Dynamical gluon mass corrections in heavy quarkonia decays

Details Dynamical gluon mass corrections in heavy quarkonia decays Dynamical gluon mass corrections in heavy quarkonia decays

2000-04-26

arxiv.org/abs/hep-ph/0004236v1

Phys.Lett. B482 (2000) 378-382

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages

Scientific paper

10.1016/S0370-2693(00)00546-3

Using the expression of the dynamical gluon mass obtained through the operator product expansion we discuss the relevance of gluon mass effects in the decays V -> hadrons (V = J/Psi, Upsilon). Relativistic and radiative corrections are also introduced to calculate alpha_s(m_c) and alpha_s(m_b) comparing them with other values available in the literature. The effects of dynamical gluon masses are negligible for Upsilon decay but important for J/Psi decay.

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