NUCLEAR TECHNIQUES, Volume. 46, Issue 4, 040006(2023)

Several problems in determining the QCD phase boundary by relativistic heavy ion collisions

Yuanfang WU1、*, Xiaobing LI1, Lizhu CHEN2, Zhiming LI1, Mingmei XU1, Xue PAN3, Fan ZHANG4, Yanhua ZHANG5, and Yuming ZHONG1
Author Affiliations
  • 1Institution of Particle Physics, Central China Normal University, Wuhan 430079, China
  • 2School of Physics and Optoelectronic Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
  • 3School of Electronic Engineering, Chengdu Technological University, Chengdu 611730, China
  • 4Wuhan Optical Valley Future School, Wuhan 430078, China
  • 5Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng 044000, China
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    Figures & Tables(8)
    Statistics dependence of κσ2 of net-proton (a) and net-charge (b) multiplicity distributions calculated by the CBWC method at various centrality bin width
    The centrality dependency of κσ2 of original (a) and mixed (b) samples, dynamical (c) and formula corrected (d) for three values of efficiency 100%, 80% and 60%
    χ2vs.T/Tpt at h= 0.000 5 (a), 0.000 775 (b), 0.002 (c) with the system sizes of L = 40, 50, 60, 70
    The scaled order parameter mLλ/νvs. the scaled variabletL1/ν (a, c) and T (b, d)(a, b) 2D Ising model with external field h=0, (c, d) 3D three-state Potts model with h=0.000 5
    Contour plot of D(T, a) for three different external fields (a) h = 0.000 775, (b) h = 0.000 5, (c) h = 0.002
    The evolution of |m| with time at L = 60 for random initial configuration at temperatures T/Tc = 0.93 (a), 0.99 (b), 1.00 (c) and 1.03 (d), respectively
    Average relaxation time as a function of temperature (a) System sizes L = 50 and 60 starting from random initial configuration, (b) Random initial configurations and polarized initial configurations at a fixed system size L=60
    The time evolution of cumulants of |m| at a given system size L=60 at T/Tc=0.99 (a~d) and 1.01 (e~h)
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    Yuanfang WU, Xiaobing LI, Lizhu CHEN, Zhiming LI, Mingmei XU, Xue PAN, Fan ZHANG, Yanhua ZHANG, Yuming ZHONG. Several problems in determining the QCD phase boundary by relativistic heavy ion collisions[J]. NUCLEAR TECHNIQUES, 2023, 46(4): 040006

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    Paper Information

    Category: Research Articles

    Received: Dec. 25, 2022

    Accepted: --

    Published Online: Apr. 27, 2023

    The Author Email:

    DOI:10.11889/j.0253-3219.2023.hjs.46.040006

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