${{\mathit \mu}}$ DECAY PARAMETERS

$\xi {{}^\prime}{{}^\prime}$ PARAMETER

INSPIRE   PDGID:
S004XPP
VALUE EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ 0.98 \pm0.04}$ OUR AVERAGE
$0.981$ $\pm0.045$ $\pm0.003$ 3.87M
PRIEELS
2014
CNTR + Bhabha + annihil
$0.65$ $\pm0.36$ 326k 1
BURKARD
1985
CNTR + Bhabha + annihil
1  BURKARD 1985 measure ($\xi {{}^\prime}{{}^\prime}-\xi {}\xi {{}^\prime})/\xi $ and $\xi {{}^\prime}$ and set $\xi $ = 1.
References