The Mass and Current-Meson Coupling Constant of the Exotic X(3872) State from QCD Sum Rules

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Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi
Volume:20 Issue:3
The Mass and Current-Meson Coupling Constant of the Exotic X(3872) State from QCD Sum Rules

The Mass and Current-Meson Coupling Constant of the Exotic X(3872) State from QCD Sum Rules

Pages : 448-455

View : 25 | Download : 14

Publication Date : 2016-10-23

Article Type : Research Paper

Abstract :The mass and current-meson coupling constant of the exotic Xinsert ignore into journalissuearticles values(3872); state are computed within the two-point sum rule method using the diquark-antidiquark and molecule interpolating currents. In calculations the quark, gluon and mixed vacuum condensates up to ten dimensions are taken into account. Within the diquark-antidiquark picture for the mass of the Xinsert ignore into journalissuearticles values(3872); state we obtain mX = 3873 MeV, which is very close to the experimental result of the Belle Collaboration. The molecule model leads for mX to the prediction that slightly exceeds the experimental data. We compare our predictions for the mass and coupling constant with available experimental data and other theoretical results.
Keywords : Exotic hadron, QCD sum rules, Mass, Current Meson coupling constnat

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