Predicted charged charmonium-like structures in the hidden-charm dipion decay of higher charmonia

Abstract

In this work, we predict two charged charmonium-like structures close to the $D^{\ast }\bar{D}$ and $D^{\ast }{\bar{D}}^{\ast }$ thresholds, where the Initial Single Pion Emission mechanism is introduced in the hidden-charm dipion decays of higher charmonia $\psi (4040)$, $\psi (4160)$, $\psi (4415)$ and charmonium-like state Y(4260). We suggest BESIII to search for these structures in the $J/\psi {\pi }^{+}$, $\psi (2S){\pi }^{+}$ and $h_b(1P){\pi }^{+}$ invariant mass spectra of the $\psi (4040)$ decays into $J/\psi {\pi }^{+}{\pi }^{-}$, $\psi (2S){\pi }^{+}{\pi }^{-}$ and $h_b(1P){\pi }^{+}{\pi }^{-}$. In addition, the experimental search for these structures in the $J/\psi {\pi }^{+}$, $\psi (2S){\pi }^{+}$ and $h_c(1P){\pi }^{+}$ invariant mass spectra of the $\psi (4260)$ hidden-charm dipion decays will be accessible at Belle and BaBar.

7 pages, 6 figures, 1 table. More discussions added. Accepted for publication in Phys. Rev. D

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• Exploring the threshold behavior and implications on the nature of Y(4260) and $Z_c(3900)$
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• Radiative decays of the neutral $Z_c(3900)$
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• Searching for charmoniumlike states with hidden $s\bar{s}$
• Observation of $e^{+}{e}^{-}\to \eta h_c$ at center-of-mass energies from 4.085 to 4.600 GeV
• Distinguishing cusp effects and near-threshold-pole effects
• Production of $Z_c(3900$) and $Z_c(4020)$ in $B_c$ decay
• Possible hadronic molecular states composed of $S$-wave heavy-light mesons
• Understanding the ${\eta }_c\rho$ decay mode of $Z_c^{(\prime )}$ via the triangle loop mechanism
• Simulating the charged charmoniumlike structure $Z_c(4025)$
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• Double Exotic States Productions in Pion and Kaon Induced Reactions
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