Helicity Amplitudes for Charmonium Production in Hadron-Hadron and Photon-Hadron Collisions
arXiv:0710.3090 · doi:10.1103/PhysRevD.77.034014
Abstract
We present the gluon-gluon and photon-gluon helicity amplitudes for color singlet and octet charmonium production in polarized and unpolarized hadron-hadron and photon-hadron collisions.
11 pages amstex no figures