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Observation of the B0s  → J/[psi]K0SK+-π-+ decay

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Decays of the form B(s)0 → J/ψKS0h+h(′) −(h(′) = K, π) are searched for in proton-proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded with the LHCb detector. The first observation of the Bs0 → J/ψKS0K±π∓ decay is reported, with significance in excess of 10 standard d...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Bien, Alexander (Author) , Comerma-Montells, Albert (Author) , De Cian, Michel (Author) , Dordei, Francesca (Author) , Esen, Sevda (Author) , Färber, Christian (Author) , Gersabeck, Evelina (Author) , Grillo, Lucia (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Jäger, Andreas (Author) , Kolpin, Michael (Author) , Kreplin, Katharina (Author) , Krocker, Georg Alexander (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Meißner, Marco (Author) , Neuner, Max (Author) , Nikodem, Thomas (Author) , Seyfert, Paul (Author) , Stahl, Sascha (Author) , Uwer, Ulrich (Author) , Vesterinen, Mika (Author) , Wandernoth, Sebastian (Author) , Wiedner, Dirk (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 28 July 2014
In: Journal of high energy physics
Year: 2014, Issue: 7
ISSN:1029-8479
DOI:10.1007/JHEP07(2014)140
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP07(2014)140
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Author Notes:The LHCb collaboration*
Description
Summary:Decays of the form B(s)0 → J/ψKS0h+h(′) −(h(′) = K, π) are searched for in proton-proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded with the LHCb detector. The first observation of the Bs0 → J/ψKS0K±π∓ decay is reported, with significance in excess of 10 standard deviations. The B0 → J/ψKS0K+K− decay is also observed for the first time. The branching fraction of B0 → J/ψKS0π+π− is determined, to significantly better precision than previous measurements, using B0 → J/ψKS0as a normalisation channel. Branching fractions and upper limits of the other B(s)0 → J/ψKS0h+h(′) − modes are determined relative to that of the B0 → J/ψKS0π+π− decay.
Item Description:*The LHCb collaboration: R. Aaij, S. Bachmann, A. Bien, A. Comerma-Montells, M. De Cian, F. Dordei, S. Esen, C. Färber, E. Gersabeck, L. Grillo, X. Han, S. Hansmann-Menzemer, A. Jaeger, M. Kolpin, K. Kreplin, G. Krocker, B. Leverington, J. Marks, M. Meissner, M. Neuner, T. Nikodem, P. Seyfert, S. Stahl, U. Uwer, M. Vesterinen, S. Wandernoth, D. Wiedner, A. Zhelelov [und sehr viele weitere Personen]
Im Titel sind die Zahl 0 und die Zeichen + und - hochgestellt
Im Titel ist der Buchstabe s tiefgestellt
Im Titel ist "psi" als griechischer Buchstabe dargestellt
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Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP07(2014)140

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