pdgLive

$C P$ VIOLATION

A_{C P}

is defined as

\frac{B (B^{-} \to \overset{―}{f}) - B (B^{+} \to f)}{B (B^{-} \to \overset{―}{f}) + B (B^{+} \to f)}

,
the

C P

-violation charge asymmetry of exclusive

B^{-}

and

B^{+}

decay.

$A_{C P}$ ( $B^{+}$ $\to$ $K^{+} μ^{+} μ^{-}$ )

VALUE

DOCUMENT ID

TECN

COMMENT

0.011 \pm 0.017

OUR AVERAGE

0.012

\pm 0.017

\pm 0.001

LHCB

p p

at 7, 8 TeV

- 0.05

\pm 0.13

\pm 0.03

BELL

e^{+}

e^{-}

\to

Υ (4 S)

• • We do not use the following data for averages, fits, limits, etc. • •

0.000

\pm 0.033

\pm 0.009

LHCB

Repl. by AAIJ 2014AN

Conservation Laws:

C P

JHEP 1409 177

Measurement of

C P

Asymmetries in the Decays

B^{0}

\to

K^{* 0} μ^{+} μ^{-}

and

B^{+}

\to

K^{+} μ^{+} μ^{-}

PRL 111 151801

Measurement of the

C P

Asymmetry in

B^{+}

\to

K^{+} μ^{+} μ^{-}

Decays

PRL 103 171801

Measurement of the Differential Branching Fraction and Forward-Backward Asymmetry for

B

\to

K^{(*)} ℓ^{+} ℓ^{-}

EPAPS Supplement

Measurement of the Differential Branching Fraction and Forward-Backward Asymmetry for

B

\to

K^{(*)} ℓ^{+} ℓ^{-}

Except where otherwise noted, content of the 2024 Review of Particle Physics is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy) and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2024. See LBNL disclaimers.