Photoproduction of J/ψ in the forward region
James Amundson, Sean Fleming, Ivan Maksymyk
Abstract
We study the phenomenology of fixed-target elastic J/ψ 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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