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roman pasechnik

Roman Pasechnik

Senior lecturer

roman pasechnik

Probing double parton scattering via associated open charm and bottom production in ultraperipheral pA collisions

Author

  • Edgar Huayra
  • Emmanuel G. de Oliveira
  • Roman Pasechnik

Summary, in English

In this article, we propose a novel channel for phenomenological studies of the double-parton scattering (DPS) based upon associated production of charm cc¯ and bottom bb¯ quark pairs in well-separated rapidity intervals in ultraperipheral high-energy proton–nucleus collisions. This process provides direct access to the double-gluon distribution in the proton at small-x and enables one to test the factorized DPS pocket formula. We have made the corresponding theoretical predictions for the DPS contribution to this process at typical LHC energies and beyond and we compute the energy-independent (but photon momentum fraction dependent) effective cross section.

Department/s

  • Theoretical Particle Physics - Has been reorganised

Publishing year

2019

Language

English

Publication/Series

European Physical Journal C

Volume

79

Issue

10

Document type

Journal article

Publisher

Springer

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1434-6044