arXiv:hep-ph/0110057·v1·High Energy Physics — Phenomenology
Relative phase between the three-gluon and one-photon amplitudes of the J/psi decays
N.N. Achasov (Sobolev Institute for Mathematics SB RAS, Novosibirsk)🇷🇺
Abstract
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.
Comments: Parallel session talk at HADRON 2001, Protvino, Russia, August 30, 4 pages, revtex, tightlines