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

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Schmelling,  M.       
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Zavertyaev,  M.       
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Citation

LHCb Collaboration, Aaij, R., Abdelmotteleb, A. S. W., Abellan Beteta, C., Abudinén, F., Ackernley, T., et al. (2024). Study of CP violation in B0 → DK(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states. Journal of High Energy Physics, 2024(5): 25. doi:10.1007/JHEP05(2024)025.


Cite as: https://hdl.handle.net/21.11116/0000-000F-4523-C
Abstract
A measurement of CP -violating observables associated with the interference of B0 → D0K(892)0 and B0 → D0K(892)0 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 Bs0 → D0K(892)0 and Bs0 → D0K(892)0 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 rB0DK and δB0DK 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.