Observation of the B0→D[bar]*0K+π− and B0s→D[bar]*0K−π+ decays
The first observations of B0→¯D∗(2007)0K+π− and B0s→¯D∗(2007)0K−π+ decays are presented, and their branching fractions relative to that of the B0→¯D∗(2007)0π+π− decay are reported. These modes can potentially be used to investigate the spectroscopy of charm and charm-strange resonances and to determ...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
20 April 2022
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| In: |
Physical review
Year: 2022, Volume: 105, Issue: 7, Pages: 1-22 |
| ISSN: | 2470-0029 |
| DOI: | 10.1103/PhysRevD.105.072005 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.105.072005 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.105.072005 
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| Author Notes: | R. Aaij et al. (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Observation of the B0→D[bar]*0K+π− and B0s→D[bar]*0K−π+ decays |c R. Aaij et al. (LHCb Collaboration) |
| 246 | 3 | 3 | |a Observation of the B 0 → D [bar] * 0 K + pi − and B 0 s → D [bar] * 0 K − pi + decays |
| 264 | 1 | |c 20 April 2022 | |
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| 500 | |a LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kepcna, B. Leverington, P. Li, H. Malygina, J. Marks, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, A. Zhelezov [und 979 weitere Personen] | ||
| 500 | |a Gesehen am 21.07.2022 | ||
| 500 | |a Im Titel steht der Buchstabe "D" mit einem Oberstrich | ||
| 500 | |a Im Titel sind die Zahl 0 und die Zeichen *, + und - hochgestellt | ||
| 500 | |a Im Titel ist der Buchstabe "s" tiefgestellt | ||
| 520 | |a The first observations of B0→¯D∗(2007)0K+π− and B0s→¯D∗(2007)0K−π+ decays are presented, and their branching fractions relative to that of the B0→¯D∗(2007)0π+π− decay are reported. These modes can potentially be used to investigate the spectroscopy of charm and charm-strange resonances and to determine the angle γ of the Cabibbo-Kobayashi-Maskawa unitarity triangle. It is also important to understand them as a source of potential background in determinations of γ from B+→DK+ and B0→DK+π− decays. The analysis is based on a sample corresponding to an integrated luminosity of 5.4 fb−1 of proton-proton collision data at 13 TeV center-of-mass energy recorded with the LHCb detector. The ¯D∗(2007)0 mesons are fully reconstructed in the ¯D0π0 and ¯D0γ channels with the ¯D0→K+π− decay. A novel weighting method is used to subtract background while simultaneously applying an event-by-event efficiency correction to account for resonant structures in the decays. | ||
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