$\boldsymbol CP$-VIOLATION PARAMETERS

Re($\epsilon $) INSPIRE search

VALUE ($ 10^{-3} $) DOCUMENT ID TECN
$1.596$ $\pm0.013$ 1
AMBROSINO
2006H
KLOE
• • • We do not use the following data for averages, fits, limits, etc. • • •
$1.664$ $\pm0.010$ 2
LAI
2005A
NA48
1  AMBROSINO 2006H uses Bell-Steinberger relations with the following measurements: B( ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ) in AMBROSINO 2006F, B( ${{\mathit K}_S^0}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ) in AMBROSINO 2005B, the ${{\mathit K}_S^0}$ -semileptonic charge asymmetry in AMBROSINO 2006E, and ${{\mathit K}^{0}}$-semileptonic results in ANGELOPOULOS 1998F.
2  LAI 2005A values are obtained through unitarity (Bell-Steinberger relations), improving determination of $\eta _{000}$ and combining other data from PDG 2004 and APOSTOLAKIS 1999B.
  Conservation Laws:
$\mathit CP$ VIOLATION OBSERVED
  References:
AMBROSINO 2006H
JHEP 0612 011 Determination of $\mathit CP$ and $\mathit CPT$ Violation Parameters in the Neutral Kaon System using the Bell-Steinberger Relation and Data from the KLOE Experiment
LAI 2005A
PL B610 165 Search for $\mathit CP$ Violation in ${{\mathit K}^{0}}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$ Decays