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Title: Net-particle number fluctuations in a hydrodynamic description of heavy-ion collisions
Utilizing viscous hydrodynamic simulations of heavy-ion collisions, we study the behavior of cumulants of (net-)(anti)proton number distributions at RHIC beam energy scan energies, incorporating non-critical contributions like baryon conservation and excluded volume. The experimental data on net-proton cumulants at √ S NN > 20 GeV are consistent with simultaneous effects of global baryon conservation and repulsive interactions in baryon sector, whereas the data at lower collision energies show possible indications for sizable attractive interactions among baryons. We discuss the behavior of factorial cumulants in addition to the ordinary cumulants, and also address the quantitative difference between proton and baryon number cumulants.
Authors:
; ;
Editors:
David, G.; Garg, P.; Kalweit, A.; Mukherjee, S.; Ullrich, T.; Xu, Z.; Yoo, I.-K.
Award ID(s):
2012922
Publication Date:
NSF-PAR ID:
10333925
Journal Name:
EPJ Web of Conferences
Volume:
259
Page Range or eLocation-ID:
10011
ISSN:
2100-014X
Sponsoring Org:
National Science Foundation
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