Soft multiple parton interactions as seen in multiplicity distributions at Tevatron and LHC

Details Soft multiple parton interactions as seen in multiplicity distributions at Tevatron and LHC Soft multiple parton interactions as seen in multiplicity distributions at Tevatron and LHC

2011-06-24

arxiv.org/abs/1106.4959v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 11 figures

Scientific paper

We analyse the multiplicity distributions of charged particles at Tevatron (p\bar p) and LHC (pp) energies in the framework of the independent pair parton interactions (IPPI) model. It is shown that the number of soft pair parton interactions (and therefore the density of the partonic medium) is large and increases with energy. The mean multiplicity at each parton interaction grows also with energy. This growth depends on the width of the rapidity window. The similar conclusions are obtained in the multiladder exchange model (QGSM).

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