12-18 August 2012
US/Eastern timezone

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Baryon number conservation and cumulants of net proton distribution

17 Aug 2012, 17:10
Regency 2/3

Regency 2/3

Oral Presentation Exploring the QCD phase diagram Parallel 7B: Exploring the QCD Phase Diagram (Chair H. Huang)


Adam Bzdak (Brookhaven National Laboratory)


We discuss the effects of the global baryon and electric charge conservation on the cumulants of net baryon and net proton fluctuations [1], which are considered to be sensitive probes of the QCD critical point. We show that the cumulants are substantially suppressed if the conservation laws are taken into account. We propose a new observable that is not influenced by the global baryon conservation but is highly sensitive to the critical end point or the crossover. [1] A. Bzdak, V. Koch, V. Skokov, arXiv:1203.4529 [hep-ph]

Primary authors

Adam Bzdak (Brookhaven National Laboratory) Vladimir Skokov (Brookhaven national laboratory) Volker Koch (LBNL)

Presentation Materials