Photoproduction of J/$ψ$ in the forward region

Details Photoproduction of J/$ψ$ in the forward region Photoproduction of J/$ψ$ in the forward region

1996-01-19

arxiv.org/abs/hep-ph/9601298v2

Phys.Rev. D56 (1997) 5844-5850

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version to appear in Phys. Rev. Substantial changes

Scientific paper

10.1103/PhysRevD.56.5844

We study the phenomenology of fixed-target elastic $J/\psi$ photoproduction in the NRQCD factorization formalism. Our the goal is to test an essential feature of this formalism --- the color-octet mechanism. We obtain an order-of-magnitude estimate for a certain linear combination of NRQCD color-octet matrix elements. Our estimate is consistent with other empirical determinations and with the $v$-scaling rules of NRQCD.

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