Possible signals of two QCD phase transitions at NICA-FAIR energies

K. A. Bugaev; A. I. Ivanytskyi; V. V. Sagun; B. E. Grinyuk; D. O. Savchenko; G. M. Zinovjev; E. G. Nikonov; L. V. Bravina; E. E. Zabrodin; D. B. Blaschke; S. Kabana; A. V. Taranenko

doi:10.1051/epjconf/201920403001

All issues

Volume 204 (2019)

EPJ Web Conf., 204 (2019) 03001

Abstract

Open Access

Issue		EPJ Web Conf. Volume 204, 2019 XXIV International Baldin Seminar on High Energy Physics Problems “Relativistic Nuclear Physics and Quantum Chromodynamics” (Baldin ISHEPP XXIV)


Article Number		03001
Number of page(s)		6
Section		Relativistic Heavy Ion Collisions
DOI		https://doi.org/10.1051/epjconf/201920403001
Published online		03 April 2019

EPJ Web of Conferences 204, 03001 (2019)
https://doi.org/10.1051/epjconf/201920403001

Possible signals of two QCD phase transitions at NICA-FAIR energies

K. A. Bugaev¹^*, A. I. Ivanytskyi¹^,2, V. V. Sagun¹^,3, B. E. Grinyuk¹, D. O. Savchenko¹, G. M. Zinovjev¹, E. G. Nikonov⁴, L. V. Bravina⁵, E. E. Zabrodin⁵^,6^,7, D. B. Blaschke⁷^,8^,9, S. Kabana¹⁰^,11 and A. V. Taranenko⁷

¹ Bogolyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine, 03680 Kiev, Ukraine
² Department of Fundamental Physics, University of Salamanca, Plaza de la Merced s/n 37008, Spain
³ Centro de Astrofísica e Gravitação - CENTRA, Departamento de Física, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
⁴ Laboratory of Information Technologies, Joint Institute for Nuclear Research, Dubna 141980, Russia
⁵ Department of Physics, University of Oslo, PB 1048 Blindern, N-0316 Oslo, Norway
⁶ Skobeltzyn Institute of Nuclear Physics, Moscow State University, 119899 Moscow, Russia
⁷ National Research Nuclear University “MEPhI” (Moscow Engineering Physics Institute), 115409 Moscow, Russia
⁸ Institute of Theoretical Physics, University of Wroclaw, pl. M. Borna 9, 50-204 Wroclaw, Poland
⁹ Bogoliubov Laboratory of Theoretical Physics, JINR Dubna, Joliot-Curie str. 6, 141980 Dubna, Russia
¹⁰ University of Nantes, Faculté des Sciences et des Techniques, 2, rue de la Houssiniére, 44322 Nantes, France
¹¹ SUBATECH, Ecole des Mines, 4 rue Alfred Kastler, 44307 Nantes, France

^* e-mail: Bugaev@th.physik.uni-frankfurt.de

Published online: 3 April 2019

Abstract

The chemical freeze-out irregularities found with the most advanced hadron resonance gas model and possible signals of two QCD phase transitions are discussed. We have found that the center-of-mass collision energy range of tricritical endpoint of QCD phase diagram is [9; 9.2] GeV which is consistent both with the QCD inspired exactly solvable model and experimental findings.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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