J/psi production from proton-proton collisions at sqrt(s) = 200 GeV

Details J/psi production from proton-proton collisions at sqrt(s) = 200 GeV J/psi production from proton-proton collisions at sqrt(s) = 200 GeV

2003-07-08

arxiv.org/abs/hep-ex/0307019v1

Phys.Rev.Lett.92:051802,2004

Physics

High Energy Physics

High Energy Physics - Experiment

326 authors, 6 pages text, 4 figures, 1 table, RevTeX 4. To be submitted to PRL. Plain text data tables for the points plotted

Scientific paper

10.1103/PhysRevLett.92.051802

J/psi production has been measured in proton-proton collisions at sqrt(s)= 200 GeV over a wide rapidity and transverse momentum range by the PHENIX experiment at RHIC. Distributions of the rapidity and transverse momentum, along with measurements of the mean transverse momentum and total production cross section are presented and compared to available theoretical calculations. The total J/psi cross section is 3.99 +/- 0.61(stat) +/- 0.58(sys) +/- 0.40(abs) micro barns. The mean transverse momentum is 1.80 +/- 0.23(stat) +/- 0.16(sys) GeV/c.

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