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A precise measurement of the B0 meson oscillation frequency


LHCb Collaboration; Bernet, R; Müller, K; Steinkampf, O; Straumann, U; Vollhardt, A; et al (2016). A precise measurement of the B0 meson oscillation frequency. European Physical Journal C - Particles and Fields:76: 412.

Abstract

The oscillation frequency, Δmd, of B0 mesons is measured using semileptonic decays with a D− or D∗− meson in the final state, in a data sample of pp collisions collected by the LHCb detector corresponding to an integrated luminosity of 3.0fb−1. A combination of the two decay modes gives Δmd=(505.0±2.1±1.0)ns−1, where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is compatible with the current world average and has similar precision.

Abstract

The oscillation frequency, Δmd, of B0 mesons is measured using semileptonic decays with a D− or D∗− meson in the final state, in a data sample of pp collisions collected by the LHCb detector corresponding to an integrated luminosity of 3.0fb−1. A combination of the two decay modes gives Δmd=(505.0±2.1±1.0)ns−1, where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is compatible with the current world average and has similar precision.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2016
Deposited On:27 Dec 2016 13:37
Last Modified:29 Sep 2017 07:54
Publisher:Springer
ISSN:1434-6044
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-016-4250-2

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Preview
Filetype: PDF
Size: 1MB
Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)