The observed charmed hadron ${\Lambda }_c(2940{)}^{+}$ and the $D^{\ast }N$ interaction

Abstract

In this work, we systematically study the interaction of $D^{\ast }$ and nucleon, which is stimulated by the observation of ${\Lambda }_c(2940{)}^{+}$ close to the threshold of $D^{\ast }p$. Our numerical result obtained by the dynamical investigation indicates the existence of the $D^{\ast }N$ systems with $J^P=1/2^{\pm },3/2^{\pm }$, which not only provides valuable information to understand the underlying structure of ${\Lambda }_c(2940{)}^{+}$ but also improves our knowledge of the interaction of $D^{\ast }$ and nucleon. Additionally, the bottom partners of the $D^{\ast }N$ systems are predicted, which might be as one of the tasks in LHCb experiment.

8 pages, 6 Figures. Accepted for publication in Phys. Rev. D

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• Investigating the excited ${\Omega }_c^0$ states through ${\Xi }_{c}K$ and ${\Xi }_c^{{}^{\prime }}K$ decay channels
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• Strong Decays of observed ${\Lambda }_c$ Baryons in the ${}^3{P}_0$ Model
• Production of charmed baryon ${\Lambda }_c(2940{)}^{+}$ at PANDA
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• Unveiling the Composition of the Single-Charm Molecular Pentaquarks: Insights from Radiative Decay and Magnetic Moment
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• Possibility of ${\Sigma }_c(2800)$ and ${\Lambda }_c(2940{)}^{+}$ as $S$-wave $D^{(\ast )}N$ molecular states
• Production of open-charm pentaquark molecules in decay $B^0\to {\bar{D}}^{0}p\bar{p}$
• Octet baryon and heavy meson interactions in chiral effective field theory
• $\bar{D}{\Sigma }_c^{\ast }$ and ${\bar{D}}^{\ast }{\Sigma }_c$ interactions and LHCb pentaquarks
• Electromagnetic probes revealing the inner structure of the ${\Lambda }_c(2940)$