Blast-wave description of Υ elliptic flow at energies available at the CERN Large Hadron Collider

被引：9

作者：

Reygers, Klaus ^{[1
]}

Schmah, Alexander ^{[1
]}

Berdnikova, Anastasia ^{[2
]}

Sun, Xu ^{[3
]}

机构：

[1] Heidelberg Univ, Phys Inst, Heidelberg, Germany

[2] Natl Res Nucl Univ MEPhI, Moscow, Russia

[3] Georgia State Univ, Atlanta, GA 30303 USA

来源：

PHYSICAL REVIEW C | 2020年 / 101卷 / 06期

关键词：

AU+AU COLLISIONS; ART; HYDRODYNAMICS; MULTIPLICITY; DEPENDENCE; ANISOTROPY; SPECTRA; MODELS;

D O I：

10.1103/PhysRevC.101.064905

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A simultaneous blast-wave fit to particle yields and elliptic flow (v(2)) measured as a function of transverse momentum in Pb-Pb collisions at energies available at the Large Hadron Collider (LHC) is presented. A compact formula for the calculation of v(2)(p(T)) for an elliptic freeze-out surface is used which follows from the Cooper-Frye ansatz without further assumptions. Over the full available pT range, the. elliptic flow data is described by the prediction based on the fit to lighter particles. This prediction shows that, due to the large. mass, a sizable elliptic flow is only expected at transverse momenta above 10 GeV/c.

引用

页数：9

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