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Second order cumulants of conserved charge fluctuations revisited I. Vanishing chemical potentials

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arxiv 2107.10011 v2 pith:KHQ6I3FT submitted 2021-07-21 hep-lat hep-phnucl-th

D. Bollweg , J. Goswami , O. Kaczmarek , F. Karsch , Swagato Mukherjee , P. Petreczky , C. Schmidt , P. Scior This is my paper · ORCID
classification hep-lathep-phnucl-th
keywords resultschargechemicalconservedpotentialsbaryoncumulantsfluctuations
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We update lattice QCD results for second order cumulants of conserved charge fluctuations and correlations at non-zero temperature and vanishing values of the conserved charge chemical potentials. We compare these results to hadron resonance gas calculations with and without excluded volume terms as well as S-matrix results in the hadronic phase of QCD, and comment on their current limitations. We, furthermore, use these results to characterize thermal conditions in the vicinity of the pseudo-critical line of the chiral transition in QCD. We argue that the ratio of strange to baryon chemical potentials is a robust observable that, on the one hand, deviates only little from hadron resonance gas results, but, on the other hand, is very sensitive to the spectrum of strange baryon resonances.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Quark number susceptibility and conserved charge fluctuation for (2+1)-flavor QCD with M\"obius domain wall fermions

    hep-lat 2025-01 conditional novelty 6.0 of 10

    New lattice QCD results for second- and fourth-order quark number susceptibilities and charge fluctuation ratios using Möbius domain wall fermions show a possible discrepancy with staggered fermions in the electric ch...

  2. Thermodynamics of charmed hadrons across chiral crossover from lattice QCD

    hep-lat 2025-01 conditional novelty 5.0 of 10

    Lattice QCD charm fluctuations show that charmed baryon pressure is about twice the known-state expectation and that low-lying charmed hadrons survive above the chiral crossover before charm quark-like degrees of free...

  3. QCD Equation of State with Strong Magnetic Fields and Nonzero Baryon Density

    hep-lat 2025-02 conditional novelty 4.0 of 10

    Lattice QCD continuum estimates of leading-order baryon-density Taylor coefficients of the magnetized QCD equation of state show deviations from hadron gas and approach to a free gas at strong fields.

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