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Thermal shifts, fluctuations, and missing states

2016/12/21 by Enrique Ruiz Arriola, E. Ruiz Arriola, Wojciech Broniowski +9
Physics and Astronomy · #Cosmology and Gravitation Theories #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Nuclear Theory (nucl-th) #Quantum Chromodynamics and Particle Interactions #hep-lat #hep-ph #nucl-th

paper · pdf · doi:10.48550/arxiv.1612.07091

6 pages. 2 figures. Talk presented by E.R.A. at the YSTAR2016 meeting Excited Hyperons in QCD Thermodynamics at Freeze-Out, 16-17 November 2016, Thomas Jefferson National Accelerator Facility, Newport News, VA

arxiv created 2016/12/21 · openalex publication_date 2016/12/21 · arxiv updated 2016/12/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Thermal shifts and fluctuations at finite temperature below the deconfinement crossover from hadronic matter to the quark-gluon plasma provide a viable way to search for missing states with given quantum numbers in the hadronic spectrum. We analyze three realizations of the hadron resonance gas model in the light quark (uds) sector: the states from the Particle Data Group tables with or without width and from the Relativized Quark Model. We elaborate on the meaning of hadronic completeness and thermodynamical equivalence on the light of lattice QCD trace anomaly, heavy quark entropy shift and baryon,charge and strangeness susceptibilities.

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