$\boldsymbol T$ VIOLATION TESTS IN ${{\boldsymbol K}_L^0}$ DECAYS

Im($\xi $) in ${{\boldsymbol K}_{{\mu3}}^{0}}$ DECAY (from transverse ${{\boldsymbol \mu}}$ pol.) INSPIRE search

Test of $\mathit T$ reversal invariance.
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ -0.007 \pm0.026}$ OUR AVERAGE
$0.009$ $\pm0.030$ 12M
MORSE
1980
CNTR Polarization
$0.35$ $\pm0.30$ 207k 1
CLARK
1977
SPEC POL, $\mathit t$=0
$-0.085$ $\pm0.064$ 2.2M 2
SANDWEISS
1973
CNTR POL, $\mathit t$=0
$-0.02$ $\pm0.08$
LONGO
1969
CNTR POL, $\mathit t=3.3$
$-0.2$ $\pm0.6$
ABRAMS
1968B
OSPK Polarization
• • • We do not use the following data for averages, fits, limits, etc. • • •
$0.012$ $\pm0.026$
SCHMIDT
1979
CNTR Repl. by MORSE 1980
1  CLARK 1977 value has additional $\xi $(0) dependence $+0.21{}$Re$\lbrack{}\xi (0)\rbrack{}$.
2  SANDWEISS 1973 value corrected from value quoted in their paper due to new value of Re($\xi $). See footnote 4 of SCHMIDT 1979 .
  Conservation Laws:
TIME REVERSAL ($\mathit T$) INVARIANCE
  References:
MORSE 1980
PR D21 1750 Search for the Violation of the Time Reversal Invariance in ${{\mathit K}_{{\mu3}}^{0}}$ Decay
SCHMIDT 1979
PRL 43 556 Limits on $\mathit CP$ Invariance Violation in ${{\mathit K}_{{\mu3}}}$ Decays
CLARK 1977
PR D15 553 Determination of the ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$ Formfactor ${{\mathit \xi}}$(q${}^{2}$) by Muon Polarization Measurements
SANDWEISS 1973
PRL 30 1002 Muon Polarization in the Decay ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$ , an Experimental Test of Time Reversal Invariance
LONGO 1969
PR 181 1808 Muon Polarization in ${{\mathit K}_{{\mu3}}^{0}}$ Decay
ABRAMS 1968B
PR 176 1603 Muon Polarization in ${{\mathit K}_{{\mu3}}^{0}}$ Meson Decay