$\mathit CP$ VIOLATION PARAMETERS

$\mathit A_{CP}$( ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \rho}^{-}}{{\mathit K}^{+}}$ )

INSPIRE   PDGID:
S042AC6
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 0.20 \pm0.11}$ OUR AVERAGE
$0.20$ $\pm0.09$ $\pm0.08$ 1
LEES
2011
BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
$0.22$ ${}^{+0.22}_{-0.23}$ ${}^{+0.06}_{-0.02}$ 2
CHANG
2004
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$0.11$ ${}^{+0.14}_{-0.15}$ $\pm0.07$ 1
AUBERT
2008AQ
 BABR Repl. by LEES 2011
$-0.28$ $\pm0.17$ $\pm0.08$ 3
AUBERT
2003T
 BABR Repl. by AUBERT 2008AQ
1  Uses Dalitz plot analysis of ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ decays.
2  Corresponds to 90$\%$ confidence range $-0.18$ $<$ $\mathit A_{CP}$ $<$ 0.64.
3  The result reported corresponds to $−\mathit A_{CP}$.
Conservation Laws:
$\mathit CP$ INVARIANCE
References:
LEES 2011
PR D83 112010 Amplitude Analysis of ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ and Evidence of Direct $\mathit CP$ Violation in ${{\mathit B}}$ $\rightarrow$ ${{\mathit K}^{*}}{{\mathit \pi}}$ Decays
AUBERT 2008AQ
PR D78 052005 Dalitz Plot Analysis of the Decay ${{\mathit B}^{0}}$ ${{\overline{\mathit B}}^{0}}$ $\rightarrow$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}{{\mathit \pi}^{0}}$
CHANG 2004
PL B599 148 Observation of the Decays ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ and ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \rho}^{-}}{{\mathit K}^{+}}$
AUBERT 2003T
PRL 91 201802 Measurements of Branching Fractions and $\mathit CP$ Violating Asymmetries in ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \rho}^{\pm}}{{\mathit h}^{\mp}}$ Decays