$\mathit CP$ VIOLATION PARAMETERS

$\mathit C_{ {{\mathit K}_S^0} {{\mathit K}_S^0} }$ ( ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ )

INSPIRE   PDGID:
S042CKS
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 0.0 \pm0.4}$ OUR AVERAGE  Error includes scale factor of 1.4.
$0.38$ $\pm0.38$ $\pm0.05$ 1
NAKAHAMA
2008
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
$-0.40$ $\pm0.41$ $\pm0.06$
AUBERT,BE
2006C
BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
1  Reports $\mathit A_{ {{\mathit K}_S^0} {{\mathit K}_S^0} }$ which equals to $–\mathit C_{ {{\mathit K}_S^0} {{\mathit K}_S^0} }$.
Conservation Laws:
$\mathit CP$ INVARIANCE
References:
NAKAHAMA 2008
PRL 100 121601 Measurement of Time-Dependent $\mathit CP$-Violating Parameters in ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ Decays
AUBERT,BE 2006C
PRL 97 171805 Observation of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit K}^{+}}$ and ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\overline{\mathit K}}^{0}}$