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Exotic mesons with double charm and bottom flavor

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arxiv 1202.0760 v2 pith:SOTP2VNX submitted 2012-02-03 hep-ph

Shunsuke Ohkoda , Yasuhiro Yamaguchi , Shigehiro Yasui , Kazutaka Sudoh , Atsushi Hosaka This is my paper
classification hep-ph
keywords flavormesonsquarkstatesbottomcharmexoticheavy
verification ladder T0 review T1 audit T2 compute T3 formal
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We study exotic mesons with double charm and bottom flavor, whose quark configuration is \bar{Q}\bar{Q}qq. This quark configuration has no annihilation process of quark and antiquark, and hence is a genuinely exotic states. We take a hadronic picture by considering the molecular states composed of a pair of heavy mesons, such as DD, DD* and D*D* for charm flavor, and BB, BB* and B*B* for bottom flavor. The interactions between heavy mesons are derived from the heavy quark effective theory. All molecular states are classified by I(J^P) quantum numbers, and are systematically studied up to the total angular momentum J \leq 2. By solving the coupled channel Schrodinger equations, due to the strong tensor force of one pion exchanging, we find bound and/or resonant states of various quantum numbers.

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Cited by 4 Pith papers

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

  1. Possible $\bar{D}^{(*)} \Xi_{cc}^{(*)}$ and $\Xi_{cc}^{(*)}\Xi_{cc}^{(*)}$ molecules as superflavor partners of $T_{cc}$

    hep-ph 2026-03 conditional novelty 6.0 of 10

    Using one-boson-exchange potentials and superflavor symmetry, the authors predict many hadronic molecules of charmed mesons and doubly charmed baryons as partners of the Tcc tetraquark.

  2. Prediction of $QQqq\bar{s}$ molecular pentaquarks within the extended local hidden gauge approach

    hep-ph 2025-08 reject novelty 6.0 of 10

    A model calculation predicts fourteen double-heavy molecular pentaquark states, but their existence and binding energies depend critically on an unconstrained regularization parameter.

  3. $T_{bc\bar s}$ states in the process $\Upsilon \to D^{-} \bar B^{0} D_s^{+}$

    hep-ph 2025-08 conditional novelty 5.0 of 10

    The decay Upsilon -> D- anti-B0 Ds+ is predicted to show a peak near 7415-7425 MeV from a spin-2 tetraquark molecule, plus a threshold dip.

  4. Production mechanism of doubly charmed exotic mesons $T_{cc}$

    hep-ph 2025-07 conditional novelty 4.0 of 10

    A coupled-channel model generates the Tcc(3875)+ as an isovector DD* molecule and predicts three additional J=1 tetraquark states, including a negative-parity resonance.

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