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Theoretical study models pentaquark molecular state production in electron-positron collisions, suggesting viable experimental signatures for exotic hadron detection.
In the present work, we propose to investigate the productions of Pc(4312) P c ( 4312 ) , Pc(4440) P c ( 4440 ) , and Pc(4457) P c ( 4457 ) in the e⁺ e⁻ → p p̄ J/ψ e + e - → p p ¯ J / ψ process by utilizing an effective Lagrangian approach, where Pc(4312) P c ( 4312 ) is considered as Σ c D̄ Σ c D ¯ molecular state with JP=1/2⁻ J P = 1 / 2 - , while Pc(4440) P c ( 4440 ) and Pc(4457) P c ( 4457 ) are considered as Σ c D̄* Σ c D ¯ ∗
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Guo et al. (2026) studied this question.
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