Two-particle angular correlations in pp and p-Pb collisions at energies available at the CERN Large Hadron Collider from a multiphase transport model

Liu-Yao Zhang, Jin-Hui Chen, Zi-Wei Lin, Yu-Gang Ma, and Song Zhang
Phys. Rev. C 98, 034912 – Published 18 September 2018

Abstract

We apply a multiphase transport (AMPT) model to study two-particle angular correlations in pp collisions at s=7TeV. In addition to being able to describe the angular correlation functions of meson-meson pairs, a large improvement for the angular correlations of baryon-baryon and antibaryon-antibaryon is achieved. We further find that the AMPT model with new quark coalescence provides an even better description on the anticorrelation feature of baryon-baryon correlations observed in the experiments. We also extend the study to p-Pb collisions at s=5.02TeV and obtained similar results. These results help us better understand the particle production mechanism in pp and p-Pb collisions at Large Hadron Collider energies.

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  • Received 21 June 2018

DOI:https://doi.org/10.1103/PhysRevC.98.034912

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Liu-Yao Zhang1,2, Jin-Hui Chen1, Zi-Wei Lin3,4, Yu-Gang Ma1, and Song Zhang1

  • 1Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Key Laboratory of Quarks and Lepton Physics (MOE) and Institute of Particle Physics, Central China Normal University, Wuhan 430079, China
  • 4Department of Physics, East Carolina University, Greenville, North Carolina 27858, USA

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Issue

Vol. 98, Iss. 3 — September 2018

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