PARAMETERS for ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ DECAY

$\phi _{+−{{\mathit \gamma}}}$ = phase of $\eta _{+−{{\mathit \gamma}}}$

INSPIRE   PDGID:
S013P+G
VALUE ($^\circ{}$) EVTS DOCUMENT ID TECN
$\bf{ 44 \pm4}$ OUR AVERAGE
$43.8$ $\pm3.5$ $\pm1.9$ 9045
MATTHEWS
1995
E773
$72$ $\pm23$ $\pm17$ 3671
RAMBERG
1993B
 E731
Conservation Laws:
$\mathit CP$ VIOLATION OBSERVED
References:
MATTHEWS 1995
PRL 75 2803 New Measurement of the $\mathit CP$ Violation Parameter $\eta _{+−{{\mathit \gamma}}}$
RAMBERG 1993B
PRL 70 2529 First Measurement of the $\mathit CP$ Violation Parameter $\eta _{+−{{\mathit \gamma}}}$ in Neutral Kaon Decays