Direct CP violation in charmless three-body decays of B± mesons
Measurements of CP asymmetries in charmless three-body decays of B± mesons are reported using proton-proton collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.9 fb−1. The previously observed CP asymmetry in B±→π±K+K− decays is confirmed, and CP asymmetries...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
13 July 2023
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| In: |
Physical review
Year: 2023, Jahrgang: 108, Heft: 1, Pages: 1-17 |
| ISSN: | 2470-0029 |
| DOI: | 10.1103/PhysRevD.108.012008 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.108.012008 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.108.012008 
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| Verfasserangaben: | R. Aaij et al.* (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Direct CP violation in charmless three-body decays of B± mesons |c R. Aaij et al.* (LHCb Collaboration) |
| 246 | 3 | 3 | |a Direct CP violation in charmless three-body decays of B + - mesons |
| 246 | 3 | 3 | |a Direct CP violation in charmless three-body decays of B plus minus mesons |
| 264 | 1 | |c 13 July 2023 | |
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| 500 | |a LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, L. Witola, A. Zhelezov [und viele weitere] | ||
| 500 | |a Gesehen am 09.02.2024 | ||
| 520 | |a Measurements of CP asymmetries in charmless three-body decays of B± mesons are reported using proton-proton collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.9 fb−1. The previously observed CP asymmetry in B±→π±K+K− decays is confirmed, and CP asymmetries are observed with a significance of more than five standard deviations in the B±→π±π+π− and B±→K±K+K− decays, while the CP asymmetry of B±→K±π+π− decays is confirmed to be compatible with zero. The distributions of these asymmetries are also studied as a function of the three-body phase space and suggest contributions from rescattering and resonance interference processes. An indication of the presence of the decays B±→π±χc0(1P) in both B±→π±π+π− and B±→π±K+K− decays is observed, as is CP violation involving these amplitudes. | ||
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