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${{\mathit K}^{\pm}}$ CHARGE RADIUS

INSPIRE   PDGID:

S010CR

VALUE (fm) DOCUMENT ID  COMMENT $\bf{ 0.560 \pm0.031}$ OUR AVERAGE $0.580$ $\pm0.040$ AMENDOLIA 1986 B ${{\mathit K}}$ ${{\mathit e}}$ $\rightarrow$ ${{\mathit K}}{{\mathit e}}$ $0.530$ $\pm0.050$ DALLY 1980 ${{\mathit K}}$ ${{\mathit e}}$ $\rightarrow$ ${{\mathit K}}{{\mathit e}}$ • • We do not use the following data for averages, fits, limits, etc. • • $0.620$ $\pm0.037$ BLATNIK 1979 VMD + dispersion relations

References:

AMENDOLIA 1986B PL B178 435 A Measurement of the Kaon Charge Radius DALLY 1980 PRL 45 232 Direct Measurement of the Negative Kaon Form-factor BLATNIK 1979 LNC 24 39 The Isovector Part of the Kaon Form-factor and the Kaon Charge Radii