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

(LHCb Collaboration)

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Resum

Two new excited states, ωc(3185)0 and ωc(3327)0, are observed in the Ξc+K- 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 ωc0 states are confirmed, namely ωc(3000)0, ωc(3050)0, ωc(3065)0, ωc(3090)0, and ωc(3119)0. The masses and widths of these seven states are measured with the highest precision to date.

Idioma originalAnglès
Número d’article131902
RevistaPhysical Review Letters
Volum131
Número13
DOIs
Estat de la publicacióPublicada - 29 de set. 2023

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