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Measurement of the direct CP violating charge asymmetry in B-+/- -> mu(+/-)nu D-mu(0) decays

Abazov, VM; Abbott, B; Acharya, BS; Adams, M; Adams, T; Agnew, JP; Alexeev, GD; ... Zivkovic, L; + view all (2017) Measurement of the direct CP violating charge asymmetry in B-+/- -> mu(+/-)nu D-mu(0) decays. Physical Review D , 95 (3) , Article 031101. 10.1103/PhysRevD.95.031101. Green open access

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Abstract

We present the first measurement of the CP violating charge asymmetry in B±→μ±νμD0 decays using the full Run II integrated luminosity of 10.4  fb−1 in proton-antiproton collisions collected with the D0 detector at the Fermilab Tevatron Collider. We measure a difference in the yield of B− and B+mesons in these decays by fitting the reconstructed invariant mass distributions. This results in an asymmetry of AμD0=[−0.14±0.20]%, which is consistent with standard model predictions.

Type: Article
Title: Measurement of the direct CP violating charge asymmetry in B-+/- -> mu(+/-)nu D-mu(0) decays
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevD.95.031101
Publisher version: http://doi.org/10.1103/PhysRevD.95.031101
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery-pp.ucl.ac.uk/id/eprint/1551772
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