Observation of B0s–B[bar]0s mixing and measurement of mixing frequencies using semileptonic B decays
The $B^{0}_{s}$and B0 mixing frequencies, Δmsand Δmd, are measured using a data sample corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment in pp collisions at a centre of mass energy of 7 TeV during 2011. Around 1.8×106 candidate events are selected of the type $B^...
Gespeichert in:
| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
4 December 2013
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| In: |
The European physical journal. C, Particles and fields
Year: 2013, Jahrgang: 73, Pages: 1-13 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-013-2655-8 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-013-2655-8
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| Verfasserangaben: | The LHCb Collaboration |
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| 245 | 1 | 0 | |a Observation of B0s–B[bar]0s mixing and measurement of mixing frequencies using semileptonic B decays |c The LHCb Collaboration |
| 246 | 3 | 0 | |a B̄ |
| 246 | 3 | 3 | |a Observation of B zero s–B bar zero s mixing and measurement of mixing frequencies using semileptonic B decays |
| 246 | 3 | 3 | |a Observation of B zero s–B̄ zero s mixing and measurement of mixing frequencies using semileptonic B decays |
| 264 | 1 | |c 4 December 2013 | |
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| 500 | |a Im Titel steht der zweite Buchstabe B mit einem Oberstrich | ||
| 500 | |a Im Titel ist "0" hoch- und "s" tiefgestellt | ||
| 500 | |a LHCb Collaboration: R. Aaij, O. Aquines Gutierrez, S. Bachmann, A. Bien, J. Blouw, M. Britsch, M. De Cian, A. Di Canto, F. Dordei, C. Färber, M. Fontana, E. Gersabeck, O. Grünberg, S. Hansmann-Menzemer, T. Hartmann, M. Heß, A. Jaeger, K. Kreplin, G. Krocker, B. Leverington, C. Linn, J. Marks, M. Meissner, T. Nikodem, D. Popov, M. Schmelling, P. Seyfert, S. Stahl, J. van Tilburg, U. Uwer, D. Volyanskyy, C. Voß, H. Voss, R. Waldi, S. Wandernoth, D. Wiedner, M. Zavertyaev, A. Zhelezov und weitere 621 | ||
| 500 | |a Gesehen am 22.04.2021 | ||
| 520 | |a The $B^{0}_{s}$and B0 mixing frequencies, Δmsand Δmd, are measured using a data sample corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment in pp collisions at a centre of mass energy of 7 TeV during 2011. Around 1.8×106 candidate events are selected of the type $B^{0}_{(s)} \to D^{-}_{(s)} \mu^{+}$(+ anything), where about half are from peaking and combinatorial backgrounds. To determine the B decay times, a correction is required for the momentum carried by missing particles, which is performed using a simulation-based statistical method. Associated production of muons or mesons allows us to tag the initial-state flavour and so to resolve oscillations due to mixing. We obtain $$\begin{aligned} &\Delta m_s = \bigl( 17.93 \pm0.22\textrm{(stat)} \pm0.15 \textrm{(syst)}\bigr)~\textrm{ps}^{-1}, \\ &\Delta m_d = \bigl( 0.503 \pm0.011\textrm{(stat)} \pm0.013 \textrm{(syst)}\bigr)~\textrm{ps}^{-1}. \end{aligned}$$ | ||
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| 773 | 1 | 8 | |g volume:73 |g year:2013 |g elocationid:2655 |g pages:1-13 |g extent:13 |a Observation of B0s–B[bar]0s mixing and measurement of mixing frequencies using semileptonic B decays |
| 776 | 0 | 8 | |i Erscheint auch als |n Druck-Ausgabe |t Observation of Bs 0-B̄s 0 mixing and measurement of mixing frequencies using semileptonic B decays |d 2013 |w (DE-627)777648202 |
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