$On the search for the two poles of the $$\Xi (1820)$$ Ξ ( 1820 ) in the $$\psi (3686) \rightarrow \bar{\Xi }^+ \bar{K}^0 \Sigma ^{*-}(\pi ^- \Lambda )$$ ψ ( 3686 ) → Ξ ¯ + K ¯ 0 Σ ∗ - ( π - Λ ) decay$

On the search for the two poles of the $$\Xi (1820)$$ Ξ ( 1820 ) in the $$\psi (3686) \rightarrow \bar{\Xi }^+ \bar{K}^0 \Sigma ^{*-}(\pi ^- \Lambda )$$ ψ ( 3686 ) → Ξ ¯ + K ¯ 0 Σ ∗ - ( π - Λ ) decay

Abstract We propose the reaction $$\psi (3686) \rightarrow \bar{\Xi }^+ \bar{K}^0 \Sigma ^{*-}$$ ψ ( 3686 ) → Ξ ¯ + K ¯ 0 Σ ∗ - , with the $$\Sigma ^{*-}$$ Σ ∗ - decaying to $$\pi ^- \Lambda $$ π - Λ in order to show evidence for the existence of two $$\Xi (1820)$$ Ξ ( 1820 ) states, one around 1824...

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Bibliographic Details
Main Authors:	Man-Yu Duan, Jing Song, Wei-Hong Liang, E. Oset
Format:	Article
Language:	English
Published:	SpringerOpen 2024-09-01
Series:	European Physical Journal C: Particles and Fields
Online Access:	https://doi.org/10.1140/epjc/s10052-024-13293-5
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