Evidence for the decay B0S→K[bar][star]0 [mu]+[mu]−
A search for the decay B0S→K¯¯¯¯¯∗0μ+μ−BS0→K¯∗0μ+μ− {B}_S^0\to {\overline{K}}^{\ast 0}{\mu}^{+}{\mu}^{-} is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb−1 of integrated luminosity collected during pp collisions with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV,...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
July 3, 2018
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| In: |
Journal of high energy physics
Year: 2018, Heft: 7 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP07(2018)020 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1007/JHEP07(2018)020 Verlag, Volltext: https://link.springer.com/content/pdf/10.1007%2FJHEP07%282018%29020.pdf |
| Verfasserangaben: | the LHCb Collaboration |
MARC
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| 110 | 2 | |a LHCb Collaboration |e VerfasserIn |0 (DE-588)1166245764 |0 (DE-627)1030265593 |0 (DE-576)510686508 |4 aut | |
| 245 | 1 | 0 | |a Evidence for the decay B0S→K[bar][star]0 [mu]+[mu]− |c the LHCb Collaboration |
| 246 | 3 | 0 | |a *, μ |
| 246 | 3 | 3 | |a Evidence for the decay B zero S into K bar star zero mu plus mu minus |
| 264 | 1 | |c July 3, 2018 | |
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| 500 | |a Im Titel sind star und mu als griechische Buchstaben dargestellt | ||
| 500 | |a Im Titel sind star und null hochgestellt, „S“ tiefgestellt | ||
| 500 | |a The LHCb Collaboration: R. Aaij, P. d'Argent, S. Bachmann, D. Berninghoff, S. Braun, A. Comerma-Montells, M. De Cian, F. Dordei, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, A. Piucci, M. Stahl, S. Stemmle, J. van Tilburg, U. Uwer, A. Zhelezov [und weitere] | ||
| 500 | |a Gesehen am 15.08.2019 | ||
| 520 | |a A search for the decay B0S→K¯¯¯¯¯∗0μ+μ−BS0→K¯∗0μ+μ− {B}_S^0\to {\overline{K}}^{\ast 0}{\mu}^{+}{\mu}^{-} is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb−1 of integrated luminosity collected during pp collisions with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, respectively. An excess is found over the background-only hypothesis with a significance of 3.4 standard deviations. The branching fraction of the B0S→K¯¯¯¯¯∗0μ+μ−BS0→K¯∗0μ+μ− {B}_S^0\to {\overline{K}}^{\ast 0}{\mu}^{+}{\mu}^{-} decay is determined to be B(B0s→K¯¯¯¯¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8B(Bs0→K¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8 \mathrm{\mathcal{B}}\left({B}_s^0\to {\overline{K}}^{\ast 0}{\mu}^{+}{\mu}^{-}\right)=\left[2.9\pm 1.0\left(\mathrm{stat}\right)\pm 0.2\left(\mathrm{syst}\right)\pm 0.3\left(\mathrm{norm}\right)\right]\times {10}^{-8} , where the first and second uncertainties are statistical and systematic, respectively. The third uncertainty is due to limited knowledge of external parameters used to normalise the branching fraction measurement. Open image in new window | ||
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| SRT | |a LHCBCOLLABEVIDENCEFO3201 | ||