University of Oulu

Petrache, C. M., Minkov, N., Nakatsukasa, T., Lv, B. F., Astier, A., Dupont, E., Zheng, K. K., Greenlees, P., Badran, H., Calverley, T., Cox, D. M., Grahn, T., Hilton, J., Julin, R., Juutinen, S., Konki, J., Pakarinen, J., Papadakis, P., Partanen, J., … Andreoiu, C. (2020). Signatures of enhanced octupole correlations at high spin in Nd136. Physical Review C, 102(1), 014311.

Signatures of enhanced octupole correlations at high spin in ¹³⁶Nd

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Author: Petrache, C. M.1; Minkov, N.2; Nakatsukasa, T.3,4,5;
Organizations: 1Univ Paris Saclay, CNRS, IN2P3, Ctr Sci Nucl & Sci Matiere, Bat 104-108, F-91405 Orsay, France.
2Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BG-1784 Sofia, Bulgaria.
3Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki 3058577, Japan.
4Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan.
5RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan.
6Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
7Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
8Univ Jyvaskyla, Dept Phys, FIN-40014 Jyvaskyla, Finland.
9Univ Liverpool, Dept Phys, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England.
10Lund Inst Technol, Dept Math Phys, S-22362 Lund, Sweden.
11CERN, CH-1211 Geneva 23, Switzerland.
12Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England.
13Univ Oulu, Sodankyla Geophys Observ, FIN-99600 Sodankyla, Finland.
14Argonne Natl Lab, Div Phys, 9700 S Cass Ave, Argonne, IL 60439 USA.
15KTH Dept Phys, S-10691 Stockholm, Sweden.
16Hungarian Acad Sci, Inst Nucl Res, Pf 51, H-4001 Debrecen, Hungary.
17Univ Warsaw, Heavy Ion Lab, Pasteura 5a, PL-02093 Warsaw, Poland.
18Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada.
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 0.5 MB)
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Language: English
Published: American Physical Society, 2020
Publish Date: 2020-09-24


Experimental signatures of moderately enhanced octupole correlations at high spin in ¹³⁶Nd are indicated for the first time. The extracted dipole moments of two negative-parity bands are only two times smaller than those of the lanthanide nuclei with N≈90 which present well-established octupole correlations. Calculations using the cranked quasiparticle random phase approximation and a model of quadrupole-octupole rotations with octupole vibrations reveal the structure of the bands and the enhanced octupole correlations at high spin in ¹³⁶Nd.

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Series: Physical review. C
ISSN: 2469-9985
ISSN-E: 2469-9993
ISSN-L: 2469-9985
Volume: 102
Article number: 014311
DOI: 10.1103/PhysRevC.102.014311
Type of Publication: A1 Journal article – refereed
Field of Science: 114 Physical sciences
Funding: This work was supported by the Academy of Finland under the Finnish Centre of Excellence Programme (2012–2017), the EU 7th Framework Programme Project No. 262010 (ENSAR), the U.S. DOE under Contract No. DEFG02-95ER-40934, the National Research, Development and Innovation Fund of Hungary (Project No. K128947), the European Regional Development Fund (Contract No. GINOP-2.3.3-15-2016-00034), the National Research, Development and Innovation Office–NKFIH under Contract No. PD124717, the Polish National Science Centre under Grant No. 2013/10/M/ST2/00427, the Swedish Research Council under Grant No. 621-2014-5558, the Chinese Major State 973 Program No. 2013CB834400, the National Natural Science Foundation of China (Grants No. 11335002, No. 11375015, No. 11461141002, and No. 11621131001), the Natural Sciences and Engineering Research Council of Canada (NSERC), and the Bulgarian National Science Fund (BNSF) under Contract No. KP-06-N28/6. The use of germanium detectors from the GAMMAPOOL is acknowledged.
Copyright information: © 2020 American Physical Society.