Journal
PHYSICAL REVIEW C
Volume 92, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.92.055206
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Funding
- US Department of Energy [DE-FG02-05ER41367]
- Hessian LOEWE initiative through the Helmholtz International Center for FAIR (HIC for FAIR)
- Polish National Science Center (NCN), under Maestro Grant [DEC-2013/10/A/ST2/00106]
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Based on recent lattice QCD (LQCD) results obtained at finite temperature, we discuss the modeling of the hadronic phase of QCD in the framework of hadron resonance gas (HRG) with discrete and continuous mass spectra. We focus on fluctuations of conserved charges and show how a common limiting temperature can be used to constrain the Hagedorn exponential mass spectrum in different sectors of quantum number, through a matching of HRG and LQCD. For strange baryons, the extracted spectra are found to be consistent with all known and expected states listed by the Particle Data Group (PDG). The strange-mesonic sector, however, requires additional states in the intermediate mass range beyond that embodied in the database.
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