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QCD equation of state and hadron resonance gas
Open accessAbstract
We compare the trace anomaly, strangeness and baryon number fluctuations calculated in lattice QCD with expectations based on hadron resonance gas model. We find that there is a significant discrepancy between the hadron resonance gas and the lattice data. This discrepancy is largely reduced if the hadron spectrum is modified to take into account the larger values of the quark mass used in lattice calculations as well as the finite lattice spacing errors. We also give a simple parametrization of QCD equation of state, which combines hadron resonance gas at low temperatures with lattice QCD at high temperatures. We compare this parametrization with other parametrizations of the equation of state used in hydrodynamical models and discuss differences in hydrodynamic flow for different equations of state.
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Cites
QCD thermodynamics with three flavors of improved staggered quarks
Bernard, C., Burch, T., DeTar, C., Osborn, J., Gottlieb, S., Gregory, E. B., Toussaint, D., Heller, U. M., & Sugar, R. (2005) · Physical Review D · doi:10.1103/physrevd.71.034504 · Cited by 236
Cited by
The QCD equation of state with dynamical quarks
Borsányi, S., Endrődi, G., Fodor, Z., Jakovác, A., Katz, S. D., Krieg, S., Ratti, C., & Szabó, K. K. (2010) · Journal of High Energy Physics · doi:10.1007/jhep11(2010)077 · Cited by 938
Higher flow harmonics from(3+1)D event-by-event viscous hydrodynamics
Schenke, B., Jeon, S., & Gale, C. (2012) · Physical Review C · doi:10.1103/physrevc.85.024901 · Cited by 278
Metadata
- Authors
- Huovinen, P., & Petreczky, P.
- Venue
- Nuclear Physics A
- Publisher
- Elsevier BV
- Published
- 2010-06
- Volume
- 837
- Issue
- 1-2
- Pages
- 26-53
- ISSN
- 0375-9474 (ISSN-L)
- OpenAlex
- W1982285836
- Cited by
- 565
- References
- 1
- FWCI
- 26.20
- Type
- journal article
- Language
- en
- Open access
- green
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