$\mathit T$ VIOLATION TESTS IN ${{\mathit K}^{+}}$ AND ${{\mathit K}^{-}}$ DECAYS

Im($\xi $) in ${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$ DECAY (from transverse ${{\mathit \mu}}$ pol.)

INSPIRE  
Test of $\mathit T$ reversal invariance.
VALUE EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ -0.006 \pm0.008}$ OUR AVERAGE
$-0.0053$ $\pm0.0071$ $\pm0.0036$ 1
ABE
2004F
K246 +
$-0.016$ $\pm0.025$ 20M
CAMPBELL
1981
CNTR + Pol.
• • We do not use the following data for averages, fits, limits, etc. • •
$-0.013$ $\pm0.016$ $\pm0.003$ 3.9M
ABE
1999S
CNTR + $p_T$ ${{\mathit K}^{+}}$ at rest
1  Includes three sets of data: 96-97 (ABE 1999S), 98, and 99-00 totaling about three times the ABE 1999S data sample. Corresponds to Im($\xi $) $<$ 0.016 at 90$\%$ CL.
Conservation Laws:
TIME REVERSAL ($\mathit T$) INVARIANCE
References:
ABE 2004F
PRL 93 131601 A New Limit of $\mathit T$-Violating Transverse Muon Polarization in the ${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \mu}^{+}}{{\mathit \nu}}$ Decay
Also
PR D73 072005 Search for $\mathit T$-Violating Transverse Muon Polarization in the ${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \mu}^{+}}{{\mathit \nu}}$ Decay
ABE 1999S
PRL 83 4253 Search for $\mathit T$-Violating Transverse Muon Polarization in ${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \mu}^{+}}{{\mathit \nu}}$ Decay using Stopped Kaons
CAMPBELL 1981
PRL 47 1032 Limits on $\mathit CP$ Invariance Violation in ${{\mathit K}}{}^{+}_{{{\mathit \mu}} 3}$ Decays
Also
PR D27 1056 Search for $\mathit T$ Invariance Violation in ${{\mathit K}_{{\mu3}}^{+}}$ Decay