$\mathit CP$ VIOLATION

$\mathit A_{CP}$ is defined as
${B( {{\mathit B}^{-}} \rightarrow {{\overline{\mathit f}}})–B( {{\mathit B}^{+}} \rightarrow {{\mathit f}})\over B( {{\mathit B}^{-}} \rightarrow {{\overline{\mathit f}}})+B( {{\mathit B}^{+}} \rightarrow {{\mathit f}})}$,
the $\mathit CP$-violation charge asymmetry of exclusive ${{\mathit B}^{-}}$ and ${{\mathit B}^{+}}$ decay.

$\mathit A_{CP}$( ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}$)

INSPIRE   PDGID:
S041AX9
VALUE ($ 10^{-2} $) DOCUMENT ID TECN  COMMENT
$\bf{ 1.8 \pm1.2}$ OUR AVERAGE  Error includes scale factor of 1.3.
$1.91$ $\pm0.89$ $\pm0.16$ 1
AAIJ
2017O
 LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
$-4.2$ $\pm4.4$ $\pm0.9$
ABAZOV
2013M
 D0 ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV
$12.3$ $\pm8.5$ $\pm0.4$
AUBERT
2004P
 BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
$-2.3$ $\pm16.4$ $\pm1.5$
ABE
2003B
 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$0.5$ $\pm2.7$ $\pm1.1$ 2
AAIJ
2012AC
 LHCB Repl. by AAIJ 2017O
$-9$ $\pm8$ $\pm3$ 3
ABAZOV
2008O
 D0 Repl. by ABAZOV 2013M
$1$ $\pm22$ $\pm1$
AUBERT
2002F
 BABR Repl. by AUBERT 2004P
1  Obtained by using LHCb measurement of $\mathit A_{CP}$( ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}$) = ($0.09$ $\pm0.27$ $\pm0.07$) $ \times 10^{-2}$ of AAIJ 2017AP.
2  Uses $\mathit A_{CP}$( ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{+}}$) = $0.001$ $\pm0.007$ to extract production asymmetry.
3  Uses ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ decay.
Conservation Laws:
$\mathit CP$ INVARIANCE
References