Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-05-15
Phys.Rev.D66:034001,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages
Scientific paper
10.1103/PhysRevD.66.034001
The main purpose of this paper is to discuss the link between forward-backward multiplicity correlations properties and the shape of the corresponding final charged particle multiplicity distribution in various classes of events in different collisions. It is shown that the same mechanism which explains the shoulder effect and the H_n vs. n oscillations in charged particle multiplicity distributions, i.e., the weighted superposition of different classes of events with negative binomial properties, reproduces within experimental errors also the forward-backward multiplicity correlation strength in e+e- annihilation at LEP energy and allows interesting predictions for pp collisions in the TeV energy region, to be tested at LHC, for instance with the ALICE detector. We limit ourselves at present to study substructures properties in hadron-hadron collisions and e+e- annihilation; they are examined as ancillary examples in the conviction that their understanding might be relevant also in other more complex cases.
Giovannini Alberto
Ugoccioni Roberto
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