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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, Song Zhang
2018 Physical Review C  

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2018 pre-print arXiv:1808.10641v1 fatcat:eiiayy5vc5hlzjf6fwirwh5e4a
We apply a multi-phase transport (AMPT) model to study two-particle angular correlations in pp collisions at √(s)= 7 TeV. Besides 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 anti-correlation feature of baryon-baryon correlations observed in the
more » ... ts. We also extend the study to p-Pb collisions at √(s)= 5.02 TeV and obtained similar results. These results help us better understand the particle production mechanism in pp and p-Pb collisions at LHC energies.
doi:10.1103/physrevc.98.034912 fatcat:r7vp2onoiradfo6virqmpd5bui
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Liu-Yao Zhang, Jin-Hui Chen, Zi-Wei Lin, Yu-Gang Ma, Song Zhang. "Two-particle angular correlations in pp and p -Pb collisions at energies available at the CERN Large Hadron Collider from a multiphase transport model." Physical Review C 98.3 (2018)