Spectra and decays of hybrid charmonia

Abstract

QCD string model is employed to calculate the masses and spin splittings of lowest charmonium hybrid states with a magnetic gluon. Relative decay rates into various S- and P-wave D-meson pairs are calculated for these hybrids.

arXiv commentRevTeX4, 19 pages, introduction extended, version to appear in Phys.Rev.D

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• Exploring the threshold behavior and implications on the nature of Y(4260) and $Z_c(3900)$
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• Puzzles in hadronic transitions of heavy quarkonium with two pion emission
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• Prediction of an exotic state around 4240 MeV with $J^{PC}=1^{-+}$ as C-parity partner of Y(4260) in molecular picture
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• A novel explanation of charmonium-like structure in $e^{+}{e}^{-}\to \psi (2S){\pi }^{+}{\pi }^{-}$
• Decay Properties of Conventional and Hybrid Charmonium Mesons
• Nonperturbative approach to the parton model
• Hybrid meson masses and the correlated Gaussian basis
• QCD string in excited heavy-light mesons and heavy-quark hybrids
• Baryons in the Field Correlator Method: Effects of the Running Strong Coupling
• Hyperspherical-coordinate approach to the spectra and decay widths of hybrid quarkonia
• String Correction for Baryon Orbital Excitations
• Masses and decays of the bottom-charm hybrid meson $c\bar{b}g$
• Puzzles in quarkonium hadronic transitions with two pion emission
• The hybrid meson: new results from the updated mg and alpha_s parameters