Katsanevas, S. ; Malhotra, P. K. ; et., al (1988) Nuclear-target effects in j/ψ production in 125-Gev/c antiproton and π-interactions Physical Review Letters, 60 (21). pp. 2121-2124. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v60/i21/p2121_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.60.2121
Abstract
The production of the J/ψ resonance in 125-GeV/c ρ¯ and φ- interactions with Be, Cu, and W targets has been measured. The cross section per nucleon for J/ψ production is suppressed in W interactions relative to the lighter targets, especially at large values of Feynman x, which is opposite to the expectation from the various explanations of the European Muon Collaboration effect. Models incorporating modifications of the gluon structure functions in heavy targets show qualitative agreement with the data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 31437 |
| Deposited On: | 25 Apr 2011 12:27 |
| Last Modified: | 06 Jan 2012 04:08 |
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