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Model-independent measurement of charm mixing parameters in B→D0(→KS0π+πνμX decays

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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., Abellan Beteta, C., Abudinén, F., Ackernley, T., et al. (2023). Model-independent measurement of charm mixing parameters in B→D0(→KS0π+πνμX decays. Physical Review D, 108(5): 052005. doi:10.1103/PhysRevD.108.052005.


Cite as: https://hdl.handle.net/21.11116/0000-000D-D847-0
Abstract
A measurement of charm mixing and CP-violating parameters is reported, using B→D0(→KS0π+π)μνμX decays reconstructed in proton-proton collisions collected by the LHCb experiment during the years 2016 to 2018, corresponding to an integrated luminosity of 5.4 fb−1. The measured mixing and CP-violating parameters are xCP=[4.29±1.48(stat)±0.26(syst)]×10−3, yCP=[12.61±3.12(stat)±0.83(syst)]×10−3, Δx=[−0.77±0.93(stat)±0.28(syst)]×10−3, Δy=[3.01±1.92(stat)±0.26(syst)]×10−3. The results are complementary to and consistent with previous measurements. A combination with the recent LHCb analysis of D*+→D0(→KS0π+π+ decays is reported.