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

$\mathit a/\mathit A$

INSPIRE  
This comes from an alternative parameterization to that used in the Summary Table (see the ``Note on Muon Decay Parameters'' above).
VALUE ($ 10^{-3} $) CL% DOCUMENT ID TECN
• • We do not use the following data for averages, fits, limits, etc. • •
$<15.9$ 90 1
BURKARD
1985B
 FIT
1  Global fit to all measured parameters. Correlation coefficients are given in BURKARD 1985B.
References:
BURKARD 1985B
PL 160B 343 Muon Decay: Measurement of the Transverse Positron Polarization and General Analysis
Also
PR D24 2004 Measurement of the Positron Longitudinal Polarization in Muon Decay
Also
PL 129B 260 Does the Positron from Muon Decay have Transverse Polarization?