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Unified description of 2+_1 states within the deformed quasiparticle random-phase approximation

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Delion, D.-S., & Suhonen, J. (2013). Unified description of 2+_1 states within the deformed quasiparticle random-phase approximation. Physical Review C, 87 (2), 024309. doi:10.1103/PhysRevC.87.024309
Published in
Physical Review C
Authors
Delion, Doru-Sabin |
Suhonen, Jouni
Date
2013
Discipline
Fysiikka
Copyright
© 2013 American Physical Society. Published in this repository with the kind permission of the publisher.

 
We describe low-lying collective states in deformed even-even nuclei within a deformed quasiparticle randomphase approximation (dQRPA) by using a single-particle basis with good angular momentum. The statistical factors, accounting for the level occupancy, appear in the dQRPA in a natural way as rotation coefficients that take the intrinsic system to the laboratory system. We have used our model by performing a systematic analysis of E2 transitions from the first 2+ state to the ground state for all superfluid nuclei in the range 50 < Z 100 by using a common charge polarization parameter χ = 0.2. In spite of its similarity to the QRPA, this method is able to describe in an unified way gross features of electromagnetic transitions from vibrational to rotational nuclei.
Publisher
American Physical Society
ISSN Search the Publication Forum
0556-2813
Keywords
teoreettinen ydinfysiikka theoretical nuclear physics
DOI
10.1103/PhysRevC.87.024309
URI

http://urn.fi/URN:NBN:fi:jyu-201602081488

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