The analysis of pi^{-} mesons produced in nucleus-nucleus collisions at a momentum of 4.5 GeV/c/nucleon in light front variables

Details The analysis of pi^{-} mesons produced in nucleus-nucleus collisions at a momentum of 4.5 GeV/c/nucleon in light front variables The analysis of pi^{-} mesons produced in nucleus-nucleus collisions at a momentum of 4.5 GeV/c/nucleon in light front variables

1999-11-30

arxiv.org/abs/hep-ex/9911052v1

Eur.Phys.J. A7 (2000) 139-145

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages with 9 postscript figures

Scientific paper

10.1007/s100500050021

The light front analysis of pi^{-} mesons in He(Li,C), C-Ne, C-Cu and O-Pb collisions is carried out. The phase space of secondary pions is divided into two parts in one of which the thermal equilibrium assumption seems to be in a good agreement with the data. Corresponding temperatures T are extracted and their dependence on (A_{P}*A_{T})^{1/2} is studied. The results are compared with the predictions of the Quark-Gluon String Model (QGSM). The QGSM satisfactorily reproduces the experimental data for light and intermediate-mass nuclei.

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