$\mathit CP$ VIOLATION PARAMETERS

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

INSPIRE   JSON  (beta) PDGID:
S042SKP
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 0.64 \pm0.13}$ OUR AVERAGE
$0.75$ ${}^{+0.20}_{-0.23}$ $\pm0.04$
ADACHI
2023E
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
$0.67$ $\pm0.31$ $\pm0.08$
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