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$\mathit CP$ VIOLATION TESTS IN ${{\mathit K}^{\pm}}$ DECAYS

$\Delta $ = ($\Gamma\mathrm {({{\mathit K}^{+}})}$ $−$ $\Gamma\mathrm {({{\mathit K}^{-}})}$) $/$ ($\Gamma\mathrm {({{\mathit K}^{+}})}$ + $\Gamma\mathrm {({{\mathit K}^{-}})}$)

$\Delta $( ${{\mathit K}^{\pm}}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ) RATE DIFFERENCE/SUM

INSPIRE   PDGID:

S010D3

VALUE (%) EVTS DOCUMENT ID TECN CHG $\bf{ (-20 \pm280) \times 10^{-3} }$ OUR AVERAGE $0.04$ $\pm0.29$ SMITH 1973 ASPK $\pm{}$ $-0.6$ $\pm0.9$ 1802 HERZO 1969 OSPK

Conservation Laws:

$\mathit CP$ INVARIANCE

References:

SMITH 1973 NP B60 411 A Search for $\mathit CP$ Violating Effects in the Decays ${{\mathit K}^{\pm}}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ HERZO 1969 PR 186 1403 Measurement of the Ratio of the ${{\mathit \tau}}$ Partial Decay Rates: $\Gamma $( ${{\mathit K}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ )/$\Gamma $( ${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ )

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