Double parton interaction: The values of σeff

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In this letter we show that the two parton showers mechanism for J/Ψ production, that has been discussed in Ref. [23], leads to small values of σeff for the production of a pair of J/Ψ. We develop a simple two channel approach to estimate the values of σeff, which produces values that are in accord with the experimental data.

Original languageEnglish
Article number135356
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
StatePublished - 10 Apr 2020


  • Bose-Einstein correlations
  • CGC approach
  • DGLAP and BFKL evolution
  • Double parton distributions
  • Non-linear evolution equation
  • Shadowing corrections


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