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Hidden Charm Pentaquark $P_c(4380)$ and Doubly Charmed Baryon $\Xi_{cc}^*(4380)$ as Hadronic Molecule States

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arxiv 1708.04743 v1 pith:RIM5ZZTV submitted 2017-08-16 hep-ph nucl-th

Yuki Shimizu , Masayasu Harada This is my paper · ORCID
classification hep-phnucl-th
keywords frachadroniclambdabaryonchannelcharmedcoupleddoubly
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We study hadronic molecular states in a coupled system of $J/\psi N - \Lambda_c\bar{D}^{(*)} - \Sigma_c^{(*)}\bar{D}^{(*)}$ in $I(J^P) = \frac{1}{2}(\frac{3}{2}^-)$ channel, using the complex scaling method combined with the Gaussian expansion method. We construct the potential including one pion exchange and one $D^{(*)}$ meson exchange with $S$-wave orbital angular momentum. We find that the both mass and width of the pentaquark $P_c(4380)$ can be reproduced within a reasonable parameter region, and that its main decay mode is $\Lambda_c\bar{D}^*$. We extend our analysis to a coupled system of $\Lambda_c D^{(*)} - \Sigma_c^{(*)}D^{(*)}$ in $I(J^P) = \frac{1}{2}(\frac{3}{2}^-)$ channel. We find that there exists a doubly charmed baryon of $ccqq\bar{q}$ type as a hadronic molecule, the mass and width of which are quite close to those of $P_c(4380)$.

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Cited by 5 Pith papers

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

  1. Molecular Interpretation of the $P_c(4440)$ and $P_c(4457)$ States

    hep-ph 2019-08 conditional novelty 7.0 of 10

    The paper predicts Pc(4440) has J^P = 3/2- and Pc(4457) has J^P = 1/2+ in a pion-exchange coupled-channel model without short-range terms.

  2. Magnetic dipole moments as probes of doubly-bottom molecular pentaquarks

    hep-ph 2026-07 conditional novelty 5.0 of 10

    For the molecular pentaquark configurations BΣ_b, BΣ_b*, and B*Σ_b, the predicted magnetic dipole moments are 2.40, −2.84, and 5.17 nuclear magnetons respectively, with a sign and magnitude pattern sensitive to spin s...

  3. Double-strangeness hidden-charm pentaquarks

    hep-ph 2025-06 conditional novelty 5.0 of 10

    A coupled-channel calculation predicts five narrow negative-parity and three broad positive-parity double-strangeness hidden-charm pentaquark states.

  4. Doubly-charmed pentaquark states in a mass splitting model

    hep-ph 2025-04 conditional novelty 5.0 of 10

    Using a color-magnetic interaction model anchored to P_c(4312), the authors predict three stable doubly-charmed pentaquarks below their strong decay thresholds.

  5. Doubly charmed pentaquark states with strangeness $S=0, -1$

    hep-ph 2025-09 conditional novelty 3.0 of 10

    Parity-projected QCD sum rules predict that several doubly charmed pentaquark molecular states lie below their meson-baryon mass thresholds, including triply charged states with no ordinary baryon counterpart.

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