Energy dependence of fluctuations in central Pb+Pb collisions from NA49 at the CERN SPS

Details Energy dependence of fluctuations in central Pb+Pb collisions from NA49 at the CERN SPS Energy dependence of fluctuations in central Pb+Pb collisions from NA49 at the CERN SPS

2008-05-15

arxiv.org/abs/0805.2245v2

J.Phys.G35:104091,2008

Physics

Nuclear Physics

Nuclear Experiment

5 pages, 4 figures, talk presented at Quark Matter 2008 Reference added and some typos corrected

Scientific paper

10.1088/0954-3899/35/10/104091

The latest NA49 results on fluctuations of multiplicity and average transverse-momentum analyzed on an event-by-event basis are presented for central Pb+Pb interactions over the whole SPS energy range (20A - 158A GeV). The scaled variance of the multiplicity distribution decreases with collision energy whereas the $\Phi_{p_{T}}$ measure of $$ fluctuations is small and independent of collision energy. Thus in central Pb+Pb collisions these fluctuations do not show an indication of the critical point of strongly interacting matter.

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