Mixing and CP Violation in the Bd and Bs Systems at ATLAS

Barton, Adam Edward (2016) Mixing and CP Violation in the Bd and Bs Systems at ATLAS. Journal of Physics: Conference Series, 770 (1). ISSN 1742-6588

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Abstract

This note includes a measurement of the Bos decay parameters in the Bs→J/ψØ channel and a measurement of the B0 meson proper decay time and decay width using the statistics collected by the ATLAS experiment in Run I of the LHC. The first result presents the measurement of the CP -violating phase Øs, the decay width Γs and the width difference between the mass eigenstates ΔΓs. The second result presents the measurement of the width difference ΔΓd, which is extracted from the measurement of the lifetime dependence of B0→J/ψKs and B0→J/ψK*° decays. The obtained results are Øs = 0.098 ± 0.084(stat.) ± 0.040(syst.) rad. and ΔΓd/Γd = (-0.1 ± 1.1(stat.) ± 0.9(syst.)) × 10-2.

Item Type: Journal Article
Journal or Publication Title: Journal of Physics: Conference Series
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 84597
Deposited By: ep_importer_pure
Deposited On: 07 Feb 2017 09:54
Refereed?: Yes
Published?: Published
Last Modified: 30 Sep 2019 20:03
URI: https://eprints.lancs.ac.uk/id/eprint/84597

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