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.

$A_{A D S}$ ( $B^{+}$ $\to$ $D K^{+}$ )

INSPIRE PDGID:

S041AA1

A_{A D S}

(

B^{+}

\to

D K^{+}

) =

\frac{(R_{K}^{-} - R_{K}^{+})}{(R_{K}^{-} + R_{K}^{+})}

where

R_{K}^{-}

Γ

(

B^{-}

\to

[

K^{+} π^{-}

]

_{D}

K^{-}

)

/

Γ

(

B^{-}

\to

[

K^{-} π^{+}

]

_{D}

K^{-}

) and

R_{K}^{+}

Γ

(

B^{+}

\to

[

K^{-} π^{+}

]

_{D}

K^{+}

)

/

Γ

(

B^{+}

\to

[

K^{+} π^{-}

]

_{D}

K^{+}

)

VALUE

DOCUMENT ID

TECN

COMMENT

- 0.451

\pm 0.026

AAIJ

2021

LHCB

p p

at 7, 8, 13 TeV

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

- 0.403

\pm 0.056

\pm 0.011

AAIJ

2016

LHCB

p p

at 7, 8 TeV

- 0.52

\pm 0.15

\pm 0.02

AAIJ

2012

LHCB

Repl. by AAIJ 2016L

¹	The statistical and systematic uncertainties have been combined according to the correlations between the R $_{K}^{-}$ and R $_{K}^{+}$ observables.

²	Superseded by AAIJ 2021Q.

Conservation Laws:

C P

VIOLATION OBSERVED

C P

INVARIANCE

References

AAIJ

2021Q

JHEP 2104 081

Measurement of CP observables in

B^{\pm} \to D^{(*)} K^{\pm}

and

B^{\pm} \to D^{(*)} π^{\pm}

decays using two-body

D

final states

AAIJ

2016L

PL B760 117

Measurement of

C P

Observables in

B^{\pm}

\to

D K^{\pm}

and

B^{\pm}

\to

D π^{\pm}

with Two- and Four-Body

D

Decays

AAIJ

2012M

PL B712 203

Observation of

C P

Violation in

B^{\pm}

\to

D K^{\pm}

Decays

Also

PL B713 351 (errat.)

Erratum to AAIJ 2012M: “Observation of

C P

Violation in

B^{\pm}

\to

D K^{\pm}

Decays” [Phys. Lett. B 712 (3) (2012) 203]

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.

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