Higher Fock states and power counting in exclusive charmonium decays

Details Higher Fock states and power counting in exclusive charmonium decays Higher Fock states and power counting in exclusive charmonium decays

1998-07-23

arxiv.org/abs/hep-ph/9807470v1

Acta Phys.Polon.B29:2789-2796,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, amsmath

Scientific paper

The role of higher Fock-state contributions to exclusive charmonium decays will be discussed. It will be argued that the J/Psi (Psi') decays into baryon-antibaryon pairs are dominated by the valence Fock-state contributions. P-wave charmonium decays, on the other hand, receive strong contributions from the c cbar g Fock states since the valence Fock-state contributions are suppressed in these reactions. Numerical results for the decay widths of J/Psi (Psi') into baryon-antibaryon and chi(J) into pairs of pseudoscalar mesons will be also presented and compared to data.

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