Spectroscopy and lifetime measurements in ¹³⁴,¹³⁶,¹³⁸Te isotopes and implications for the nuclear structure beyond N = 82

G. Häfner; R. L. Canavan; R. Lozeva; J. N. Wilson; H. Naïdja; K. Belvedere; M. Lebois; S. M. Collins; N. Jovančević; P. H. Regan; D. Thisse; D. Etasse; M. Rudigier; E. Adamska; P. Adsley; M. Babo; J. Benito; G. Benzoni; A. Blazhev; A. Boso; M. Bunce; S. Bottoni; R. Chakma; N. Cieplicka-Oryńczak; M. L. Cortés; P. J. Davies; C. Delafosse; M. Fallot; B. Fornal; L. M. Fraile; R.-B. Gerst; D. Gjestvang; V. Guadilla; K. Hauschild; C. Henrich; I. Homm; F. Ibrahim; Ł. W. Iskra; S. Jazwari; J. Jolie; A. Korgul; P. Koseoglou; Th Kröll; T. Kurtukian-Nieto; L. Le-meur; J. Ljungvall; A. Lopez-Martens; I. Matea; L. Matthieu; K. Miernik; J. Nemer; S. Oberstedt; W. Paulsen; M. Piersa; Y. Popovitch; C. Porzio; L. Qi; D. Ralet; D. Reygadas Tello; K. Rezynkina; V. Sanchez; C. Schmitt; P.-A. Söderström; C. Sürder; G. Tocabens; V. Vedia; D. Verney; N. Warr; B. Wasilewska; J. Wiederhold; M. S. Yavahchova; F. Zeiser; S. Ziliani

doi:10.1103/PhysRevC.103.034317

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Spectroscopy and lifetime measurements in ¹³⁴,¹³⁶,¹³⁸Te isotopes and implications for the nuclear structure beyond N = 82

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Spectroscopy and lifetime measurements in ¹³⁴,¹³⁶,¹³⁸Te isotopes and implications for the nuclear structure beyond N = 82

G. Häfner, R. L. Canavan, R. Lozeva, J. N. Wilson, H. Naïdja, K. Belvedere, M. Lebois, S. M. Collins, N. Jovančević, P. H. Regan, …

Physical Review C, Vol.103(3), 034317

03/2021

DOI: https://doi.org/10.1103/PhysRevC.103.034317

Abstract

Electromagnetic transitions

Lifetimes & widths

Nuclear structure & decays

90 ≤ A ≤ 149

Shell model

Nuclear Physics

We report on spectroscopic information and lifetime measurements of even-even neutron-rich Te isotopes. Excited states were populated in fast-neutron induced fission of ²³⁸U at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid ν-ball spectrometer. We provide first results on lifetimes of the 6⁺₁ state in ¹³⁶Te and the (6⁺₁), (4⁺₁), and (2⁺₁) states in ¹³⁸ Te and discuss the results in the context of large-scale shell-model calculations. The level schemes of ¹³⁶Te and ¹³⁸Te are revised in terms of lifetimes of their 2⁺₁ , 4⁺₁ states and updated information on the (4⁺₂) state in ¹³⁶Te is presented. In addition, previously reported data on spectroscopy and lifetimes in ¹³⁴Te are reexamined. This work provides new insights into the evolution of collectivity for Te isotopes with N = 82, 84, 86.

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Title: Spectroscopy and lifetime measurements in ¹³⁴,¹³⁶,¹³⁸Te isotopes and implications for the nuclear structure beyond N = 82
Creators: G. Häfner - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
R. L. Canavan - University of Surrey, School of Maths and Physics
R. Lozeva - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
J. N. Wilson - University of Surrey, School of Biosciences
H. Naïdja
K. Belvedere
M. Lebois - Université Paris-Saclay
S. M. Collins - University of Surrey, School of Maths and Physics
N. Jovančević - Université Paris-Saclay
P. H. Regan
D. Thisse - Université Paris-Saclay
D. Etasse - Laboratoire de Physique Corpusculaire de Caen
M. Rudigier - University of Surrey
E. Adamska - University of Warsaw
P. Adsley - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
M. Babo - Université Paris-Saclay
J. Benito - Universitat de València
G. Benzoni - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
A. Blazhev - University of Cologne
A. Boso
M. Bunce
S. Bottoni - GSI Helmholtz Centre for Heavy Ion Research
R. Chakma - Université Paris-Saclay
N. Cieplicka-Oryńczak
M. L. Cortés - RIKEN
P. J. Davies - University of Manchester
C. Delafosse - Université Paris-Saclay
M. Fallot - Nantes Université
B. Fornal - TU Darmstadt
L. M. Fraile
R.-B. Gerst - University of Cologne
D. Gjestvang - University of Oslo
V. Guadilla - TU Darmstadt
K. Hauschild - Université Paris-Saclay
C. Henrich
I. Homm
F. Ibrahim - Université Paris-Saclay
Ł. W. Iskra
S. Jazwari
J. Jolie - University of Cologne
A. Korgul - University of Warsaw
P. Koseoglou - University of Surrey
Th Kröll
T. Kurtukian-Nieto - Université de Bordeaux
L. Le-meur - Nantes Université
J. Ljungvall - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
A. Lopez-Martens - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
I. Matea - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
L. Matthieu - Institut National de Physique Nucléaire et de Physique des Particules
K. Miernik - University of Warsaw
J. Nemer - Université Paris-Saclay
S. Oberstedt
W. Paulsen - University of Oslo
M. Piersa
Y. Popovitch - Université Paris-Saclay
C. Porzio - GSI Helmholtz Centre for Heavy Ion Research
L. Qi - Université Paris-Saclay
D. Ralet - GANIL
D. Reygadas Tello
K. Rezynkina - University of Surrey
V. Sanchez
C. Schmitt - Université de Strasbourg
P.-A. Söderström - RIKEN Nishina Center
C. Sürder
G. Tocabens - Université Paris-Saclay
V. Vedia
D. Verney - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
N. Warr - University of Cologne
B. Wasilewska
J. Wiederhold - Universitat de València
M. S. Yavahchova
F. Zeiser - University of Oslo
S. Ziliani
Publication Details: Physical Review C, Vol.103(3), 034317
Publisher: American Physical Society
Date published: 03/2021
Date accepted: 09/03/2021
Grants: Department for Business, Energy and Industrial Strategy (United Kingdom, London) - BEIS
Science and Technology Facilities Council (United Kingdom, Swindon) - STFC
ST/P005314, Science and Technology Facilities Council (United Kingdom, Swindon) - STFC
FPA2015-65035-P, Ministry of Economy, Industry and Competitiveness (Spain, Madrid) - MINECO
RTI2018-098868-B-I00, Ministry of Economy, Industry and Competitiveness (Spain, Madrid) - MINECO
ST/L005743/1, Science and Technology Facilities Council (United Kingdom, Swindon) - STFC
05P15RDFN1, Federal Ministry of Education and Research (Germany, Bonn) - BMBF
05P19PKFNA, Federal Ministry of Education and Research (Germany, Bonn) - BMBF
European Nuclear Science and Application Research 2, 654002, European Union (Belgium, Brussels) - EU
Grant note: The authors thank the operators of the ALTO facility for providing the reliable beams used during the experiment. Additionally, we thank the FASTER collaboration for the technical support given. GAMMA-POOL and LOANPOOL are acknowledged for loaning the Clover and Phase I HPGe detectors. The FATIMA collaboration is acknowledged for loaning the LaBr₃(Ce) detectors. Some of the coauthors of this work were supported by the STFC UK Nuclear Data Network, the STFC (Grants No. ST/L005743/1 and No. ST/P005314), the Marion Redfearn Trust, BMBF (NUSTAR.DE Grants No. 05P15RDFN1 and No. 05P19PKFNA), and MINECO Grant No. FPA2015-65035-P. Part of the collaboration has received funding from the European Union's HORIZON 2020 Program under Grant No. 654002. Spanish MINECO was funding us via FPA2015-65035-P and RTI2018-098868-B-I00. G.H. and R.L. acknowledge support from the IDEX-API grant. P.H.R., S.M.C., M.B., and A.B. acknowledge support from the UK Government Department of BEIS via the National Measurement System, and the STFC consolidated grant. A.B., R.-B.G. and N.W. are supported by the DFG under Grant No. BL 1513/1-1. F.Z. received support from the Research Council of Norway under Contract No. 263030.
Identifiers: 99695360902346
Academic Unit: School of Maths and Physics; School of Biosciences
Language: English
Resource Type: Journal article

Spectroscopy and lifetime measurements in ¹³⁴,¹³⁶,¹³⁸Te isotopes and implications for the nuclear structure beyond N = 82

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