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Can the newly $P_{cs}(4459)$ be a strange hidden-charm $\Xi_c\bar{D}^{*}$ molecular pentaquarks?

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arxiv 2011.07214 v1 pith:7U76XLWT submitted 2020-11-14 hep-ph

classification hep-ph
keywords molecularprimesystemchannelcoupledhidden-charmnewlystate
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Stimulated by the $P_{cs}(4459)$ reported by the LHCb Collaboration, we perform a single $\Xi_c\bar{D}^*$ channel and a coupled $\Xi_c\bar{D}^*/\Xi_c^*\bar{D}/\Xi_c^{\prime}\bar{D}^*/\Xi_c^*\bar{D}^*$ channel analysis by using a one-boson-exchange model. Our results indicate that the newly $P_{cs}(4459)$ cannot be a pure $\Xi_c\bar{D}^*$ molecular state, but a coupled $\Xi_c\bar{D}^*/\Xi_c^*\bar{D}/\Xi_c^{\prime}\bar{D}^*/\Xi_c^*\bar{D}^*$ bound state with $I(J^P)=0(3/2^-)$, where the $\Xi_c\bar{D}^*$ and $\Xi_c^*\bar{D}$ components are dominant. Meanwhile, we find the interactions from the $\Xi_c^{\prime}\bar{D}^*$ system with $0(1/2^-)$, the $\Xi_c^{*}\bar{D}$ system with $1(3/2^-)$, and the $\Xi_c^{*}\bar{D}^*$ system with $1(1/2^-)$ are strongly attractive, where one can expect possible strange hidden-charm molecular or resonant structures near the these thresholds with the assigned quantum numbers.

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Cited by 1 Pith paper

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  1. Investigation of full heavy $ QQQQ'\bar{Q}$ pentaquark candidates

    hep-ph 2025-02 conditional novelty 4.0 of 10

    QCD sum rules predict a pentaquark with three charm quarks, one bottom quark, and an anti-charm quark near 11.38 GeV, and a pentaquark with three bottom quarks, one charm quark, and an anti-bottom quark near 21.0 GeV,...

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