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Evidence for pseudo...
Evidence for pseudospin-chiral quartet bands in the presence of octupole correlations
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Guo, S. (author)
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Petrache, C. M. (author)
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Mengoni, D. (author)
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Qiang, Y. H. (author)
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Wang, Y. P. (author)
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Wang, Y. Y. (author)
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Meng, J. (author)
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Wang, Y. K. (author)
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Zhang, S. Q. (author)
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Zhao, P. W. (author)
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Astier, A. (author)
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Wang, J. G. (author)
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Fan, H. L. (author)
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Dupont, E. (author)
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Lv, B. F. (author)
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Bazzacco, D. (author)
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Boso, A. (author)
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Goasduff, A. (author)
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Recchia, F. (author)
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Testov, D. (author)
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Galtarossa, F. (author)
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Jaworski, G. (author)
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Napoli, D. R. (author)
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Riccetto, S. (author)
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Siciliano, M. (author)
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Valiente-Dobon, J. J. (author)
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Liu, M. L. (author)
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Li, G. S. (author)
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Zhou, X. H. (author)
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Zhang, Y. H. (author)
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Andreoiu, C. (author)
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Garcia, F. H. (author)
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Ortner, K. (author)
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Whitmore, K. (author)
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- Atac Nyberg, Ayse (author)
- KTH,Kärnfysik
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- Bäck, Torbjörn, 1967- (author)
- KTH,Kärnfysik
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- Cederwall, Bo, 1964- (author)
- KTH,Kärnfysik
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Lawrie, E. A. (author)
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Kuti, I (author)
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Sohler, D. (author)
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Marchlewski, T. (author)
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Srebrny, J. (author)
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Tucholski, A. (author)
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(creator_code:org_t)
- ELSEVIER, 2020
- 2020
- English.
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In: Physics Letters B. - : ELSEVIER. - 0370-2693 .- 1873-2445. ; 807
- Related links:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Three nearly degenerate pairs of doublet bands are identified in Ba-131. Two of them, with positive-parity, are interpreted as pseudospin-chiral quartet bands. This is the first time that a complete set of chiral doublet bands built on the pseudospin partners pi(d(5/2), g(7/2)) is observed. The chiral bands with opposite parity built on 3-quasiparticle configurations are directly connected by many E1 transitions, without involving an intermediary non-chiral configuration. The observed band structures in Ba-131 have been investigated by using the reflection-asymmetric particle rotor model. The energies and the electromagnetic transition ratios of the three pairs of doublet bands observed in Ba-131 are reproduced and they are interpreted as chiral doublet bands with three-quasiparticle configurations. It is the first time that multiple chiral bands are observed in the presence of enhanced octupole correlations and pseudospin symmetry.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Nuclear structure
- Pseudospin
- Chirality
- Octupole correlation
- Reflection-asymmetric particle rotor model
- Tilted axis cranking covariant density functional theory
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Guo, S.
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Petrache, C. M.
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Mengoni, D.
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Qiang, Y. H.
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Wang, Y. P.
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Wang, Y. Y.
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show more...
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Meng, J.
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Wang, Y. K.
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Zhang, S. Q.
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Zhao, P. W.
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Astier, A.
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Wang, J. G.
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Fan, H. L.
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Dupont, E.
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Lv, B. F.
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Bazzacco, D.
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Boso, A.
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Goasduff, A.
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Recchia, F.
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Testov, D.
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Galtarossa, F.
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Jaworski, G.
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Napoli, D. R.
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Riccetto, S.
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Siciliano, M.
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Valiente-Dobon, ...
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Liu, M. L.
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Li, G. S.
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Zhou, X. H.
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Zhang, Y. H.
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Andreoiu, C.
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Garcia, F. H.
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Ortner, K.
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Whitmore, K.
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Atac Nyberg, Ays ...
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Bäck, Torbjörn, ...
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Cederwall, Bo, 1 ...
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Lawrie, E. A.
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Kuti, I
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Sohler, D.
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Marchlewski, T.
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Srebrny, J.
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Tucholski, A.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Physics Letters ...
- By the university
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Royal Institute of Technology