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1.
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Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of $^{182}$Hg, $^{184}$Hg, $^{186}$Hg and $^{188}$Hg
/ Wrzosek-Lipska, K (Warsaw U., Heavy Ion Lab ; Leuven U.) ; Rezynkina, K (Leuven U. ; U. Strasbourg) ; Bree, N (Leuven U.) ; Zielińska, M (Warsaw U., Heavy Ion Lab ; IRFU, Saclay) ; Gaffney, L P (Liverpool U. ; Leuven U. ; CERN ; West Scotland U.) ; Petts, A (Liverpool U.) ; Andreyev, A (Leuven U. ; York U., England) ; Bastin, B (Leuven U. ; GANIL) ; Bender, M (Lyon, IPN) ; Blazhev, A (Cologne U.) et al.
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. [...]
2019 - 23 p.
- Published in : Eur. Phys. J. A 55 (2019) 130
Fulltext (Open Access version from publisher): PDF;
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2.
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Coulomb excitation of (31)Mg
/ Seidlitz, M ; Mucher, D ; Reiter, P ; Bildstein, V ; Blazhev, A ; Bree, N ; Bruyneel, B ; Cederkall, J ; Clement, E ; Davinson, T et al.
/MINIBALL ; REX-ISOLDE
The ground state properties of 31 Mg indicate a change of nuclear shape at N=19 with a deformed Jπ=1/2+ intruder state as a ground state, implying that 31 Mg is part of the “island of inversion”. The collective properties of excited states were the subject of a Coulomb excitation experiment at REX-ISOLDE, CERN, employing a radioactive 31 Mg beam. [...]
2011 - 6 p.
- Published in : Phys. Lett. B 700 (2011) 181-186
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3.
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$^{97}_{37}$Rb$_{60}$: The Cornerstone of the Region of Deformation around $A\sim 100$
/ Sotty, C (CSNSM, Orsay ; Leuven U.) ; Zielińska, M (Warsaw U., Heavy Ion Lab ; IRFU, SPhN, Saclay) ; Georgiev, G (CSNSM, Orsay) ; Balabanski, D L (Bucharest, IFIN-HH) ; Stuchbery, A E (Australian Natl. U., Canberra (main)) ; Blazhev, A (Cologne U.) ; Bree, N (Leuven U.) ; Chevrier, R (CEA DAM) ; Das Gupta, S (U. Camerino, Dept. Phys. ; INFN, Perugia) ; Daugas, J M (CEA DAM) et al.
Excited states of the neutron-rich nuclei Rb97,99 were populated for the first time using the multistep Coulomb excitation of radioactive beams. Comparisons of the results with particle-rotor model calculations provide clear identification for the ground-state rotational band of Rb97 as being built on the πg9/2 [431] 3/2+ Nilsson-model configuration. [...]
2015 - 6 p.
- Published in : Phys. Rev. Lett.
- Published in : Phys. Rev. Lett.
APS Open Access article: PDF; Publisher’s Note: PDF;
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4.
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Shape Coexistence in the Neutron-Deficient Even-Even $^{182-188}$Hg Isotopes Studied via Coulomb Excitation
/ Bree, N (KU Leuven, Dept. Phys. Astron.) ; Wrzosek-Lipska, K (KU Leuven, Dept. Phys. Astron.) ; Petts, A (U. Liverpool (main)) ; Andreyev, A (KU Leuven, Dept. Phys. Astron.) ; Bastin, B (KU Leuven, Dept. Phys. Astron. ; GANIL) ; Bender, M (CENBG, Gradignan) ; Blazhev, A (Cologne U.) ; Bruyneel, B (Cologne U.) ; Butler, P A (U. Liverpool (main)) ; Butterworth, J et al.
Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182-188 were extracted. [...]
2014 - 5 p.
- Published in : Phys. Rev. Lett. 112 (2014) 162701
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5.
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Coulomb excitation of $^{29,30}$Na: Mapping the borders of the island of inversion
/ Seidlitz, M (Cologne U.) ; Reiter, P (Cologne U.) ; Altenkirch, R (Cologne U.) ; Bastin, B (KU Leuven, Dept. Phys. Astron.) ; Bauer, C (Darmstadt, Tech. Hochsch.) ; Blazhev, A (Cologne U.) ; Bree, N (KU Leuven, Dept. Phys. Astron.) ; Bruyneel, B (Cologne U.) ; Butler, P A (Liverpool U.) ; Cederkäll, J (Lund U.) et al.
Nuclear shell evolution in neutron-rich Na nuclei around N=20 was studied by determining reduced transition probabilities, i.e., B(E2) and B(M1) values, in order to map the border of the island of inversion. To this end Coulomb-excitation experiments, employing radioactive 29,30Na beams with a final beam energy of 2.85 MeV/nucleon, were performed at REX-ISOLDE, CERN. [...]
2014 - 10 p.
- Published in : Phys. Rev. C 89 (2014) 024309
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6.
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Collectivity in the light radon nuclei measured directly via Coulomb excitation
/ Gaffney, L.P. (Leuven U. ; Liverpool U.) ; Robinson, A.P. (York U., England ; Manchester U.) ; Jenkins, D.G. (York U., England) ; Andreyev, A.N. (Leuven U. ; York U., England ; JAEA, Ibaraki) ; Bender, M. (CENBG, Gradignan) ; Blazhev, A. (Cologne U.) ; Bree, N. (Leuven U.) ; Bruyneel, B. (Cologne U.) ; Butler, P.A. (Liverpool U.) ; Cocolios, T.E. (CERN ; Manchester U.) et al.
Background: Shape coexistence in heavy nuclei poses a strong challenge to state-of-the-art nuclear models, where several competing shape minima are found close to the ground state. A classic region for investigating this phenomenon is in the region around $Z=82$ and the neutron mid-shell at $N=104$. [...]
arXiv:1503.03245.-
2015-06-22 - 11 p.
- Published in : Phys. Rev. C 91 (2015) 064313
External link: Preprint
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7.
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Coulomb excitation of In-107
/ DiJulio, D.D (Lund U.) ; Albers, M (Cologne U.) ; Bildstein, V (Munich, Tech. U.) ; Blazhev, A (Cologne U.) ; Cederkall, J (Lund U.) ; Darby, I (Leuven U.) ; Davinson, T (Edinburgh U., Inst. Astron.) ; De Witte, H (Leuven U.) ; Diriken, J (Leuven U ; SCK-CEN, Mol) ; Ekstrom, A (Oslo U.) et al.
2013 - 4 p.
- Published in : Phys. Rev. C 87 (2013) 017301
APS published version, local copy: PDF;
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8.
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Excitation strengths in $^{109}$Sn : Single-neutron and collective excitations near $^{100}$Sn
/ DiJulio, D D (Lund U.) ; Cederkall, J (Lund U.) ; Fahlander, C (Lund U.) ; Ekstrom, A (Oslo U.) ; Hjorth-Jensen, M (Oslo U. ; Michigan State U., NSCL ; Michigan State U.) ; Albers, M (Cologne U.) ; Bildstein, V (Munich, Tech. U.) ; Blazhev, A (Cologne U.) ; Darby, I (Leuven U.) ; Davinson, T (Edinburgh U., Inst. Astron.) et al.
2012 - 5 p.
- Published in : Phys. Rev. C 86 (2012) 031302
APS Published version, local copy: PDF;
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9.
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Coulomb excitation of neutron-rich $^{32, 33}$Mg nuclei with MINIBALL at HIE-ISOLDE
/ Reiter, Peter (Institut für Kernphysik, Universität Köln, Germany) ; Seidlitz, M (Institut für Kernphysik, Universität Köln, Germany) ; Siebeck, B (Institut für Kernphysik, Universität Köln, Germany) ; Blazhev, A (Institut für Kernphysik, Universität Köln, Germany) ; Geibel, K (Institut für Kernphysik, Universität Köln, Germany) ; Warr, N (Institut für Kernphysik, Universität Köln, Germany) ; Wendt, A (Institut für Kernphysik, Universität Köln, Germany) ; Van Duppen, P (Leuven U.) ; Wrzosek-Lipska, K (Leuven U.) ; Kesteloot, N (Leuven U.) et al.
CERN-INTC-2012-045 ; INTC-P-346.
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2012.
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10.
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Coulomb excitation of doubly magic $^{132}$Sn with MINIBALL at HIE-ISOLDE
/ Reiter, Peter (Institut für Kernphysik, Universität Köln, Germany) ; Siebeck, B (Institut für Kernphysik, Universität Köln, Germany) ; Seidlitz, M (Institut für Kernphysik, Universität Köln, Germany) ; Blazhev, A (Institut für Kernphysik, Universität Köln, Germany) ; Geibel, K (Institut für Kernphysik, Universität Köln, Germany) ; Warr, N (Institut für Kernphysik, Universität Köln, Germany) ; Wendt, A (Institut für Kernphysik, Universität Köln, Germany) ; Van Duppen, P (Leuven U.) ; Wrzosek-Lipska, K (Leuven U.) ; Kesteloot, N (Leuven U.) et al.
CERN-INTC-2012-044 ; INTC-P-345.
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2012.
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