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Measurement of the direct CP violating charge asymmetry in B±→μ±νμD0 decays
D0 Collaboration
D0 Collaboration
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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.
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2017-02-08
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American Physical Society
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Abazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., ... & Atkins, S. (2017). Measurement of the direct C P violating charge asymmetry in B±→ μ±ν μ D 0 decays. Physical Review D, 95(3), 031101.