Mass predictions of vector (
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) double-gluon heavy quarkonium hybrids from QCD sum rules

Tang, Chun-Meng; Zhao, Y. B.; Tang, Liang

doi:10.1103/physrevd.105.114004

Cited by 11 publications

(1 citation statement)

References 94 publications

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“…This mass value is accessible in the BESIII, Belle-II, GlueX, LHC, and PANDA experiments. Later in [1089] the authors studied the J PC = 1 −− double-gluon charmonium and bottomonium hybrid mesons in terms of QCD sum rules, whose masses were evaluated to be about 5.5 GeV and 11.5 GeV, respectively.…”

Section: Double-gluon Hybridsmentioning

confidence: 99%

An updated review of the new hadron states

et al. 2022

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The past decades witnessed the golden era of hadron physics. Many excited open heavy flavor mesons and baryons have been observed since 2017. We shall provide an updated review of the recent experimental and theoretical progresses in this active field. Besides the conventional heavy hadrons, we shall also review the recently observed open heavy flavor tetraquark states X(2900) and Tcc(3875) as well as the hidden heavy flavor multiquark states X(6900), Pcs(4459), Zcs(3985), Zcs(4000), and Zcs(4220). We will also cover the recent progresses on the glueballs and light hybrid mesons, which are the direct manifestations of the non-Abelian SU(3) gauge interaction of the Quantum Chromodynamics in the low-energy region.

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Section: Double-gluon Hybridsmentioning

confidence: 99%

An updated review of the new hadron states

et al. 2022

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Revisit the heavy quarkonium double-gluon hybrid mesons with exotic quantum numbers

Lian,

Wang,

Chen

et al. 2024

J. High Energ. Phys.

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We revisit the masses of heavy quarkonium double-gluon hybrid mesons with exotic quantum numbers JPC = 1−+ and 2+− in the framework of the QCD sum rules. Considering the double-gluon hybrid meson operators in the octet-octet color structure, we have constructed two independent interpolating currents with JPC = 1−+ and five independent currents with JPC = 2+−. For the interpolating currents with antisymmetric glueball operator, there exist non-local divergences in one kind of additional Feynman diagrams of the tri-gluon condensate, which will give important contributions to the sum rule stabilities and mass predictions. We use the diagrammatic renormalization to cancel out such divergences. At the leading order of αs, the two-point correlation functions and spectral densities can be expressed in the analytic form of the generalized hypergeometric functions and Meijer’s G-functions. After performing the numerical analysis, we predict the masses of the 1−+ and 2+− charmonium double-gluon hybrid mesons to be around 6.1 − 7.2 GeV and 6.3 − 6.4 GeV, respectively. For the bottomonium systems, their masses are predicted to be 13.7 − 14.3 GeV and 12.6 − 13.3 GeV for the 1−+ and 2+− channels, respectively. Besides, it is possible to hunt for these charmonium hybrids in the radiative decays of bottomonium mesons in BelleII experiment. Further investigations on these hybrid states in various theoretical and phenomenological methods are also anticipated in the future.

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Radiative production and decays of the exotic η1′(1855) and its siblings

Shastry

Giacosa

2023

Nuclear Physics A

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Mass predictions of vector ( 1−− ) double-gluon heavy quarkonium hybrids from QCD sum rules

Cited by 11 publications

References 94 publications

An updated review of the new hadron states

An updated review of the new hadron states

Revisit the heavy quarkonium double-gluon hybrid mesons with exotic quantum numbers

Radiative production and decays of the exotic η1′(1855) and its siblings

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