Abstract
Radiative strength functions ofE1- andM1-transitions from ground states of doubly even deformed nuclei to states near the neutron binding energyB n are calculated within the quasiparticle-phonon nuclear model. The wave functions of excited states include one- and two-phonon components. The calculations were made with the Pauli principle being or not included in the two-phonon components of the wave functions. It is shown that the radiativeE1- andM1-strength functions as well as the widths of giant dipole resonances in deformed nuclei are slightly influenced by the two-phonon components of the wave functions and they can be calculated in the RPA. Thek E1- andk M1-values are calculated for some deformed nuclei of the rare-earth and actinide region. The calculated values ofk E1 are 1.5–2 times larger and the values ofk M1 are somewhat less than the average values obtained in [14] from the analysis of available experimental data.
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One of the authors (V.G. Soloviev) is grateful to Professor R. Chrien for fruitful discussion of the problems related to dipole strength functions.
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Malov, L.A., Meliev, F.M. & Soloviev, V.G. Description of radiative strength functions in deformed nuclei. Z Physik A 320, 521–527 (1985). https://doi.org/10.1007/BF01415730
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DOI: https://doi.org/10.1007/BF01415730