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Strong Z(c)(+)(3900) -> J/psi pi(+); eta c rho(+)decays in QCD

By Shahin S. Agaev, Kazem Azizi and Hayriye Sundu

Abstract

Azizi, Kazem (Dogus Author) -- #nofulltext#The widths of the strong decaysZ(c)(+)(3900) -> J/psi pi(+); and Z(c)(+) (3900) -> are calculated. To this end, the mass and decay constant of the exotic Z(c)(+) (3900) state are computed by means of a two -point sum rule. The obtained results are then used to calculate the strong couplings gz(c)J/psi pi and gz(c)eta(c)p employing QCD sum rules on the light cone supplied by a technique of the soft -meson approximation. We compare our predictions on the mass and decay widths \vith available experimental data and other theoretical results

Topics: Asterisk-B-Pi, Sum-Rules, Exotic Mesons, Charmonium, Couplings, Baryons, States, Decay, Mass
Publisher: American Physical Society
Year: 2016
DOI identifier: 10.1103/PhysRevD.93.074002
OAI identifier: oai:openaccess.dogus.edu.tr:11376/3131
Provided by: DSpace@Dogus
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