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Measurement of CP violation in B0 → D+D− and B0S → D+sD-s decays

A time-dependent, flavour-tagged measurement of CP violation is performed with B0 → D+D− and $$ {B}_s^0 $$→ $$ {D}_s^{+}{D}_s^{-} $$decays, using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 6 fb−1....

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Carus, Leon (Author) , Caspary, Rowina (Author) , Celani, Sara (Author) , Cocha Toapaxi, Carlos (Author) , De Cian, Michel (Author) , Dittmann, Lucas (Author) , Esen, Sevda (Author) , Glaser, Fabian (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Herrero Gascón, Paula (Author) , Langenbruch, Christoph (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Morgenthaler, Maurice Pierre (Author) , Roy, Shreya (Author) , Ruiz Diaz, Miguel (Author) , Tuci, Giulia (Author) , Uecker, Lennart Henning (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Wang, Chishuai (Author) , Witola, Lukas (Author) , Zhao, Ya (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 09 January 2025
In: Journal of high energy physics
Year: 2025, Pages: 1-26
ISSN:1029-8479
DOI:10.1007/JHEP01(2025)061
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP01(2025)061
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Author Notes:The LHCb collaboration*
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Summary:A time-dependent, flavour-tagged measurement of CP violation is performed with B0 → D+D− and $$ {B}_s^0 $$→ $$ {D}_s^{+}{D}_s^{-} $$decays, using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 6 fb−1. In B0 → D+D− decays the CP-violation parameters are measured to beSD+D−=−0.552±0.100stat±0.010syst,CD+D−=0.128±0.103stat±0.010syst.$$ {\displaystyle \begin{array}{c}{S}_{D^{+}{D}^{-}}=-0.552\pm 0.100\left(\textrm{stat}\right)\pm 0.010\left(\textrm{syst}\right),\\ {}{C}_{D^{+}{D}^{-}}=0.128\pm 0.103\left(\textrm{stat}\right)\pm 0.010\left(\textrm{syst}\right).\end{array}} $$
Item Description:*The LHCb collaboration: R. Aaij, S. Bachmann, L. Carus, R. Caspary, S. Celani, C. Cocha Toapaxi, M. De Cian, L. Dittmann, S. Esen, F.C. Glaser, P.A. Günther, X. Han, S. Hansmann-Menzemer, P. Herrero Gascon, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, S.R. Roy, M. Ruiz Diaz, G. Tuci, L.H. Uecker, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und sehr viele weitere Personen]
Gesehen am 15.10.2025
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Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP01(2025)061

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