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1.
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Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of $^{92}Kr$, $^{94}Kr$ and $^{96}Kr$
/ Albers, M (Cologne U.) ; Nomura, K (Cologne U.) ; Warr, N (Cologne U.) ; Blazhev, A (Cologne U.) ; Jolie, J (Cologne U.) ; Mücher, D (Munich, Tech. U.) ; Bastin, B (KU Leuven, FET) ; Bauer, C (Darmstadt, Tech. U.) ; Bernards, C (Yale U.) ; Bettermann, L (Cologne U.) et al.
We report on the study of excited states in $^{92,94,96}Kr$ populated via projectile Coulomb excitation at safe energies. The radioactive ion beams at energies of 2.85 MeV/u were delivered by the REX-ISOLDE facility at CERN and impinged on self-supporting $^{194,196}Pt$ targets. [...]
Elsevier, Elsevier, 2013 - 28 p.
- Published in : Nucl. Phys. A 899 (2013) 1-28
- Published in : Nucl. Phys. A 947 (2016) 260-262
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2.
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$\beta^-$ decay study of the $^{66}$Mn $-$ $^{66}$Fe $-$ $^{66}$Co $-$ $^{66}$Ni decay chain
/ Stryjczyk, M. (KU Leuven, Dept. Phys. Astron.) ; Tsunoda, Y. (Tokyo U., CNS) ; Darby, I.G. (KU Leuven, Dept. Phys. Astron.) ; De Witte, H. (KU Leuven, Dept. Phys. Astron.) ; Diriken, J. (KU Leuven, Dept. Phys. Astron.) ; Fedorov, D.V. (St. Petersburg, INP) ; Fedosseev, V.N. (CERN) ; Fraile, L.M. (UCM, Madrid, Dept. Phys.) ; Huyse, M. (KU Leuven, Dept. Phys. Astron.) ; Köster, U. (Laue-Langevin Inst.) et al.
Background: Shell evolution can impact the structure of the nuclei and lead to effects such as shape coexistence. The nuclei around $^{68}$Ni represent an excellent study case, however, spectroscopic information of the neutron-rich, $Z<28$ nuclei is limited. [...]
arXiv:1812.07510.-
2018-12-28 - 21 p.
- Published in : Phys. Rev. C 98 (2018) 064326
Fulltext: PDF;
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3.
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Shape coexistence studied in ${}^{\mathrm{182,184}}$Hg via the β decay of ${}^{\mathrm{182,184}}$Tl
/ Rapisarda, E (Leuven U. ; PSI, Villigen) ; Andreyev, A N (York U., England) ; Antalic, S (Comenius U.) ; Barzakh, A (St. Petersburg, INP) ; Cocolios, T E (Leuven U.) ; Darby, I G (Leuven U.) ; Groote, R De (Leuven U.) ; De Witte, H (Leuven U.) ; Diriken, J (Leuven U.) ; Elseviers, J (Leuven U.) et al.
The ${\beta }^{+}$/EC decay of ${}^{\mathrm{182,184}}$Tl to excited states in the daughter nuclei ${}^{\mathrm{182,184}}$Hg has been investigated at the CERN on-line isotope mass separator facility. In both Tl nuclei two β-decaying states were observed. [...]
2017 - 17 p.
- Published in : J. Phys. G 44 (2017) 074001
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4.
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Characterization of the low-lying 0$^{+}$ and 2$^{+}$ states in $^{68}$Ni via $\beta$ decay of the low-spin $^{68}$Co isomer
/ Flavigny, F ; Pauwels, D ; Radulov, D ; Darby, I J ; De Witte, H ; Diriken, J ; Fedorov, D V ; Fedosseev, V N (CERN) ; Fraile, L M ; Huyse, M et al.
The low-energy structure of the neutron-rich nucleus Ni68 has been investigated by measuring the β decay of the low-spin isomer in Co68 selectively produced in the decay chain of Mn68. A revised level scheme has been built based on the clear identification of β-γ-E0 delayed coincidences. [...]
2015 - 8 p.
- Published in : Phys. Rev. C 91 (2015) 034310
APS Open Access article: PDF;
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5.
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Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes
/ Kesteloot, N (KU Leuven, Dept. Phys. Astron. ; SCK-CEN, Mol) ; Bastin, B (KU Leuven, Dept. Phys. Astron. ; GANIL) ; Gaffney, L P (KU Leuven, Dept. Phys. Astron. ; Liverpool U.) ; Wrzosek-Lipska, K (KU Leuven, Dept. Phys. Astron. ; Warsaw U., Heavy Ion Lab) ; Auranen, K (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Bauer, C (Darmstadt, Tech. Hochsch.) ; Bender, M (CENBG, Gradignan) ; Bildstein, V (Munich, Tech. U.) ; Blazhev, A (Cologne U.) ; Bönig, S (Darmstadt, Tech. Hochsch.) et al.
Coulomb-excitation experiments are performed with postaccelerated beams of neutron-deficient Po196,198,200,202 isotopes at the REX-ISOLDE facility. A set of matrix elements, coupling the low-lying states in these isotopes, is extracted. [...]
2015 - 17 p.
- Published in : Phys. Rev. C 92 (2015) 054301
APS Open Access article: PDF;
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6.
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Experimental study of the $^{66}$Ni$(d,p)^{67}$Ni one-neutron transfer reaction
/ Diriken, J. (Leuven U. ; SCK-CEN, Mol) ; Patronis, N. (Ioannina U. ; Leuven U.) ; Andreyev, A.N. (JAERI, Tokai ; York U., England ; Leuven U.) ; Antalic, S. (Comenius U.) ; Bildstein, V. (Munich, Tech. U.) ; Blazhev, A. (U. Cologne) ; Darby, I.G. (Leuven U.) ; De Witte, H. (Leuven U.) ; Eberth, J. (U. Cologne) ; Elseviers, J. (Leuven U.) et al.
The quasi-SU(3) sequence of the positive parity $νg_{9/2}, d_{5/2}, s_{1/2}$ orbitals above the N=40 shell gap are assumed to induce strong quadrupole collectivity in the neutron-rich Fe (Z=26) and Cr (Z=24) isotopes below the nickel region. In this paper the position and strength of these single-particle orbitals are characterized in the neighborhood of $^{68}$Ni (Z=28,N=40) through the $^{66}$Ni($d,p$)$^{67}$Ni one-neutron transfer reaction at 2.95 MeV/nucleon in inverse kinematics, performed at the REX-ISOLDE facility in CERN. [...]
2015
- Published in : Phys. Rev. C 91 (2015) 054321
APS Open Access article: PDF;
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7.
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Study of the deformation-driving $\nu d_{5/2}$ orbital in $^{67}_{28}$Ni$_{39}$ using one-neutron transfer reactions
/ Diriken, J. (Leuven U. ; SCK-CEN, Mol) ; Patronis, N. (Ioannina U. ; Leuven U.) ; Andreyev, A.N. (JAERI, Tokai ; York U., England ; Leuven U.) ; Antalic, S. (Comenius U.) ; Bildstein, V. (Munich, Tech. U.) ; Blazhev, A. (U. Cologne) ; Darby, I.G. (Leuven U.) ; De Witte, H. (Leuven U.) ; Eberth, J. (U. Cologne) ; Elseviers, J. (Leuven U.) et al.
The $νg_{9/2} , d_{5/2}, s_{1/2}$ orbitals are assumed to be responsible for the swift onset of collectivity observed in the region below $^{68}$Ni. Especially the single-particle energies and strengths of these orbitals are of importance. [...]
2014
Elsevier Open Access article: PDF; Elsevier Open Access article (Erratum): PDF;
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8.
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Low-energy Coulomb excitation of $^{62}$Fe and $^{62}$Mn following in-beam decay of $^{62}$Mn
/ Gaffney, L P ; Van de Walle, J ; Bastin, B ; Bildstein, V ; Blazhev, A ; Bree, N ; Darby, I ; De Witte, H ; DiJulio, D ; Diriken, J et al.
Sub-barrier Coulomb-excitation was performed on a mixed beam of $^{62}$Mn and $^{62}$Fe, following in-trap $\beta^{-}$ decay of $^{62}$Mn at REX-ISOLDE, CERN. The trapping and charge breeding times were varied in order to alter the composition of the beam, which was measured by means of an ionisation chamber at the zero-angle position of the Miniball array. [...]
arXiv:1506.06672.-
2015 - 10 p.
- Published in : Eur. Phys. J. A A51 (2015) 136
External link: Preprint
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9.
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Electromagnetic moments of odd- A Po193–203,211 isotopes
/ Seliverstov, M D ; Cocolios, T E (CERN) ; Dexters, W ; Andreyev, A N ; Antalic, S ; Barzakh, A E ; Bastin, B ; Büscher, J ; Darby, I G ; Fedorov, D V et al.
Hyperfine splitting parameters have been measured for the neutron-deficient odd-mass polonium isotopes and isomers Po193–203g,m, Po209,211. The measurement was performed at the ISOLDE (CERN) online mass separator using the in-source resonance ionization spectroscopy technique. [...]
2014 - 10 p.
- Published in : Phys. Rev. C 89 (2014) 034323
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10.
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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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