Abstract
The M1-strength functions for transitions from the ground states of 136,138Ba and 140Ce to the states lying near the neutron binding energy B n are calculated within the quasiparticle-phonon nuclear model. The calculated M1-strength functions describe well the relevant experimental data. It is shown that a notable enhancement of the M1-transitions is caused by the proximity of the maximum of the M1-resonance to B n. As a result the intensities of the E1 and M1-transitions appear to be close to each other.
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