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Compact pentaquark states
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We investigated the lightest pentaquark state observed by the LHCb collaboration as a compact five-quark ground-state, with spin S = 3/2, and we showed that this state belongs to a SUf(3) flavor octet by means of a group theory approach. Moreover, we predicted in a parameter-free way the pentaquark state mass spectra for all the octet-pentaquark states. Finally, by means of an effective Lagrangian approach, we computed the octet-pentaquark partial decay widths in J/ψΛ, J/ψΣ and J/ψΞ channels.
Title: Compact pentaquark states
Description:
We investigated the lightest pentaquark state observed by the LHCb collaboration as a compact five-quark ground-state, with spin S = 3/2, and we showed that this state belongs to a SUf(3) flavor octet by means of a group theory approach.
Moreover, we predicted in a parameter-free way the pentaquark state mass spectra for all the octet-pentaquark states.
Finally, by means of an effective Lagrangian approach, we computed the octet-pentaquark partial decay widths in J/ψΛ, J/ψΣ and J/ψΞ channels.
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