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Measurement of the ratio of branching fractions B(B+c → B0sπ+)/B(B+c → J/ψπ+)

The ratio of branching fractions of {B}_c^{+}\to {B}_s^0{\pi}^{+} and {B}_c^{+}\to J/\psi {\pi}^{+} decays is measured with proton-proton collision data of a centre-of-mass energy of 13 TeV. The data were collected with the LHCb experiment during 2016-2018, corresponding to an integrated luminosity...

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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) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kopecná, Renata (Author) , Kubat, Jakub (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Marks, Jörg (Author) , Promberger, Laura (Author) , Schmelling, Michael (Author) , Skuza, Raphael (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Wang, Chishuai (Author) , Witola, Lukas (Author) , Zhelezov, Alexey (Author) , Zavertyaev, M. (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 07 July 2023
In: Journal of high energy physics
Year: 2023, Issue: 7, Pages: [1], 1-18
ISSN:1029-8479
DOI:10.1007/JHEP07(2023)066
Online Access:Resolving-System, kostenfrei, Volltext: https://doi.org/10.1007/JHEP07(2023)066
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP07(2023)066
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Author Notes:the LHCb collaboration
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Summary:The ratio of branching fractions of {B}_c^{+}\to {B}_s^0{\pi}^{+} and {B}_c^{+}\to J/\psi {\pi}^{+} decays is measured with proton-proton collision data of a centre-of-mass energy of 13 TeV. The data were collected with the LHCb experiment during 2016-2018, corresponding to an integrated luminosity of 5.4 fb−1. The {B}_s^0 mesons are reconstructed via the decays {B}_s^0\to J/\psi \phi and {B}_s^0\to {D}_s^{-}{\pi}^{+}. The ratio of branching fractions is measured to be \mathcal{B}\left({B}_c^{+}\to {B}_s^0{\pi}^{+}\right)/\mathcal{B}\left({B}_c^{+}\to J/\psi {\pi}^{+}\right)=91\pm 10\pm 8\pm 3 where the first uncertainty is statistical, the second is systematic and the third is due to the knowledge of the branching fractions of the intermediate state decays.
Item Description:Im Titel sind das Plus-Zeichen und die Null hochgestellt; "c" und "s" sind tiefgestellt
Gesehen am 30.04.2024
The LHCb collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecná, J. Kubat, B. Leverington, P. Li, J. Marks, L. Promberger, M. Schmelling, R. Skuza, D.J. Unverzagt, U. Uwer, C. Wang, A. Zhelezov, M. Zavertyaev [und 1044 weitere]
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP07(2023)066

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