Production of J / psi and psi (2S) mesons in pi- Be collisions at 515-GeV/c

The E672 E706 collaborations Gribushin, A. ; Abramov, V. ; Antipov, Yu. ; et al.
Phys.Rev. D53 (1996) 4723-4733, 1996.
Inspire Record 401108 DOI 10.17182/hepdata.42344
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Production of $J/\psi$ mesons in $p$ Be collisions at 530-GeV/c and 800-GeV/c

The E672 E706 collaborations Gribushin, A. ; Abramov, V. ; Antipov, Yu. ; et al.
Phys.Rev. D62 (2000) 012001, 2000.
Inspire Record 508006 DOI 10.17182/hepdata.42099

We report on the production of J/psi mesons in 530 and 800 GeV/c proton - Be collisions in the Feynman-x range 0.0 < xf < 0.6. The J/psi mesons were detected via decays into opposite sign muon pairs. Differential distributions for J/psi production have been measured as functions of xf, pT^2, and cosine of the Gottfried-Jackson decay angle. These distributions are compared with results on J/psi production obtained in 515 GeV/c pion - Be collisions, measured by the same experiment, as well as with results from other experiments using incident protons.

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