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Production Ofj/ψmesons Inpbecollisions at 530 And800 GeV/<…

Andrey Gribushin,V. Abramov,Yu.M. Antipov,B. Baldin,R.R. Crittenden,C. L. Davis,L. Dauwe,S. P. Denisov,A. Dyshkant,A. Dzierba,V. Yu. Glebov,Haim Goldberg,R. Jesik,V. Koreshev,J. Krider,A. N. Krinitsyn,R. Li,S. Margulies,T. Marshall,J.P. Martin,H. Méndez,A. Petrukhin,J. Solomon,V. Sirotenko,P. Smith,T. Sulanke,R.M. Sulyaev,F. Vaca,A. Ziemínski,Leonard Apanasevich,J. Bacigalupi,M. Begel,S. Blusk,C. Bromberg,P. Chang,B. C. Choudhary,W. H. Chung,L. de Barbaro,W. Długosz,J. Dunlea,E. Engels,G. Fanourakis,G. Ginther,K. Hartman,J. Huston,V. Kapoor,C. Lirakis,S. Mani,J. Mansour,A. Maul,R. Miller,G. Osborne,Dave Pellett,E. Pothier,R. Roser,P. F. Shepard,D. Skow,P. Slattery,L. Sorrell,D. Striley,Nikos Varelas,D. Weerasundara,C. Yosef,M. Zieliński,V. Zutshi

Physical review D Particles, fields, gravitation, and cosmology/Physical review D Particles and fields（2000）

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摘要
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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