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arxiv: hep-ph/0110057 · v1 · submitted 2001-10-04 · ✦ hep-ph · hep-ex· nucl-th

Relative phase between the three-gluon and one-photon amplitudes of the J/psi decays

classification ✦ hep-ph hep-exnucl-th
keywords amplitudesdecayone-photonphaserelativethree-gluondecaysdegrees
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It is shown that the study of the \omega-\rho interference pattern in the J/psi -> (rho+omega)eta -> pi+pi-eta decay provides evidence for the large (nearly 90 degrees) relative phase between the isovector one-photon and three-gluon decay amplitudes.

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