Measurement of the Lifetime of the Doubly Charmed Baryon Ξcc + +

(LHCb Collaboration)

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The first measurement of the lifetime of the doubly charmed baryon Ξcc++ is presented, with the signal reconstructed in the final state Λc+K-π+π+. The data sample used corresponds to an integrated luminosity of 1.7 fb-1, collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV. The Ξcc++ lifetime is measured to be 0.256-0.022+0.024(stat)±0.014(syst) ps.

Idioma originalAnglès
Número d’article052002
RevistaPhysical Review Letters
Estat de la publicacióPublicada - 31 de jul. 2018


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