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

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

INSPIRE   PDGID:

S013IXI

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 1968 B 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 Also Thesis LBL-4275 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

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