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Measurement of the direct CP violating charge asymmetry in B±→μ±νμD0 Decays

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  • D0 Collaboration
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Article number031101
<mark>Journal publication date</mark>8/02/2017
<mark>Journal</mark>Physical Review D
Issue number3
Volume95
Number of pages8
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

We present the first measurement of the
C
P
violating charge asymmetry in
B
±

μ
±
ν
μ
D
0
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
A
μ
D
0
=
[

0.14
±
0.20
]
%
, which is consistent with standard model predictions.

Bibliographic note

© 2017 American Physical Society