Observation of B+c→D0K+ decays
Using proton-proton collision data corresponding to an integrated luminosity of 3.0 fb−1, recorded by the LHCb detector at center-of-mass energies of 7 and 8 TeV, the B+c→D0K+ decay is observed with a statistical significance of 5.1 standard deviations. By normalizing to B+→¯D0π+ decays, a measureme...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
15 March 2017
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| In: |
Physical review letters
Year: 2017, Jahrgang: 118, Heft: 11 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.118.111803 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.118.111803 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.118.111803 |
| Verfasserangaben: | R. Aaij et al.* (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Observation of B+c→D0K+ decays |c R. Aaij et al.* (LHCb Collaboration) |
| 246 | 3 | 3 | |a Observation of B + c into D 0 K plus decays |
| 264 | 1 | |c 15 March 2017 | |
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| 500 | |a Gesehen am 26.10.2020 | ||
| 500 | |a R. Aaij, P. d’Argent, S. Bachmann, S. Braun, M. Britsch, A. Comerma-Montells, M. De Cian, S. Esen, D.Gerick, E. Gersabeck, X.Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, K. Kreplin, B. Leverington, J. Marks, M. Meissner, D.S. Mitzel, S. Neubert, M. Neuner, T. Nikodem, A. Piucci, P. Seyfert, M. Schiller, M. Stahl, S. Stemmle, U. Uwer, M. Vesterinen, A. Zhelezov [und weitere] | ||
| 500 | |a Im Titel sind die Pluszeichen und die Ziffer "0" hochgestellt | ||
| 500 | |a Im Titel sind "+" und "c" übereinander geschrieben, wobei "+" oben und "c" unten steht | ||
| 520 | |a Using proton-proton collision data corresponding to an integrated luminosity of 3.0 fb−1, recorded by the LHCb detector at center-of-mass energies of 7 and 8 TeV, the B+c→D0K+ decay is observed with a statistical significance of 5.1 standard deviations. By normalizing to B+→¯D0π+ decays, a measurement of the branching fraction multiplied by the production rates for B+c relative to B+ mesons in the LHCb acceptance is obtained, RD0K=(fc/fu)×B(B+c→D0K+)=(9.3+2.8−2.5±0.6)×10−7, where the first uncertainty is statistical and the second is systematic. This decay is expected to proceed predominantly through weak annihilation and penguin amplitudes, and is the first B+c decay of this nature to be observed. | ||
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