Photoproduction of ' as a Test of Color-Octet Model
Abstract
We have calculated the cross section of ' photoproduction at small-pT regions in polarized γ p collisions for testing the color-octet model, which is based on NRQCD factorization formalism. We show that the measurement of the two-spin asymmetry of this process might be effective to constrain the value of NRQCD matrix elements.
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