J/ψ spin asymmetries in the color-octet model

Gupta, Sourendu ; Mathews, Prakash (1997) J/ψ spin asymmetries in the color-octet model Physical Review D - Particles, Fields, Gravitation and Cosmology, 55 (11). pp. 7144-7151. ISSN 1550-7998

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Official URL: http://prd.aps.org/abstract/PRD/v55/i11/p7144_1

Related URL: http://dx.doi.org/10.1103/PhysRevD.55.7144


We investigate the pattern of asymmetries in the color-octet model for inclusive production of charmonium with polarized initial state hadrons and photons. The double polarized asymmetry for J/ψ involves a new combination of long-distance matrix elements. We also investigate the asymmetries for ηc, Χc, and γ production. The asymmetries distinguish well between different models of charmonium production.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:66104
Deposited On:21 Oct 2011 03:22
Last Modified:21 Oct 2011 03:22

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