Color reconnection effects in J/ψ hadroproduction

Piotr Kotko, Leszek Motyka, Anna Staśto

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Abstract

We investigate production of J/ψ mesons in hadron-hadron collisions, defined as low invariant mass cc¯ singlets produced in a mixture of perturbative and nonperturbative mechanisms provided by the PYTHIA Monte Carlo. We find that in this model the color reconnection mechanism, which breaks the factorization, is essential to reasonably describe the experimental data.

Original languageEnglish (US)
Article number138104
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume844
DOIs
StatePublished - Sep 10 2023

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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