Study of CP violation in B0→ DK(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states

The LHCb collaboration

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Resum

A measurement of CP-violating observables associated with the interference of B0→ D0K(892)0 and B0→D¯0K8920 decay amplitudes is performed in the D0→ Kπ±+π), D0→ π+π+π), and D0→ K+K final states using data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb−1. CP-violating observables related to the interference of Bs 0→D08920 and Bs 0→D¯08920 are also measured, but no evidence for interference is found. The B0 observables are used to constrain the parameter space of the CKM angle γ and the hadronic parameters rB0 DK⋆ and δB0 DK⋆ with inputs from other measurements. In a combined analysis, these measurements allow for four solutions in the parameter space, only one of which is consistent with the world average.

Idioma originalAnglès
Número d’article25
Nombre de pàgines30
RevistaJournal of High Energy Physics
Volum2024
Número5
DOIs
Estat de la publicacióPublicada - de maig 2024

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