J/ψ Production vs Transverse Momentum and Rapidity in p+p Collisions at √s = 200 GeV

PHENIX Collaboration

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Abstract

J/ψ production in p+p collisions at √s = 200 GeV has been measured in the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) over a rapidity range of -2.2 < y < 2.2 and a transverse momentum range of 0 < pT < 9 GeV/c. The statistics available allow a detailed measurement of both the pT and rapidity distributions and are sufficient to constrain production models. The total cross section times branching ratio determined for J/ψ production is Bu · σJ/ψ pp = 178±3stat±53sys±18norm nb.

Original languageEnglish
Article number232002
JournalPhysical review letters
Volume98
Issue number23
DOIs
Publication statusPublished - 2007 Jun 8

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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