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The timelike form factor of the charged kaon is evaluated at|Q^2|=M^2(J/psi)=9.59 GeV^2 by relating it to B(J/psi->K+K-), B(J/psi->K_SK_L)and B(J/psi->e+e-). The resulting value, |Q^2|F_K(9.59 GeV^2)=0.81+-0.18 GeV^2is found to be in good agreement with |Q^2|F_K(13.5 GeV^2)=0.85+-0.05 GeV^2obtained recently by the direct measurement of the reaction e+e--> K+K-.Comment: 2 pages, 1 figure, published in PR

physical review. d. particles, fields, gravitation, and cosmology/physical review. d, particles, fields, gravitation, and cosmology

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Timelike form factor of the Kaon for|Q2|=M2(J/ψ)