Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-11-17
Phys.Rev. D53 (1996) 6180-6185
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, using revtex, two figures added separately as one uuencoded Z-compressed file
Scientific paper
10.1103/PhysRevD.53.6180
We consider the production of muon pairs from the scattering of pions on longitudinally polarized protons. We calculate the cross section and the single spin asymmetry for this process, taking into account pion bound state effects. We work in the kinematic region where the photon has a large longitudinal momentum fraction, which allows us to treat the bound state problem perturbatively. Our predictions are directly proportional to the pion distribution amplitude. A measurement of the polarized Drell-Yan cross section thus allows the determination of the shape of the pion distribution amplitude.
Brandenburg Axel
Muller Daniel
Teryaev Oleg V.
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