在 PHENIX 测量强子椭圆流

IF 0.6 4区 物理与天体物理 Q4 PHYSICS, PARTICLES & FIELDS
E. V. Bannikov, A. Ya. Berdnikov, Ya. A. Berdnikov, D. O. Kotov, Yu. M. Mitrankov, M. M. Mitrankova, D. M. Larionova, A. D. Selezenev
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引用次数: 0

摘要

摘要 PHENIX 实验的关键任务之一是研究夸克-胶子等离子体(QGP)的性质。研究 QGP 特性的一个有效方法是测量重离子超相对论碰撞中粒子产生的方位各向异性。方位各向异性的特征是粒子分布在方位角上的函数的傅立叶变换系数。对傅里叶变换的第二个系数(\({{v}_{2}}/\)的测量被称为椭圆流,它使研究核物质的集体行为成为可能,从而也使研究 QGP 特性成为可能。本研究综述了最近在 PHENIX 实验中测量强子椭圆流作为核碰撞横动量和中心度函数的结果。本文给出了在能量\(\sqrt {{{s}_{{NN}}}} \) = 200 GeV的Cu + Au和Au + Au对撞中,中性和带电强子的\({{v}_{2}}}\)测量值的数据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Measurements of Hadronic Elliptic Flows at PHENIX

Measurements of Hadronic Elliptic Flows at PHENIX

Measurements of Hadronic Elliptic Flows at PHENIX

One of the key tasks of the PHENIX experiment is studying the properties of the quark–gluon plasma (QGP). An efficient method for studying the properties of the QGP is measuring the azimuthal anisotropy of particle production in ultrarelativistic collisions of heavy ions. The azimuthal anisotropy is characterized by the coefficients of the Fourier transform of the function of particle distribution over the azimuthal angle. The measurement of the second coefficient of the Fourier transform (\({{v}_{2}}\)), which is called the elliptic flow, makes it possible to investigate the collective behavior of nuclear matter and, thus, to study the QGP properties. In this study, a review of the recent results of measurement of hadron elliptic flows as a function of the transverse momentum and centrality of nuclei collisions in the PHENIX experiment is presented. The data of measured values of \({{v}_{2}}\) for neutral and charged hadrons in the Cu + Au and Au + Au collisions at energy \(\sqrt {{{s}_{{NN}}}} \) = 200 GeV are presented.

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来源期刊
Physics of Particles and Nuclei
Physics of Particles and Nuclei 物理-物理:粒子与场物理
CiteScore
1.00
自引率
0.00%
发文量
116
审稿时长
6-12 weeks
期刊介绍: The journal Fizika Elementarnykh Chastits i Atomnogo Yadr of the Joint Institute for Nuclear Research (JINR, Dubna) was founded by Academician N.N. Bogolyubov in August 1969. The Editors-in-chief of the journal were Academician N.N. Bogolyubov (1970–1992) and Academician A.M. Baldin (1992–2001). Its English translation, Physics of Particles and Nuclei, appears simultaneously with the original Russian-language edition. Published by leading physicists from the JINR member states, as well as by scientists from other countries, review articles in this journal examine problems of elementary particle physics, nuclear physics, condensed matter physics, experimental data processing, accelerators and related instrumentation ecology and radiology.
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