Hadron resonance gas with repulsive interactions and fluctuations of conserved charges

Journal Article · Thu Feb 01 00:00:00 EST 2018 · Physics Letters B

DOI:https://doi.org/10.1016/j.physletb.2017.12.001· OSTI ID:1412610

Huovinen, Pasi; Petreczky, Peter

We discuss the role of repulsive baryon-baryon interactions in a hadron gas using relativistic virial expansion and repulsive mean field approaches. The fluctuations of the baryon number as well as strangeness-baryon correlations are calculated in the hadron resonance gas with repulsive interactions and compared with the recent lattice QCD results. In particular, we calculate the difference between the second and fourth order fluctuations and correlations of baryon number and strangeness, that have been proposed as probes of deconfinement. We show that for not too high temperatures these differences could be understood in terms of repulsive interactions.

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY (United States)
• Sponsoring Organization: USDOE Office of Science (SC), Nuclear Physics (NP)
• Grant/Contract Number: SC0012704
• OSTI ID: 1412610
• Alternate ID(s): OSTI ID: 1431286
• Report Number(s): BNL-203417-2018-JAAM; S0370269317309784; PII: S0370269317309784
• Journal Information: Physics Letters B, Journal Name: Physics Letters B Vol. 777 Journal Issue: C; ISSN 0370-2693
• Publisher: Elsevier
• Country of Publication: Netherlands
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS