Is soft physics entropy driven?

Details Is soft physics entropy driven? Is soft physics entropy driven?

2006-09-06

arxiv.org/abs/nucl-ex/0609004v1

Eur.Phys.J.C49:297-301,2007

Physics

Nuclear Physics

Nuclear Experiment

Proceedings of Hot Quarks 2006. 8 figures, 6 pages

Scientific paper

10.1140/epjc/s10052-006-0109-2

The soft physics, pT < 2 GeV/c, observables at both RHIC and the SPS have now been mapped out in quite specific detail. From these results there is mounting evidence that this regime is primarily driven by the multiplicity per unit rapidity, dNch/deta. This suggests that the entropy of the system alone is the underlying driving force for many of the global observables measured in heavy-ion collisions. That this is the case and there is an apparent independence on collision energy is surprising. I present the evidence for this multiplicity scaling and use it to make some extremely naive predictions for the soft sector results at the LHC.

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