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2008-10-24

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/139430

Measurement of the CP Asymmetry in b→sγ Using a Sum of Exclusive Final States

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https://doi.org/10.1103/PhysRevLett.101.171804

Abstract

We perform a measurement of the C P asymmetry in b → s γ decays using a sample of 383 × 10 6 B ¯¯¯ B events collected by the BABAR detector at the SLAC PEP-II asymmetric B factory. We reconstruct 16 flavor-specific B decay modes containing a high-energy photon and a hadronic system X s containing an s quark. We measure the C P asymmetry to be − 0.011 ± 0.030 ( stat ) ± 0.014 ( syst ) for a hadronic system mass between 0.6 and 2.8     GeV / c 2 .

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Física de partícules, Experiments

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Particle physics, Experiments

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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GARRA TICÓ, Jordi, GRAUGÉS POUS, Eugeni and BABAR Collaboration. Measurement of the CP Asymmetry in b→sγ Using a Sum of Exclusive Final States. Physical Review Letters. 2008. Vol. 101, num. 17, pags. 171804. ISSN 0031-9007. [consulted: 9 of June of 2026]. Available at: https://hdl.handle.net/2445/139430

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