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A measurement of ∆Γs

Using a dataset corresponding to 9 fb−1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes B0s → J/ψη′ and B0s → J/ψπ+π− are studied. The decay-width difference between the light and heavy mass...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Carus, Leon (Author) , Caspary, Rowina (Author) , Cocha Toapaxi, Carlos (Author) , De Cian, Michel (Author) , Frau, Giulia (Author) , Glaser, Fabian (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (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: 22 May 2024
In: Journal of high energy physics
Year: 2024, Issue: 5, Pages: 1-20
ISSN:1029-8479
DOI:10.1007/JHEP05(2024)253
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP05(2024)253
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP05(2024)253
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Author Notes:The LHCb collaboration
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Summary:Using a dataset corresponding to 9 fb−1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes B0s → J/ψη′ and B0s → J/ψπ+π− are studied. The decay-width difference between the light and heavy mass eigenstates of the B0s meson is measured to be ∆Γs = 0.087 ± 0.012 ± 0.009 ps−1, where the first uncertainty is statistical and the second systematic
Item Description:LHCb Collaboration: R. Aaij, S. Bachmann, L. Carus, R. Caspary, C.E. Cocha Toapaxi, M. De Cian, G. Frau, F. Glaser, P.A. Günther, X. Han, S. Hansmann-Menzemer, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, S. Roy, M. Ruiz Diaz, G. Tuci, L.H. Ueckert, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und 1077 weitere]
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Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP05(2024)253

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