J/psi Spin Asymmetries in the Colour-Octet Model

Details J/psi Spin Asymmetries in the Colour-Octet Model J/psi Spin Asymmetries in the Colour-Octet Model

1996-09-28

arxiv.org/abs/hep-ph/9609504v1

Phys.Rev. D55 (1997) 7144-7151

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX source, 18 pages

Scientific paper

10.1103/PhysRevD.55.7144

We investigate the pattern of asymmetries in the colour-octet model for inclusive production of charmonium with polarised initial state hadrons and photons. We find that singly polarised asymmetries vanish. The double polarised asymmetry for J/psi involves a new combination of long-distance matrix element. We also investigate the asymmetries for eta_c, chi_c and Upsilon production. The asymmetries distinguish well between different models of charmonium production.

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