Neutral hidden charm pentaquark states $P_c^0(4380)$ and $P_c^0(4450)$ in ${\pi }^{-}p\to J/\psi n$ reaction

Abstract

We investigate the neutral hidden charm pentaquark states $P_c^0(4380)$ and $P_c^0(4450)$ in ${\pi }^{-}p\to J/\psi n$ reaction within an effective Lagrangian approach. The background contributions for the process mainly come from $t$-channel $\pi$ and $\rho$ meson exchanges. The contributions of $P_c^0(4380)$ and $P_c^0(4450)$ states give clear peak structures in the magnitude of 1 $\mu$b at center of mass energy 4.38 GeV and 4.45 GeV in the total cross sections. Hence, this reaction may provide a new good platform to search for neutral $P_c$ states. It is expected that our estimated total cross sections together with the angular distributions can be tested by future experiments at J-PARC.

9 pages, 6 figures. minor changes to text and added references

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Cited by in corpus (29)

• Hadronic molecules
• Pentaquark states in a diquark-triquark model
• Remarks on the $P_c$ structures and triangle singularities
• Magnetic moments of the hidden-charm pentaquark states
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• Coupled channel analysis of molecule picture of $P_c(4380)$
• Decay behaviors of Pc hadronic molecules
• Disentangling the hadronic molecule nature of the $P_c(4380)$ pentaquark-like structure
• Possibility to study pentaquark states $P_c(4312),P_c(4440)$, and $P_c(4457)$ in $\gamma p\to J/\psi p$ reaction
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• Pion-induced production of hidden-charm pentaquarks $P_c(4312),P_c(4440)$, and $P_c(4457)$
• Photoproduction of hidden-charm states in the $\gamma p\to {\bar{D}}^{\ast 0}{\Lambda }_c^{+}$ reaction near threshold
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• Revisiting hidden-charm pentaquarks from QCD sum rules
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• Hidden-charm Pentaquark Production at $e^{+}{e}^{-}$ Colliders
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