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Model-independent measurement of charm mixing parameters in B[bar]→D0(→K0Sπ+π−)μ− ν[bar]μX decays

A measurement of charm mixing and CP-violating parameters is reported, using ¯B→D0(→K0Sπ+π−) μ−¯νμX 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-viola...

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Main Authors: Aaij, Roel (Author) , Archilli, Flavio (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Caspary, Rowina (Author) , Frau, Giulia (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Marks, Jörg (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Witola, Lukas (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 6 September 2023
In: Physical review
Year: 2023, Volume: 108, Issue: 5, Pages: 1-17
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.052005
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevD.108.052005
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.108.052005
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Author Notes:R. Aaij et al. (LHCb Collaboration*)
Description
Summary:A measurement of charm mixing and CP-violating parameters is reported, using ¯B→D0(→K0Sπ+π−) μ−¯νμX 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(→K0Sπ+π−)π+ decays is reported.
Item Description:*LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, C. Witola, A. Zhelezov (und 1044 weitere Personen)
Im Titel sind die Zahl 0 sowie die Plus- und Minuszeichen hochgestellt, der Buchstabe S und das 2. Zeichen mu sind tiefgestellt
Im Titel steht der Buchstabe B sowie das Zeichen nu mit einem Oberstrich
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Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.052005

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