Analysis of Hadronic Properties at SPS energies from a Statistical Model

Details Analysis of Hadronic Properties at SPS energies from a Statistical Model Analysis of Hadronic Properties at SPS energies from a Statistical Model

2004-01-10

arxiv.org/abs/nucl-th/0401017v1

J.Korean Phys.Soc. 46 (2005) 1458

Physics

Nuclear Physics

Nuclear Theory

5 pages, 4 figures

Scientific paper

Using a statistical model of multiparticle production by Chou, Yang and Yen, which looks similar to the thermal model and is known to account for the single particle distributions in e$^+$ e$^-$ collisions, we fit the rapidity and transverse mass spectra of pions and kaons measured in Pb+Pb collisions by NA49 collaboration. This model nicely fits both the rapidity and the transverse mass spectra of each particle species with a few parameters. However, fitting all the particles with a single value of $T_p$ is not possible. This analysis shows that the success of the thermal models does not necessarily mean the thermalization of the system in collision.

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