$\mathit CP$ VIOLATION PARAMETERS

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

INSPIRE   PDGID:
S042SEG
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ -0.5 \pm0.5}$ OUR AVERAGE  Error includes scale factor of 1.2.
$-1.32$ $\pm0.77$ $\pm0.36$ 1
NAKANO
2018
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
$-0.18$ ${}^{+0.49}_{-0.46}$ $\pm0.12$ 2
AUBERT
2009
BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(4S)}}$
1  Assuming ${\mathit m}_{{{\mathit \eta}} {{\mathit K}_S^0} }$ $<$ 2.1 GeV.
2  Assuming ${\mathit m}_{{{\mathit \eta}} {{\mathit K}}}$ $<$ 3.25 GeV.
Conservation Laws:
$\mathit CP$ INVARIANCE
References