Gupta, Sourendu (1998) Quarkonium polarization in nonrelativistic QCD and the quark-gluon plasma Physical Review D - Particles, Fields, Gravitation and Cosmology, 58 (3). 034006_1-034006_8. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v58/i3/e034006
Related URL: http://dx.doi.org/10.1103/PhysRevD.58.034006
Abstract
We examine angular distributions of leptons arising from the decay of J/ψ in inclusive hadroproduction. Taking into account feed-down contributions from Χ1,2, a flat distribution emerges without fine tuning parameters. Changes in the ratio of direct to total J/ψ cross sections would change this distribution significantly. Such angular distributions are, therefore, confirmatory tests of the J/ψ suppression signal for the production of a quark-gluon plasma. Related effects are predicted for the γ.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 66146 |
| Deposited On: | 21 Oct 2011 09:32 |
| Last Modified: | 21 Oct 2011 09:32 |
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