Hard production of exotic hybrid mesons

Details Hard production of exotic hybrid mesons Hard production of exotic hybrid mesons

2005-09-22

arxiv.org/abs/hep-ph/0509245v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages Latex, talk at XIth International Conference on Elastic and Diffractive Scattering Chateau de Blois, France, May 15 -

Scientific paper

Exotic hybrid mesons H, with quantum numbers J^{PC}= 1^{- +} may be copiously produced in the hard exclusive processes gamma^*(Q^2) gamma -> H and gamma^*(Q^2) P(p) -> H P(p') because they have a leading twist distribution amplitude with a sizable coupling constant f_H, which may be estimated through QCD sum rules. The reaction rates scale in the same way as the corresponding rates for usual mesons.

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