Measurement of CP asymmetries in two-body B0(s)-meson decays to charged pions and kaons
The time-dependent CP asymmetries in B0→π+π− and B0s→K+K− decays are measured using a data sample of p p collisions corresponding to an integrated luminosity of 3.0 fb−1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The same data sample is used to measure the time-inte...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 August 2018
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| In: |
Physical review
Year: 2018, Jahrgang: 98, Heft: 3 |
| ISSN: | 2470-0029 |
| DOI: | 10.1103/PhysRevD.98.032004 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1103/PhysRevD.98.032004 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.98.032004 
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| Verfasserangaben: | R. Aaij et al.* (LHCb collaboration) |
MARC
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| 245 | 1 | 0 | |a Measurement of CP asymmetries in two-body B0(s)-meson decays to charged pions and kaons |c R. Aaij et al.* (LHCb collaboration) |
| 246 | 3 | 3 | |a Measurement of CP asymmetries in two-body B 0 (s)-meson decays to charged pions and kaonsB0(s) |
| 264 | 1 | |c 10 August 2018 | |
| 300 | |a 23 | ||
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| 500 | |a Im Titel sind "0" und "(s)" untereinander geschrieben: "0" hochgestellt, "(s)" tiefgestellt | ||
| 500 | |a 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] (LHCb collaboration) | ||
| 500 | |a Gesehen am 30.04.2019 | ||
| 520 | |a The time-dependent CP asymmetries in B0→π+π− and B0s→K+K− decays are measured using a data sample of p p collisions corresponding to an integrated luminosity of 3.0 fb−1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The same data sample is used to measure the time-integrated CP asymmetries in B0→K+π− and B0s→π+K− decays. The results are Cπ+π−=−0.34±0.06±0.01, Sπ+π−=−0.63±0.05±0.01, CK+K−=0.20±0.06±0.02, SK+K−=0.18±0.06±0.02, AΔΓK+K−=−0.79±0.07±0.10, AB0CP=−0.084±0.004±0.003, and AB0sCP=0.213±0.015±0.007, where the first uncertainties are statistical and the second systematic. Evidence for CP violation is found in the B0s→K+K− decay for the first time. | ||
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