Evidence for Simultaneous Production of J /ψ and Mesons

(D0 Collaboration)

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We report evidence for the simultaneous production of J/ψ and mesons in 8.1 fb-1 of data collected at s=1.96 TeV by the D0 experiment at the Fermilab pp¯ Tevatron Collider. Events with these characteristics are expected to be produced predominantly by gluon-gluon interactions. In this analysis, we extract the effective cross section characterizing the initial parton spatial distribution, σeff=2.2±0.7(stat)±0.9(syst) mb.

Original languageEnglish
Article number082002
JournalPhysical Review Letters
Issue number8
Publication statusPublished - 2016 Feb 25


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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