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Observation of New ωc0 States Decaying to the Ξc+ K- Final State

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Two new excited states, Ω  ⁢(3185)0 and Ω  ⁢(3327)0, are observed in the Ξ+  ⁢  − invariant-mass spectrum using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9  fb−1. Five previously observed excited Ω0   states are confirmed, namely Ω  ⁢(3000)0, Ω  ⁢(3050)0, Ω  ⁢(3065)0, Ω  ⁢(3090)0, and Ω  ⁢(3119)0. The masses and widths of these seven states are measured with the highest precision to date.

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Physical Review Letters, 2023, vol. 131, num.131902

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Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Observation of New ωc0 States Decaying to the Ξc+ K- Final State