On signals of new physics in global event properties in pp collisions in the TeV energy domain

Details On signals of new physics in global event properties in pp collisions in the TeV energy domain On signals of new physics in global event properties in pp collisions in the TeV energy domain

2003-04-14

arxiv.org/abs/hep-ph/0304128v1

Phys.Rev.D68:034009,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 6 ps figures included

Scientific paper

10.1103/PhysRevD.68.034009

In the framework of the weighted superposition mechanism of different classes of minimum bias events (or substructures), described by the negative binomial multiplicity distribution, in possible scenarios for pp collisions in the TeV energy domain, we explore global properties of an eventual new class of events, characterised by high hadron and clan densities, to be added to the soft (without minijets) and semihard (with minijets) ones. It turns out that the main signal of the mentioned new physical expectations at 14 TeV c.m. energy would be an ``elbow structure'' in the tail of the total charged particle multiplicity distribution in complete disagreement with the second shoulder structure predicted by Pythia Monte Carlo calculations: a challenging problem for new experimental work.

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