Rapidity distribution of gluons in the classical field model for heavy ion collisions

Details Rapidity distribution of gluons in the classical field model for heavy ion collisions Rapidity distribution of gluons in the classical field model for heavy ion collisions

2004-09-28

arxiv.org/abs/hep-ph/0409328v1

Phys.Rev. C70 (2004) 054905

Physics

High Energy Physics

High Energy Physics - Phenomenology

REVTeX 4, 6 pages, 4 figures

Scientific paper

10.1103/PhysRevC.70.054905

The rapidity distribution of gluons produced in heavy ion collisions is studied by a numerical computation in 2+1-dimensional classical Yang-Mills theory. By assuming that the classical source strength g^2 mu depends on rapidity as g^4 mu^2 ~ exp(+- lambda y) and studying collisions of two nuclei with different g^2 mu we find that the rapidity distribution of produced gluons at central rapidities is very broad. The transverse energy is seen to decrease even more slowly as a function of y than the multiplicity. We discuss these results and the range in y and sqrt(s) where they are applicable in the light of experimental results and other theoretical calculations.

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