Hybrid meson properties in Lattice QCD and Flux Tube Models

Abstract

Flux tube model predictions for hybrid meson decays are beginning to be confronted by Lattice QCD. We compare the two approaches for the $S$-wave decay of the exotic $1^{-+}$, and find excellent agreement. Results suggest that in Strong QCD, \qq~ creation occurs with S=1.

arXiv comment6 pages, 1 figure, v2: discussion of parameters and lattice uncertainties added

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• A Candidate for $1^{--}$ Strangeonium Hybrid
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• The Status of Exotic-quantum-number Mesons
• Hadron Spectroscopy: Theory and Experiment
• Masses of J^PC =1^-+ exotic quarkonia in a Bethe-Salpeter-equation approach
• The phenomenology of the exotic hybrid nonet with ${\pi }_1(1600)$ and ${\eta }_1(1855)$
• The Strong Decay Patterns of the $1^{-+}$ Exotic Hybrid Mesons
• The Decay Properties of the 1^{-+} Hybrid State
• Revisiting the b1 pi and rho pi decay modes of the 1-+ light hybrid state with light-cone QCD sum rules
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• Radiative production and decays of the exotic ${\eta }_1^{\prime }(1855)$ and its siblings
• Hyperfine splitting and the experimental candidates for η_b(2S)
• How the small hyperfine splitting of P-wave mesons evades large loop corrections
• Light double-gluon hybrid states from QCD sum rules
• Hybrid exotic meson with J^{PC}=1^{-+} in AdS/QCD
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• Fully-strange tetraquark states with the exotic quantum numbers $J^{PC}=0^{+-}$ and $2^{+-}$
• Predictions of the hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$
• Light double-gluon hybrid states with the exotic quantum numbers $J^{PC}=1^{-+}$ and $3^{-+}$
• Charmonium production in e+e- to ψ+ X(c\bar c) and e+e- to D*D_J