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Measurement of CP-violating and mixing-induced observables in B0s→[phi] γ decays

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A time-dependent analysis of the B-s(0) -> phi gamma decay rate is performed to determine the CP -violating observables S-phi gamma and C-phi gamma and the mixing-induced observable A(phi gamma)(Delta). The measurement is based on a sample of pp collision data recorded with the LHCb detector, cor...

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Detalles Bibliográficos
Autores principales: Aaij, Roel (Autor) , Bachmann, Sebastian (Autor) , Berninghoff, Daniel (Autor) , Borsato, Martino (Autor) , Braun, Svende (Autor) , D'Argent, Philippe (Autor) , Dziewiecki, Michal (Autor) , Gerick, David (Autor) , Grabowski, Jascha (Autor) , Han, Xiaoxue (Autor) , Hansmann-Menzemer, Stephanie (Autor) , Hu, Jiangqiao (Autor) , Kopecná, Renata (Autor) , Leverington, Blake (Autor) , Malygina, Hanna (Autor) , Marks, Jörg (Autor) , Neubert, Sebastian (Autor) , Piucci, Alessio (Autor) , Skidmore, Nicola (Autor) , Tilburg, Jeroen van (Autor) , Uwer, Ulrich (Autor) , Zhelezov, Alexey (Autor) , Heß, Miriam (Autor) , Meinert, Nis (Autor) , Viemann, Harald (Autor) , Waldi, Roland (Autor)
Autor Corporativo: LHCb Collaboration (Autor)
Formato: Article (Journal)
Lenguaje:inglés
Publicado: 23 August 2019
In: Physical review letters
Year: 2019, Volumen: 123, Número: 8, Pages: 081802
ISSN:1079-7114
DOI:10.1103/PhysRevLett.123.081802
Acceso en línea:Verlag, Volltext: https://doi.org/10.1103/PhysRevLett.123.081802
Verlag: https://link.aps.org/doi/10.1103/PhysRevLett.123.081802
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Notas de Autor:R. Aaij et al. (LHCb Collaboration)
Descripción
Sumario:A time-dependent analysis of the B-s(0) -> phi gamma decay rate is performed to determine the CP -violating observables S-phi gamma and C-phi gamma and the mixing-induced observable A(phi gamma)(Delta). The measurement is based on a sample of pp collision data recorded with the LHCb detector, corresponding to an integrated luminosity of 3 fb(-1) at center-of-mass energies of 7 and 8 TeV. The measured values are S-phi gamma = 0.43 +/- 0.30 +/- 0.11, C-phi gamma = 0.11 +/- 0.29 +/- 0.11, and A(phi gamma)(Delta) = -0.67(-0.41)(+0.37) +/- 0.17, where the first uncertainty is statistical and the second systematic. This is the first measurement of the observables S and C in radiative B-s(0) decays. The results are consistent with the standard model predictions.
Notas:R. Aaij, S. Bachmann, D. Berninghoff, M. Borsato, S. Braun, P. d’Argent, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, H. Malygina, J. Marks, S. Neubert, A. Piucci, N. Skidmore, U. Uwer, J. van Tilburg, A. Zhelezov [und weitere] (LHCb Collaboration)
Gesehen am 18.12.2019
im Text werden phi und gamma als griechische Zeichen dargestellt
Descripción Física:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.123.081802

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