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Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of Hg-182, Hg-184, Hg-186 and Hg-188
- Source :
- E-Prints Complutense. Archivo Institucional de la UCM, instname, Arias Montano. Repositorio Institucional de la Universidad de Huelva, Eur.Phys.J.A, Eur.Phys.J.A, 2019, 55 (8), pp.130. ⟨10.1140/epja/i2019-12815-2⟩, European Physical Journal A, European Physical Journal A, EDP Sciences, 2019, 55 (8), pp.130. ⟨10.1140/epja/i2019-12815-2⟩, Wrzosek-lipska, K, Rezynkina, K, Bree, N, Zielińska, M, Gaffney, L P, Petts, A, Andreyev, A, Bastin, B, Bender, M, Blazhev, A, Bruyneel, B, Butler, P A, Carpenter, M P, Cederkäll, J, Clément, E, Cocolios, T E, Deacon, A N, Diriken, J, Ekström, A, Fitzpatrick, C, Fraile, L M, Fransen, C, Freeman, S J, García-ramos, J E, Geibel, K, Gernhäuser, R, Grahn, T, Guttormsen, M, Hadinia, B, Hadyńska-klȩk, K, Hass, M, Heenen, P, Herzberg, R, Hess, H, Heyde, K, Huyse, M, Ivanov, O, Jenkins, D G, Julin, R, Kesteloot, N, Kröll, T, Krücken, R, Larsen, A C, Lutter, R, Marley, P, Napiorkowski, P J, Orlandi, R, Page, R D, Pakarinen, J, Patronis, N, Peura, P J, Piselli, E, Próchniak, L, Rahkila, P, Rapisarda, E, Reiter, P, Robinson, A P, Scheck, M, Siem, S, Singh Chakkal, K, Smith, J F, Srebrny, J, Stefanescu, I, Tveten, G M, Van Duppen, P, Van De Walle, J, Voulot, D, Warr, N, Wiens, A & Wood, J L 2019, ' Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg ', The European Physical Journal A: Hadrons and Nuclei, vol. 55, no. 8 . https://doi.org/10.1140/epja/i2019-12815-2, The European Physical Journal A, The European Physical Journal A, Springer, 2019, 55 (8), pp.130. ⟨10.1140/epja/i2019-12815-2⟩, E-Prints Complutense: Archivo Institucional de la UCM, Universidad Complutense de Madrid, EUROPEAN PHYSICAL JOURNAL A
- Publication Year :
- 2019
- Publisher :
- Springer, 2019.
-
Abstract
- The neutron-deficient mercury isotopes serve as a classical example of shape coexistence, whereby at low energy near-degenerate nuclear states characterized by different shapes appear. The electromagnetic structure of even-mass 182-188 Hg isotopes was studied using safe-energy Coulomb excitation of neutron-deficient mercury beams delivered by the REX-ISOLDE facility at CERN. The population of $ 0^{+}_{1,2}$01,2+, $ 2^{+}_{1,2}$21,2+and $ 4^{+}_{1}$41+states was observed in all nuclei under study. Reduced E2 matrix elements coupling populated yrast and non-yrast states were extracted, including their relative signs. These are a sensitive probe of shape coexistence and may be used to validate nuclear models. The experimental results are discussed in terms of mixing of two different configurations and are compared with three different model calculations: the Beyond Mean Field model, the Interacting Boson Model with configuration mixing and the General Bohr Hamiltonian. Partial agreement with experiment was observed, hinting to missing ingredients in the theoretical descriptions. The neutron-deficient mercury isotopes serve as a classical example of shape coexistence, whereby at low energy near-degenerate nuclear states characterized by different shapes appear. The electromagnetic structure of even-mass 182-188 Hg isotopes was studied using safe-energy Coulomb excitation of neutron-deficient mercury beams delivered by the REX-ISOLDE facility at CERN. The population of $ 0^{+}_{1,2}$01,2+, $ 2^{+}_{1,2}$21,2+and $ 4^{+}_{1}$41+states was observed in all nuclei under study. Reduced E2 matrix elements coupling populated yrast and non-yrast states were extracted, including their relative signs. These are a sensitive probe of shape coexistence and may be used to validate nuclear models. The experimental results are discussed in terms of mixing of two different configurations and are compared with three different model calculations: the Beyond Mean Field model, the Interacting Boson Model with configuration mixing and the General Bohr Hamiltonian. Partial agreement with experiment was observed, hinting to missing ingredients in the theoretical descriptions. ispartof: The European Physical Journal A - Hadrons and Nuclei vol:55 issue:8 pages:130-130 status: published
- Subjects :
- Moments
Intruder
01 natural sciences
MOMENTS
Nuclear Experiment
Physics
education.field_of_study
Yrast
Bohr model
LIFETIMES
ddc
Mean field theory
symbols
Física nuclear
Atomic physics
ydinfysiikka
Configuration
Nuclear and High Energy Physics
ELECTRIC-MONOPOLE TRANSITIONS
Population
Electric-monopole transitions
DEFORMED BANDS
Lifetimes
Coulomb excitation
NUCLEAR
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
114 Physical sciences
symbols.namesake
Isomerism
SHAPE COEXISTENCE
0103 physical sciences
Nuclear fusion
Nuclear Physics - Experiment
Neutron
Nuclear
010306 general physics
education
CONFIGURATION
Deformed bands
010308 nuclear & particles physics
INTRUDER
Shape coexistence
2207 Física Atómica y Nuclear
Decay
Physics and Astronomy
13. Climate action
ISOMERISM
Interacting boson model
DECAY
Subjects
Details
- ISSN :
- 14346001 and 1434601X
- Database :
- OpenAIRE
- Journal :
- E-Prints Complutense. Archivo Institucional de la UCM, instname, Arias Montano. Repositorio Institucional de la Universidad de Huelva, Eur.Phys.J.A, Eur.Phys.J.A, 2019, 55 (8), pp.130. ⟨10.1140/epja/i2019-12815-2⟩, European Physical Journal A, European Physical Journal A, EDP Sciences, 2019, 55 (8), pp.130. ⟨10.1140/epja/i2019-12815-2⟩, Wrzosek-lipska, K, Rezynkina, K, Bree, N, Zielińska, M, Gaffney, L P, Petts, A, Andreyev, A, Bastin, B, Bender, M, Blazhev, A, Bruyneel, B, Butler, P A, Carpenter, M P, Cederkäll, J, Clément, E, Cocolios, T E, Deacon, A N, Diriken, J, Ekström, A, Fitzpatrick, C, Fraile, L M, Fransen, C, Freeman, S J, García-ramos, J E, Geibel, K, Gernhäuser, R, Grahn, T, Guttormsen, M, Hadinia, B, Hadyńska-klȩk, K, Hass, M, Heenen, P, Herzberg, R, Hess, H, Heyde, K, Huyse, M, Ivanov, O, Jenkins, D G, Julin, R, Kesteloot, N, Kröll, T, Krücken, R, Larsen, A C, Lutter, R, Marley, P, Napiorkowski, P J, Orlandi, R, Page, R D, Pakarinen, J, Patronis, N, Peura, P J, Piselli, E, Próchniak, L, Rahkila, P, Rapisarda, E, Reiter, P, Robinson, A P, Scheck, M, Siem, S, Singh Chakkal, K, Smith, J F, Srebrny, J, Stefanescu, I, Tveten, G M, Van Duppen, P, Van De Walle, J, Voulot, D, Warr, N, Wiens, A & Wood, J L 2019, ' Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg ', The European Physical Journal A: Hadrons and Nuclei, vol. 55, no. 8 . https://doi.org/10.1140/epja/i2019-12815-2, The European Physical Journal A, The European Physical Journal A, Springer, 2019, 55 (8), pp.130. ⟨10.1140/epja/i2019-12815-2⟩, E-Prints Complutense: Archivo Institucional de la UCM, Universidad Complutense de Madrid, EUROPEAN PHYSICAL JOURNAL A
- Accession number :
- edsair.doi.dedup.....f66a61932fe49c4c41d49596944286eb