Collectivity of the deformed structure in 96Zr from complementary Coulomb-excitation and β-decay measurements

M. Zielinska; P. E. Garrett; M. Rocchini; S Pannu; A. Bergmaier; V. Bildstein; A.B. Calder; S.R. Dworatzek; V Vedia; Z. Ahmed; C. Andreoiu; D. Annen; H. Asch; A. A. Avaa; G. C. Ball; S Buck; R. Coleman; A. Diaz Varela; Daniel Thomas Doherty; J. T H Dowie; T Faestermann; A.B. Garnsworthy; E. Geerlof; B. Greaves; A Grimes; G. Hackman; R. Hertenberger; S. F. Hicks; Desislava Kalaydjieva; V. Karayonchev; T. La Marca; S. Lange; B. Lenardo; L. Maqungo; N. Marchini; B. Marlow; M. S. Martin; K. R. Mashtakov; E. Mccourt; J. R. Murias; S. Murillo Morales; A Nannini; E. E. Peters; C. M. Petrache; C. Porzio; G. Richardson; M. Scheck; P. Spagnoletti; K. Stoychev; C. E. Svensson; E. Taddei; G. Tocabens; S Triambak; M. Vandebrouck; R. Umashankar; S Valbuena; K Wrzosek-Lipska; F. Wu (吴桐安); T. Zidar

doi:10.1016/j.physletb.2026.140481

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Collectivity of the deformed structure in 96Zr from complementary Coulomb-excitation and β-decay measurements

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Collectivity of the deformed structure in 96Zr from complementary Coulomb-excitation and β-decay measurements

M. Zielinska, P. E. Garrett, M. Rocchini, S Pannu, A. Bergmaier, V. Bildstein, A.B. Calder, S.R. Dworatzek, V Vedia, Z. Ahmed, …

Physics letters. B, Vol.877, 140481

01/06/2026

DOI: https://doi.org/10.1016/j.physletb.2026.140481

Abstract

Electromagnetic properties

Quadrupole deformation

Shape coexistence

The B(E2;22+→01+) value in 96Zr was determined from a Coulomb-excitation measurement with 12C and 16O beams performed at the Maier-Leibnitz Laboratory with a Q3D magnetic spectrograph. High-precision γ-ray branching ratios in the decay of the 22+ state in 96Zr, and a new value of the 22+→21+ multipole mixing ratio, were obtained from a complementary β-decay experiment, performed using the GRIFFIN spectrometer at the TRIUMF-ISAC facility. Combining these results yields B(E2;22+→02+)=38.9(57) W.u. which is in agreement with the previous measurement, but considerably more precise. The observed differences between the properties of structures built on the 02+ states in 94Zr and 96Zr are discussed in the context of possible triple shape coexistence in Zr nuclei.

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Title: Collectivity of the deformed structure in 96Zr from complementary Coulomb-excitation and β-decay measurements
Creators: M. Zielinska - Université Paris-Saclay
P. E. Garrett - University of Guelph
M. Rocchini - University of Guelph
S Pannu - University of Guelph
A. Bergmaier - Universität der Bundeswehr München
V. Bildstein - University of Guelph
A.B. Calder - University of Guelph
S.R. Dworatzek - University of Guelph
V Vedia - TRIUMF
Z. Ahmed - University of Guelph
C. Andreoiu - Simon Fraser University
D. Annen - Simon Fraser University
H. Asch - Simon Fraser University
A. A. Avaa - TRIUMF
G. C. Ball - TRIUMF
S Buck - University of Guelph
R. Coleman - University of Guelph
A. Diaz Varela - University of Guelph
Daniel Thomas Doherty - University of Surrey
J. T H Dowie - University of Kentucky
T Faestermann - Ludwig-Maximilians-Universität München
A.B. Garnsworthy - TRIUMF
E. Geerlof - TRIUMF
B. Greaves - University of Guelph
A Grimes - TRIUMF
G. Hackman - TRIUMF
R. Hertenberger - Ludwig-Maximilians-Universität München
S. F. Hicks - University of Kentucky
Desislava Kalaydjieva - University of Guelph
V. Karayonchev - Argonne National Laboratory
T. La Marca - Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
S. Lange - University of Guelph
B. Lenardo - SLAC National Accelerator Laboratory
L. Maqungo - University of the Western Cape
N. Marchini - Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
B. Marlow - TRIUMF
M. S. Martin - Simon Fraser University
K. R. Mashtakov - University of Guelph
E. Mccourt - University of Guelph
J. R. Murias - TRIUMF
S. Murillo Morales - TRIUMF
A Nannini - Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
E. E. Peters - University of Kentucky
C. M. Petrache - Université Paris-Saclay
C. Porzio - Lawrence Berkeley National Laboratory
G. Richardson - SLAC National Accelerator Laboratory
M. Scheck - Helmholtzzentrum Hereon, Geesthacht, D-25201, Germany
P. Spagnoletti - Simon Fraser University
K. Stoychev - University of Guelph
C. E. Svensson - University of Guelph
E. Taddei - Simon Fraser University
G. Tocabens - Université Paris-Saclay
S Triambak - University of the Western Cape
M. Vandebrouck - Université Paris-Saclay
R. Umashankar - TRIUMF
S Valbuena - University of Guelph
K Wrzosek-Lipska - University of Warsaw
F. Wu (吴桐安) - Simon Fraser University
T. Zidar - University of Guelph
Publication Details: Physics letters. B, Vol.877, 140481
Publisher: Elsevier B.V
Number of pages: 7
First online publication date: 26/04/2026
Publication Date: 01/06/2026
Grant note: This work was supported in part by the Natural Sciences and Engineering Research Council (Canada). MZ and KWL acknowledge funding from Polish (COPIN) – French (CNRS) International Research Project (IRP): The Collaboration COPIN-GANIL on physics of exotic nuclei – COPIGAL. FW acknowledges funding from the Canadian Institute of Nuclear Physics. This material is based upon work supported by the U.S. National Science Foundation under Grant No. PHY-2209178. The GRIFFIN infrastructure has been funded jointly by the Canada Foundation for Innovation, the British Columbia Knowledge Development Fund (BCKDF), the Ontario Ministry of Research and Innovation (ON-MRI), TRIUMF and the University of Guelph. TRIUMF receives federal funding via a contribution agreement through the National Research Council Canada (NRC).
Identifiers: 991161060002346; WOS:001766097600001
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article
Data Access Statement: Data will be made available on request.

Collectivity of the deformed structure in 96Zr from complementary Coulomb-excitation and β-decay measurements

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