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${{\mathit K}^{0}}$ MASS
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$497.611 \pm0.013$ MeV (S = 1.2)
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${\mathit m}_{{{\mathit K}^{0}}}{\mathit m}_{{{\mathit K}^{\pm}}}$
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$3.934 \pm0.020$ MeV (S = 1.6)
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${{\mathit K}^{0}}$ MEAN SQUARE CHARGE RADIUS
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$-0.077 \pm0.010$ fm${}^{2}$
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ASYMMETRY $\mathit A_{\mathit T}$ IN ${{\mathit K}^{0}}-{{\overline{\mathit K}}^{0}}$ MIXING
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$0.0066 \pm0.0016$
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Re($\epsilon $)
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$0.001596 \pm0.000013$
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REAL PART OF $\delta $
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$(2.5 \pm2.3) \times 10^{-4}$
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IMAGINARY PART OF $\delta $
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$(-1.5 \pm1.6) \times 10^{-5}$
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Re(x$_{-}$)
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$-0.0029 \pm0.0020$
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$\vert{}{\mathit m}_{{{\mathit K}^{0}}}{\mathit m}_{{{\overline{\mathit K}}^{0}}}\vert{}/{\mathit m}_{\mathrm {average}}$
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$<6 \times 10^{-19}$ CL=90.0%
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(${\Gamma}_{{\mathit K}^{0}}−{\Gamma}_{{\overline{\mathit K}}^{0}})/{\mathit m}_{{\mathrm {average}}}$
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$(8 \pm8) \times 10^{-18}$
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Re(x$_{+}$)
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$-0.0009 \pm0.0030$
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