Two quasiparticle wobbling in the even-even nucleus 130Ba

Two newly observed bands built on a two-quasiparticle configuration in 130Ba have been investigated for the first time with the microscopic projected shell model. The experimental energy spectra and the available electromagnetic transition probabilities are well reproduced. The wobbling character of...

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Main Authors: Y.K. Wang, F.Q. Chen, P.W. Zhao
Format: Article
Language:English
Published: Elsevier 2020-03-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269320300502
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spelling doaj-eccec19b2f554b998e643cf6e3f2fae42020-11-25T01:36:20ZengElsevierPhysics Letters B0370-26932020-03-01802Two quasiparticle wobbling in the even-even nucleus 130BaY.K. Wang0F.Q. Chen1P.W. Zhao2State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, ChinaSchool of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, ChinaState Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China; Corresponding author.Two newly observed bands built on a two-quasiparticle configuration in 130Ba have been investigated for the first time with the microscopic projected shell model. The experimental energy spectra and the available electromagnetic transition probabilities are well reproduced. The wobbling character of the higher band is revealed by the angular momentum projected wavefunctions via the K plot and the azimuthal plot. This provides the first strong microscopic evidence for wobbling motion based on a two-quasiparticle configuration in even-even nuclei. Keywords: Nuclear wobbling, Projected shell model, K plot, Azimuthal plothttp://www.sciencedirect.com/science/article/pii/S0370269320300502
collection DOAJ
language English
format Article
sources DOAJ
author Y.K. Wang
F.Q. Chen
P.W. Zhao
spellingShingle Y.K. Wang
F.Q. Chen
P.W. Zhao
Two quasiparticle wobbling in the even-even nucleus 130Ba
Physics Letters B
author_facet Y.K. Wang
F.Q. Chen
P.W. Zhao
author_sort Y.K. Wang
title Two quasiparticle wobbling in the even-even nucleus 130Ba
title_short Two quasiparticle wobbling in the even-even nucleus 130Ba
title_full Two quasiparticle wobbling in the even-even nucleus 130Ba
title_fullStr Two quasiparticle wobbling in the even-even nucleus 130Ba
title_full_unstemmed Two quasiparticle wobbling in the even-even nucleus 130Ba
title_sort two quasiparticle wobbling in the even-even nucleus 130ba
publisher Elsevier
series Physics Letters B
issn 0370-2693
publishDate 2020-03-01
description Two newly observed bands built on a two-quasiparticle configuration in 130Ba have been investigated for the first time with the microscopic projected shell model. The experimental energy spectra and the available electromagnetic transition probabilities are well reproduced. The wobbling character of the higher band is revealed by the angular momentum projected wavefunctions via the K plot and the azimuthal plot. This provides the first strong microscopic evidence for wobbling motion based on a two-quasiparticle configuration in even-even nuclei. Keywords: Nuclear wobbling, Projected shell model, K plot, Azimuthal plot
url http://www.sciencedirect.com/science/article/pii/S0370269320300502
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AT fqchen twoquasiparticlewobblingintheevenevennucleus130ba
AT pwzhao twoquasiparticlewobblingintheevenevennucleus130ba
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