Large Transverse Momenta in Statistical Models of High Energy Interactions

Details Large Transverse Momenta in Statistical Models of High Energy Interactions Large Transverse Momenta in Statistical Models of High Energy Interactions

2003-08-05

arxiv.org/abs/hep-ph/0308046v3

JHEP 0312 (2003) 039

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 10 figures

Scientific paper

10.1088/1126-6708/2003/12/039

The creation of particles with large transverse momenta in high energy hadronic collisions is a long standing problem. The transition from small- (soft) to hard- parton scattering `high-pt' events is rather smooth. In this paper we apply the non-extensive statistical framework to calculate transverse momentum distributions of long lived hadrons created at energies from low (sqrt(s)~10 GeV) to the highest energies available in collider experiments (sqrt(s)~2000 GeV). Satisfactory agreement with the experimental data is achieved. The systematic increase of the non-extensivity parameter with energy found can be understood as phenomenological evidence for the increased role of long range correlations in the hadronization process. Predictions concerning the rise of average transverse momenta up to the highest cosmic ray energies are also given and discussed.

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