Higher order cumulants of electric charge and strangeness fluctuations on the crossover line

Bollweg D, Goswami J, Karsch F, Mukherjee S, Schmidt-Sonntag C (2020)
In: arXiv:2010.15501.

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Abstract / Bemerkung
We present lattice QCD calculations of higher order cumulants of electric charge distributions for small baryon chemical potentials μB\mu_BμB​ by using up to NNNLO Taylor expansions. Ratios of these cumulants are evaluated on the pseudo-critical line, Tpc(μB)T_{pc}(\mu_B)Tpc​(μB​), of the chiral transition and compared to corresponding measurements in heavy ion collision experiments by the STAR and PHENIX Collaborations. We demonstrate that these comparisons give strong constraints on freeze-out parameters. Furthermore, we use strangeness fluctuation observables to compute the ratio μS/μB\mu_S/\mu_BμS​/μB​ on the crossover line and compare it to μS/μB\mu_S/\mu_BμS​/μB​ at freeze-out stemming from fits to strange baryon yields measured by the STAR Collaboration.
Erscheinungsjahr
2020
Titel des Konferenzbandes
arXiv:2010.15501
Konferenz
Criticality in QCD and the Hadron Resonance Gas
Konferenzort
Wroclaw, Poland
Konferenzdatum
2020-07-29 – 2020-07-31
Page URI
https://pub.uni-bielefeld.de/record/2949906

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Bollweg D, Goswami J, Karsch F, Mukherjee S, Schmidt-Sonntag C. Higher order cumulants of electric charge and strangeness fluctuations on the crossover line. In: arXiv:2010.15501. 2020.
Bollweg, D., Goswami, J., Karsch, F., Mukherjee, S., & Schmidt-Sonntag, C. (2020). Higher order cumulants of electric charge and strangeness fluctuations on the crossover line. arXiv:2010.15501
Bollweg, D., Goswami, J., Karsch, F., Mukherjee, S., and Schmidt-Sonntag, C. (2020). “Higher order cumulants of electric charge and strangeness fluctuations on the crossover line” in arXiv:2010.15501.
Bollweg, D., et al., 2020. Higher order cumulants of electric charge and strangeness fluctuations on the crossover line. In arXiv:2010.15501.
D. Bollweg, et al., “Higher order cumulants of electric charge and strangeness fluctuations on the crossover line”, arXiv:2010.15501, 2020.
Bollweg, D., Goswami, J., Karsch, F., Mukherjee, S., Schmidt-Sonntag, C.: Higher order cumulants of electric charge and strangeness fluctuations on the crossover line. arXiv:2010.15501. (2020).
Bollweg, Dennis, Goswami, Jishnu, Karsch, Frithjof, Mukherjee, S., and Schmidt-Sonntag, Christian. “Higher order cumulants of electric charge and strangeness fluctuations on the crossover line”. arXiv:2010.15501. 2020.

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