Investigating the hidden-charm and hidden-bottom pentaquark resonances in scattering process

Abstract

In the framework of quark delocalization color screening model, both the hidden-charm and hidden-bottom pentaquark resonances are studied in the hadron-hadron scattering process. A few narrow pentaquark resonances with hidden-charm above $4.2$ GeV, and some narrow pentaquark resonances with hidden-bottom above $11$ GeV are found from corresponding scattering processes. Besides, the states $N{\eta }_c$, $NJ/\psi$, $N{\eta }_b$ and $N{\rm Y}$ with $I{J}^P=\frac{1}{2}{\frac{1}{2}}^{-}$, as well as $NJ/\psi$ and $N{\rm Y}$ with $I{J}^P=\frac{1}{2}{\frac{3}{2}}^{-}$ are all possible to be bound by channel-coupling calculation. All these heavy pentaquarks are worth searching in the future experiments.

9 pages, 8 figures

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• Selected Science Opportunities for the EicC
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• Nucleon Resonances with Hidden Charm in $\gamma p$ reactions
• Confronting pentaquark photoproduction with new LHCb observations
• Investigation of hidden-charm pentaquarks with strangeness $S=-1$
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• Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom
• Production of hidden-charm and hidden-bottom pentaquark states in electron-proton collisions
• Investigation of a candidate spin-$\frac{1}{2}$ hidden-charm triple strange pentaquark state $P_{csss}$
• Hidden-Bottom Pentaquarks: Mass Spectrum, Magnetic Moments and Partial Widths
• Exclusive Charmonium Production at the Electron-ion collider in China
• Study of the hidden charm pentaquarks ${\Lambda }_{c\bar{c}}$ above $4$ GeV