 GeV. The observed growth of $$ with multiplicity is attributed to the increasing role of multiparton collisions for the high energy $\bar pp(pp)$- inelastic interactions.

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