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Hadronic molecule interpretation of T^+_(cc) and its beauty-partners

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arxiv 2109.02531 v3 pith:XLJQSJFW submitted 2021-09-06 hep-ph hep-ex

Hadronic molecule interpretation of T^+_(cc) and its beauty-partners

classification hep-ph hep-ex
keywords hadronicmoleculebeauty-partnersinterpretationlhcbantiquarksaroundbesides
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Motivated by the latest discovery of a new tetraquark $T_{cc}^+$ with two charm quarks and two light antiquarks by LHCb Collaboration, we investigated the $DD^*$ hadronic molecule interpretation of $T_{cc}^+$. By calculation, the mass and the decay width of this new structure $T_{cc}^+$ can be understood in one-meson exchange potential model. The binding energies for these $DD^*$ hadronic molecules with $J^P=1^+$ are around $1MeV$. Besides, we also studied the possible beauty-partners $T_{bb}(10598)$ of hadronic molecule $T^+_{cc}$, which may be feasible in future LHCb experiments.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Systematic Study of Coupled-Channel Dynamics in Doubly Heavy Hadronic Molecules

    hep-ph 2026-05 unverdicted novelty 7.0

    Explicit coupled-channel dynamics modifies pole structures and can eliminate or shift higher-lying states in doubly heavy systems, while single-channel models suffice only for near-threshold states like T_cc.