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Azimuthal correlations of D-mesons in p+p and p+Pb collisions at LHC energies

  • M. Younus
  • S. K. Tripathy
  • P. K. Sahu
  • Z. Naik
Regular Article - Theoretical Physics

Abstract.

We study the correlations of D mesons produced in p+p and p+Pb collisions. These are found to be sensitive to the effects of the cold nuclear medium and the transverse momentum (\( p_{{\rm T}}\)) regions we are looking into. In order to put this on a quantitative footing, as a first step we analyse the azimuthal correlations of D meson-charged hadron (Dh), and then predict the same for D meson-anti D meson (\( {\rm D}\overline{{\rm D}}\)) pairs in p+p and p+Pb collisions with strong coupling at leading order \(\mathcal{O}(\alpha_{{\rm s}}^{2})\) and next-to-leading order \(\mathcal{O}(\alpha_{{\rm s}}^{3})\), which includes space-time evolution (in both systems) as well as cold nuclear matter effects (in p+Pb). This also sets the stage and baseline for the identification and study of medium modification of azimuthal correlations in relativistic collision of heavy nuclei at the Large Hadron Collider.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • M. Younus
    • 1
  • S. K. Tripathy
    • 1
    • 2
  • P. K. Sahu
    • 1
  • Z. Naik
    • 2
  1. 1.Institute of PhysicsBhubaneswarIndia
  2. 2.Sambalpur UniversityBurlaIndia

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