2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188080The 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^2 is found to be in good agreement with |Q^2|F_K(13.5 GeV^2)=0.85+-0.05 GeV^2 obtained recently by the direct measurement of the reaction e+e--> K+K-.2 pages, 1 figure, published in PRDHigh Energy Physics - Experimenttext