A large final-state interaction in the 0-0- decays of J/psi

Details A large final-state interaction in the 0-0- decays of J/psi A large final-state interaction in the 0-0- decays of J/psi

1999-01-16

arxiv.org/abs/hep-ph/9901327v1

Phys.Rev.D60:051501,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages with 1 eps figure in RevTex

Scientific paper

10.1103/PhysRevD.60.051501

In view of important implications in the B decay, the 0-0- decay modes of J/psi are analyzed with broken flavor SU(3) symmetry in search for long-distance final-state interactions. If we impose one mild theoretical constraint on the electromagnetic form factors, we find that a large phase difference of final-state interactions is strongly favored between the one-photon and the gluon decay amplitudes. Measurement of the \pi+\pi- and K+K- cross sections off the J/psi peak in e+e- annihilation can settle the issue without recourse to theory.

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