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- Guo, S. (author)
Evidence for pseudospin-chiral quartet bands in the presence of octupole correlations
- Article/chapterEnglish2020
Publisher, publication year, extent ...
- ELSEVIER,2020
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-283935
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-283935URI
- https://doi.org/10.1016/j.physletb.2020.135572DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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- QC 20201020
- 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 and genre
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- Nuclear structure
- Pseudospin
- Chirality
- Octupole correlation
- Reflection-asymmetric particle rotor model
- Tilted axis cranking covariant density functional theory
Added entries (persons, corporate bodies, meetings, titles ...)
- Petrache, C. M. (author)
- Mengoni, D. (author)
- Qiang, Y. H. (author)
- Wang, Y. P. (author)
- Wang, Y. Y. (author)
- Meng, J. (author)
- Wang, Y. K. (author)
- Zhang, S. Q. (author)
- Zhao, P. W. (author)
- Astier, A. (author)
- Wang, J. G. (author)
- Fan, H. L. (author)
- Dupont, E. (author)
- Lv, B. F. (author)
- Bazzacco, D. (author)
- Boso, A. (author)
- Goasduff, A. (author)
- Recchia, F. (author)
- Testov, D. (author)
- Galtarossa, F. (author)
- Jaworski, G. (author)
- Napoli, D. R. (author)
- Riccetto, S. (author)
- Siciliano, M. (author)
- Valiente-Dobon, J. J. (author)
- Liu, M. L. (author)
- Li, G. S. (author)
- Zhou, X. H. (author)
- Zhang, Y. H. (author)
- Andreoiu, C. (author)
- Garcia, F. H. (author)
- Ortner, K. (author)
- Whitmore, K. (author)
- Atac Nyberg, AyseKTH,Kärnfysik(Swepub:kth)u1vggxbc (author)
- Bäck, Torbjörn,1967-KTH,Kärnfysik(Swepub:kth)u14c88z3 (author)
- Cederwall, Bo,1964-KTH,Kärnfysik(Swepub:kth)u15ywilj (author)
- Lawrie, E. A. (author)
- Kuti, I (author)
- Sohler, D. (author)
- Marchlewski, T. (author)
- Srebrny, J. (author)
- Tucholski, A. (author)
- KTHKärnfysik (creator_code:org_t)
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- In:Physics Letters B: ELSEVIER8070370-26931873-2445
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- Guo, S.
- Petrache, C. M.
- Mengoni, D.
- Qiang, Y. H.
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- Meng, J.
- Wang, Y. K.
- Zhang, S. Q.
- Zhao, P. W.
- Astier, A.
- Wang, J. G.
- Fan, H. L.
- Dupont, E.
- Lv, B. F.
- Bazzacco, D.
- Boso, A.
- Goasduff, A.
- Recchia, F.
- Testov, D.
- Galtarossa, F.
- Jaworski, G.
- Napoli, D. R.
- Riccetto, S.
- Siciliano, M.
- Valiente-Dobon, ...
- Liu, M. L.
- Li, G. S.
- Zhou, X. H.
- Zhang, Y. H.
- Andreoiu, C.
- Garcia, F. H.
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- Atac Nyberg, Ays ...
- Bäck, Torbjörn, ...
- Cederwall, Bo, 1 ...
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- Kuti, I
- Sohler, D.
- Marchlewski, T.
- Srebrny, J.
- Tucholski, A.
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