Effect of relaxation time on the squeezed correlations of bosons for evolving sources in relativistic heavy-ion collisions

被引：1

作者：

WeiNing Zhang ^{[1
]}

PengZhi Xu ^{[2
]}

机构：

[1] School of Physics, Dalian University of Technology

[2] College of Computer Science and Technology, Jilin Normal University

来源：

Nuclear Science and Techniques | 2022年 / 33卷 / 02期

关键词：

D O I：

暂无

中图分类号：

O571.6 [重离子核物理];

学科分类号：

0827 ; 082701 ;

摘要：

The squeezed back-to-back correlation（SBBC）of a boson–antiboson pair is sensitive to the time distribution of the particle-emitting source, and the SBBC function for an evolving source is expected to be affected by the relaxation time of the system. In this study, we investigated the effect of relaxation time on the SBBC function. We propose a method for calculating the SBBC function with relaxation-time approximation for evolving sources. SBBC functions of D0D-0in relativistic heavy-ion collisions were investigated using a hydrodynamic model.We found that the relaxation time reduces the amplitudes of the SBBC functions. This becomes apparent for long relaxation times and large initial relative deviations of the chaotic and squeezed amplitudes from their equilibrium values in the temporal steps.

引用

页码：89 / 94

页数：6

共 18 条

[1] SqueezedBack-to-BackCorrelationofD00inRelativisticHeavy-IonCollisions [J].

杨爱更 ;

张勇 ;

程鸾 ;

孙昊 ;

张卫宁 .

Chinese Physics Letters, 2018, 35 (05) :34-37

[2] Squeezed back-to-back correlations of bosons with nonzero widths in relativistic heavy-ion collisions [J].

Xu, Peng-Zhi ;

Zhang, Wei-Ning .

PHYSICAL REVIEW C, 2019, 100 (01)

[3] Squeezed back-to-back correlation between bosons and antibosons with different in-medium masses in high-energy heavy-ion collisions [J].

Xu, Peng-Zhi ;

Zhang, Wei-Ning ;

Zhang, Yong .

PHYSICAL REVIEW C, 2019, 99 (01)

[4] Predictions for squeezed back-to-back correlations of ϕϕ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\phi \phi $$\end{document} and K+K-\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$K^+K^-$$\end{document} in high-energy heavy-ion collisions by event-by-event hydrodynamics [J].

Yong Zhang ;

Wei-Ning Zhang .

The European Physical Journal C, 2016, 76 (8)

[5] Mode-coupling effects in anisotropic flow in heavy-ion collisions [J].

Qian, Jing ;

Heinz, Ulrich ;

Liu, Jia .

PHYSICAL REVIEW C, 2016, 93 (06)

[6]

Squeezed correlations of ? meson pairs for hydrodynamic sources in high-energy heavy-ion collisions[J] . Yong Zhang,Jing Yang,Wei-Ning Zhang.Physical Review C . 2015 (2)

[7]

Observation of D0 Meson Nuclear Modifications in Au+Au Collisions at sNN=200??GeV[J] . Physical Review Letters . 2014 (14)

[8]

Radial and elliptic flow in Pb + Pb collisions at energies available at the CERN Large Hadron Collider from viscous hydrodynamics[J] . Chun Shen,Ulrich Heinz,Pasi Huovinen,Huichao Song.Physical Review C . 2011 (4)

[9]

Viscous QCD matter in a hybrid hydrodynamic+Boltzmann approach[J] . Song, H.,Bass, S.A.,Heinz, U..Physical Review, C. Nuclear Physics . 2011 (2)

[10] Squeezed K+K- correlations in high energy heavy ion collisions [J].

Dudek, Danuce M. ;

Padula, Sandra S. .

PHYSICAL REVIEW C, 2010, 82 (03)

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