Impact of resonance decays on critical point signals in net-proton fluctuations

Abstract : The non-monotonic beam energy dependence of the higher cumulants of net-proton fluctuations is a widely studied signature of the conjectured presence of a critical point in the QCD phase diagram. In this work we study the effect of resonance decays on critical fluctuations. We show that resonance effects reduce the signatures of critical fluctuations, but that for reasonable parameter choices critical effects in the net-proton cumulants survive. The relative role of resonance decays has a weak dependence on the order of the cumulants studied with a slightly stronger suppression of critical effects for higher-order cumulants.
Type de document :
Pré-publication, Document de travail
SUBATECH-TheorieHE. 2017
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http://hal.in2p3.fr/in2p3-01468948
Contributeur : Sylvie Flores <>
Soumis le : jeudi 16 février 2017 - 08:10:44
Dernière modification le : mardi 17 juillet 2018 - 16:16:04

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  • HAL Id : in2p3-01468948, version 1
  • ARXIV : 1612.03889

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M. Bluhm, M. Nahrgang, S.A. Bass, T. Schaefer. Impact of resonance decays on critical point signals in net-proton fluctuations. SUBATECH-TheorieHE. 2017. 〈in2p3-01468948〉

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