EPJ Web Conf.
Volume 194, 2018International Conference on Nuclear Structure and Related Topics (NSRT18)
|Number of page(s)||6|
|Section||Nuclear structure theory|
|Published online||14 November 2018|
Effects of the shape and Coriolis interaction in nuclear electromagnetic properties
Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Tzarigrad Road 72, BG-1784 Sofia, Bulgaria
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Published online: 14 November 2018
We study the manifestation of collective vibrations and rotations coupled to single-particle motion in odd-mass nuclei with the presence of axial quadrupole-octupole deformations. Our model incorporates K-mixing effects stemming from the Coriolis interaction between the odd nucleon and the even-even core and thus takes into account the probabilities for otherwise forbidden due to the axial symmetry electromagnetic transitions between excited states built on different intrinsic configurations. We demonstrate these effects in the quasi-parity-doublet spectrum of the nucleus 221Fr in which a strong Coriolis interaction manifests. The model successfully describes the available intra- and interband E1, E2 and M1 transition rates giving an insight into the mechanism which allows the K-suppressed transitions in axially symmetric nuclei.
© The Authors, published by EDP Sciences, 2018
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