$\mathit CP$ VIOLATION PARAMETERS

$\mathit S_{ {{\mathit K}^{0}} {{\mathit \pi}^{0}} }$ ( ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\mathit \pi}^{0}}$ )

INSPIRE   PDGID:
S042SKP
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 0.58 \pm0.17}$ OUR AVERAGE
$0.67$ $\pm0.31$ $\pm0.08$
FUJIKAWA
2010A
 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
$0.55$ $\pm0.20$ $\pm0.03$
AUBERT
2009I
 BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$0.40$ $\pm0.23$ $\pm0.03$
AUBERT
2008E
 BABR Repl. by AUBERT 2009I
$0.33$ $\pm0.35$ $\pm0.08$
CHAO
2007
BELL Repl. by FUJIKAWA 2010A
$0.35$ ${}^{+0.30}_{-0.33}$ $\pm0.04$
AUBERT
2005Y
 BABR Repl. by AUBERT 2008E
$0.32$ $\pm0.61$ $\pm0.13$
CHEN
2005B
 BELL Repl. by CHAO 2007
$0.48$ ${}^{+0.38}_{-0.47}$ $\pm0.06$ 1
AUBERT,B
2004M
 BABR Repl. by AUBERT 2005Y
1  Based on a total signal yield of $122$ $\pm16$ events.
Conservation Laws:
$\mathit CP$ VIOLATION OBSERVED
References:
FUJIKAWA 2010A
PR D81 011101 Measurement of $\mathit CP$ Asymmetries in ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\mathit \pi}^{0}}$ Decays
AUBERT 2009I
PR D79 052003 Measurement of Time Dependent $\mathit CP$ Asymmetry Parameters in ${{\mathit B}^{0}}$ Meson Decays to ${{\mathit \omega}}{{\mathit K}_S^0}$ , ${{\mathit \eta}^{\,'}}{{\mathit K}^{0}}$ , and ${{\mathit \pi}^{0}}{{\mathit K}_S^0}$
AUBERT 2008E
PR D77 012003 Measurement of the $\mathit CP$-Violating Asymmetries in ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$ and of the Branching Fraction ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\mathit \pi}^{0}}$
CHAO 2007
PR D76 091103 Measurements of Time-Dependent $\mathit CP$ Violation in ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit K}_S^0}$ , ${{\mathit f}_{{0}}{(980)}}{{\mathit K}_S^0}$ , ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$ and ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}_S^0}$ Decays
AUBERT 2005Y
PR D71 111102 Measurement of the Branching Fraction and the $\mathit CP$-Violating Asymmetry for the Decay ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$
CHEN 2005B
PR D72 012004 Time-Dependent $\mathit CP$-Violating Asymmetries in ${\mathit {\mathit b}}$ $\rightarrow$ ${\mathit {\mathit s}}$ ${\mathit {\overline{\mathit q}}}$ ${\mathit {\mathit q}}$ Transitions
AUBERT,B 2004M
PRL 93 131805 Measurements of $\mathit CP$ Violating Asymmetries in ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$ Decays