Effective lifetime measurements in the B0s → K+K-, B0 → K+π- and B0s → π+K- decays
Measurements of the effective lifetimes in the Bs0→K+K−, B0→K+π− and Bs0→π+K− decays are presented using 1.0 fb−1 of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. The measured...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
1 August 2014
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| In: |
Physics letters
Year: 2014, Jahrgang: 736, Pages: 446-454 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2014.07.051 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2014.07.051 Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S037026931400553X |
| Verfasserangaben: | LHCb Collaboration |
MARC
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| 245 | 1 | 0 | |a Effective lifetime measurements in the B0s → K+K-, B0 → K+π- and B0s → π+K- decays |c LHCb Collaboration |
| 246 | 3 | 3 | |a Effective lifetime measurements in the B 0 s → K + K -, B0 → K + π - and B 0 s → π + K - decays |
| 246 | 3 | 3 | |a Effective lifetime measurements in the B0s → K+K-, B0 → K+pi- and B0s → pi+K- decays |
| 264 | 1 | |c 1 August 2014 | |
| 300 | |b Diagramme | ||
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| 500 | |a Gesehen am 03.09.2020 | ||
| 520 | |a Measurements of the effective lifetimes in the Bs0→K+K−, B0→K+π− and Bs0→π+K− decays are presented using 1.0 fb−1 of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. The measured effective lifetimes areτBs0→K+K−=1.407±0.016(stat)±0.007(syst) ps,τB0→K+π−=1.524±0.011(stat)±0.004(syst) ps,τBs0→π+K−=1.60±0.06(stat)±0.01(syst) ps. This is the most precise determination to date of the effective lifetime in the Bs0→K+K− decay and provides constraints on contributions from physics beyond the Standard Model to the Bs0 mixing phase and the width difference ΔΓs. | ||
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