Elliptic flow of light nuclei

Xuejiao Yin, Che Ming Ko, Yifeng Sun, and Lilin Zhu
Phys. Rev. C 95, 054913 – Published 30 May 2017

Abstract

Using the coalescence model based on nucleons from a blast-wave model with its parameters fitted to the measured proton transverse momentum spectrum and elliptic flow in heavy-ion collisions at the Relativistic Heavy Ion Collider, we study the elliptic flows of light nuclei in these collisions. We find that describing the measured elliptic flows of deuterons (antideuterons) and tritons (helium-3) requires that the emission source for nucleons of high transverse momentum is more elongated along the reaction plane than in the perpendicular direction. Our results thus suggest that the elliptic flows of light nuclei can be used to study the nucleon emission source in relativistic heavy-ion collisions.

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  • Received 26 March 2017

DOI:https://doi.org/10.1103/PhysRevC.95.054913

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Xuejiao Yin1,*, Che Ming Ko2,†, Yifeng Sun2,‡, and Lilin Zhu1,§

  • 1Department of Physics, Sichuan University, Chengdu 610064, China
  • 2Cyclotron Institute and Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA

  • *yinxuejiao@stu.scu.edu.cn
  • ko@comp.tamu.edu
  • sunyfphy@physics.tamu.edu
  • §zhulilin@scu.edu.cn

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Issue

Vol. 95, Iss. 5 — May 2017

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