Abstract

We have determined the isomeric ratios in photonuclear reactions 116Cd(γ, n)115m, g Cd, 138Ce(γ, n)137m, g Ce, 153Eu(γ, n)152m, g Eu, 96Mo(γ, p)95m, g Nb, 118Sn(γ, p)117m, g In, 89Y(γ, 2n)87m, g Y, 106Cd(γ, np)104m, g Ag, and 112Sn(γ, np)110m, g In induced by bremsstrahlungs with end-point energies in the Giant Dipole Resonance (GDR) region. The targets were irradiated at electron accelerator Microtron MT-25 of the Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna. Gamma spectra of irradiated samples were measured with a spectroscopic system consisting of 8192-channel analyzer and high-energy resolution (180 keV at gamma ray 1332 keV of 60Co) semiconductor detector CANBERRA. The results were discussed and compared with those of other authors.

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