What can we learn from the electromagnetic properties of hidden-charm molecular pentaquarks with single strangeness?

Abstract

Inspired by the observation of the $P_{cs}(4459)$ and $P_{\psi s}^{\Lambda }(4338)$, we systematically investigate the magnetic moments, the transition magnetic moments, and the radiative decay behaviors of the $S$-wave isoscalar ${\Xi }_c^{(\prime )}{\bar{D}}^{(\ast )}$ molecular pentaquark states in this work. Our quantitative investigation shows that their electromagnetic properties can provide important hint to decode the inner structure of these discussed isoscalar ${\Xi }_c^{(\prime )}{\bar{D}}^{\ast }$ molecular pentaquarks. As the potential research issue, we suggest future experiment to focus on the electromagnetic properties of these isoscalar ${\Xi }_c^{(\prime )}{\bar{D}}^{(\ast )}$ molecular pentaquarks, which are a typical hidden-charm molecular pentaquark system with single strangeness.

arXiv comment13 pages, 5 figures and 9 tables. arXiv admin note: text overlap with arXiv:2207.08660

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Cited by in corpus (26)

• An updated review of the new hadron states
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• Emergence of molecular-type characteristic spectrum of hidden-charm pentaquark with strangeness embodied in the $P_{\psi s}^{\Lambda }(4338)$ and $P_{cs}(4459)$
• Exploring the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}_s^{\ast }$ and ${\Omega }_c^{(\ast )}{\bar{D}}_s^{\ast }$ molecular states
• Analysis of the hidden-charm pentaquark states based on magnetic moment and transition magnetic moment
• Spectrum of the molecular pentaquarks
• $P_{\psi s}^{\Lambda }(4459)$ and $P_{\psi s}^{\Lambda }(4338)$ as molecular states in $J/\psi \Lambda$ invariant mass spectra
• Surveying the mass spectra and the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{D}^{(\ast )}$ molecular pentaquarks
• Spectroscopic survey of higher-lying states of $B_c$ meson family
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