Photoproduction of $ψ'$ as a Test of Color-Octet Model

Details Photoproduction of $ψ'$ as a Test of Color-Octet Model Photoproduction of $ψ'$ as a Test of Color-Octet Model

1999-01-07

arxiv.org/abs/hep-ph/9901238v2

Phys.Rev. D62 (2000) 057501

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages including 2 ps-figures, use sprocl.sty and psfig.tex, Latex. Talk given at the 1998 YITP Workshop on "QCD and Hadron P

Scientific paper

We have calculated the cross section of $\psi'$ photoproduction at
small-$p_{T}$ regions in polarized $\gamma p$ 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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