$J/\psi$ production versus transverse momentum and rapidity in $p^+ p$ collisions at $\sqrt{s}$ = 200-GeV - INSPIRE

DataBETA

$J/\psi$ production versus transverse momentum and rapidity in $p^+ p$ collisions at $\sqrt{s}$ = 200-GeV

PHENIX

Collaboration

Nov, 2006

6 pages

Published in:

Phys.Rev.Lett. 98 (2007) 232002

e-Print:

hep-ex/0611020 [hep-ex]

DOI:

10.1103/PhysRevLett.98.232002

Experiments:

BNL-RHIC-PHENIX

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Abstract:

J/Psi production in p+p collisions at sqrt(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/Psi production is B_{ll} sigma_pp^J/psi = 178 +/- 3(stat) +/- 53(syst) +/- 18(norm) nb.

Note:

375 authors from 57 institutions, 6 pages, 4 figures, RevTeX4. Submitted to Physical Review Letters. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html

13.85.Ni
14.40.Gx
25.75.Dw
13.20.Fc
p p: colliding beams
p p: inclusive reaction
J/psi(3100): hadroproduction
J/psi(3100): leptonic decay
mass spectrum: dilepton
channel cross section: branching ratio

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Figures(0)

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