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Lifetime measurements of excited states in ¹⁶³W and the implications for the anomalous B(E2) ratios in transitional nuclei

Lewis, M. C. ; Joss, D. T. ; Sayğı, Bahadır ; Page, Robert D. ; Cullen, David M. ; Barber, L. ; Giles, Michael ; Simpson, John J. ; Al-Aqeel, M. A. M. ; Badran, H. ; Braunroth, Thomas ; Briscoe, Andy D. ; Calverley, T. ; Dewald, Alfred ; Doncel, M. ; Grahn, Tuomas ; Greenlees, Paul ; Henrich, Corinna ; Herzáň, Andrej ; Herzberg, Rolf Dietmar ; Higgins, Edward J. ; Hilton, J. ; Ilieva, Stoyanka ; Julin, Rauno ; Juutinen, Sakari ; Keatings, James Michael ; Kröll, Thorsten ; Labiche, Marc A. ; Mashtakov, Konstantin R. ; Nara Singh, Bondili S. ; Parr, Edward J. ; Partanen, J. ; Paul, Edward S. ; Rahkila, Panu M. ; Sandzelius, M. ; Sarén, Jan J. ; Scholey, Cath S. ; Siciliano, Marco ; Spagnoletti, Pietro ; Stolze, S. M. ; Szwec, Stuart V. ; Taylor, Michael J. ; Uusitalo, Juha (2022)
Lifetime measurements of excited states in ¹⁶³W and the implications for the anomalous B(E2) ratios in transitional nuclei.
In: Physics Letters B, 2019, 798
doi: 10.26083/tuprints-00012660
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Lifetime measurements of excited states in ¹⁶³W and the implications for the anomalous B(E2) ratios in transitional nuclei
Language: English
Date: 2022
Place of Publication: Darmstadt
Year of primary publication: 2019
Publisher: Elsevier
Journal or Publication Title: Physics Letters B
Volume of the journal: 798
Collation: 5 Seiten
DOI: 10.26083/tuprints-00012660
Corresponding Links:
Origin: Secondary publication
Abstract:

This letter reports lifetime measurements of excited states in the odd-N nucleus 163W using the recoil-distance Doppler shift method to probe the core polarising effect of the i13/2 neutron orbital on the underlying soft triaxial even-even core. The ratio B(E2:21/2⁺ → 17/2⁺)/B(E2:17/2⁺ → 13/2⁺) is consistent with the predictions of the collective rotational model. The deduced B(E2) values provide insights into the validity of collective model predictions for heavy transitional nuclei and a geometric origin for the anomalous B(E2) ratios observed in nearby even-even nuclei is proposed.

Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-126601
Additional Information:

Keywords: Mean lifetimes, B(E2) reduced transition probabilities, Recoil-distance Doppler-shift method, Nuclear deformation, Gamma-ray Spectroscopy

Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute of Nuclear Physics
05 Department of Physics > Institute of Nuclear Physics > Experimentelle Kernphysik
Date Deposited: 03 Mar 2022 12:28
Last Modified: 20 Feb 2023 08:58
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/12660
PPN: 505146606
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