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Coulomb excitation of Zn74,76
/ ISOLDE Collaboration
The first experiment using radioactive beams post-accelerated by the HIE-ISOLDE facility has enabled to obtain a precise set of B(E2) transition probabilities in neutron-rich Zn74,76 isotopes. The resulting B(E2; 21+→01+) values are consistent with those determined in earlier REX-ISOLDE measurements. [...]
2023 - 17 p.
- Published in : Phys. Rev. C 108 (2023) 044305
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2.
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Microscopic structure of coexisting $0^+$ states in $^{68}$Ni probed via two-neutron transfer
/ Flavigny, F (Orsay, IPN ; KU Leuven, Dept. Phys. Astron.) ; Elseviers, J (KU Leuven, Dept. Phys. Astron.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Bauer, C (Darmstadt, Tech. Hochsch.) ; Bildstein, V (Guelph U.) ; Blazhev, A (Cologne U.) ; Brown, B A (Michigan State U., NSCL) ; De Witte, H (KU Leuven, Dept. Phys. Astron.) ; Diriken, J (KU Leuven, Dept. Phys. Astron. ; SCK-CEN, Mol) ; Fedosseev, V N (CERN) et al.
The structure of low-spin states originating from shape-coexisting configurations in $^{68}_{40}$Ni$_{28}$ was directly probed via the two-neutron transfer reaction $^{66}$Ni$(t,p)^{68}$Ni in inverse kinematics using a radioactive ion beam on a radioactive target. The direct feeding to the first excited 0$^+$ state was measured for center-of-mass angles 4°–16° and amounts to an integral of 4.2(16)% relative to the ground state. [...]
2019 - 6 p.
- Published in : Phys. Rev. C 99 (2019) 054332
Article from SCOAP3: PDF;
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3.
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Nuclear charge radii of $^{62−80}$Zn and their dependence on cross-shell proton excitations
/ Xie, L (Manchester U.) ; Yang, X F (Peking U., SKLNPT ; Leuven U.) ; Wraith, C (Liverpool U.) ; Babcock, C (Liverpool U.) ; Bieroń, J (Jagiellonian U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Manchester U. ; Leuven U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Liverpool U.) ; Filippin, L (U. Brussels (main)) et al.
Nuclear charge radii of $^{62−80}$Zn have been determined using collinear laser spectroscopy of bunched ion beams at CERN-ISOLDE. The subtle variations of observed charge radii, both within one isotope and along the full range of neutron numbers, are found to be well described in terms of the proton excitations across the $Z=28$ shell gap, as predicted by large-scale shell model calculations. [...]
2019 - 5 p.
- Published in : Phys. Lett. B 797 (2019) 134805
Article from SCOAP3: PDF;
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4.
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Shape staggering of mid-shell mercury isotopes from in-source laser spectroscopy compared with Density Functional Theory and Monte Carlo Shell Model calculations
/ Sels, S. (KU Leuven, Dept. Phys. Astron.) ; Day Goodacre, T. (Manchester U. ; CERN) ; Marsh, B.A. (CERN) ; Pastore, A. (York U., England) ; Ryssens, W. (Lyon, IPN) ; Tsunoda, Y. (Tokyo U.) ; Althubiti, N. (Manchester U.) ; Andel, B. (Comenius U.) ; Andreyev, A.N. (York U., England ; JAEA, Ibaraki) ; Atanasov, D. (Heidelberg, Max Planck Inst.) et al.
Neutron-deficient $^{177-185}$Hg isotopes were studied using in-source laser resonance-ionization spectroscopy at the CERN-ISOLDE radioactive ion-beam facility, in an experiment combining different detection methods tailored to the studied isotopes. These include either alpha-decay tagging or Multi-reflection Time-of-Flight gating to identify the isotopes of interest. [...]
arXiv:1902.11211.-
2019-04-13 - 17 p.
- Published in : Phys. Rev. C 99 (2019) 044306
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5.
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Characterization of the shape-staggering effect in mercury nuclei
/ Marsh, B A (CERN) ; Day Goodacre, T (CERN ; Manchester U.) ; Sels, S (Leuven U.) ; Tsunoda, Y (Tokyo U., CNS) ; Andel, B (Comenius U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Althubiti, N A (Manchester U.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Barzakh, A E (St. Petersburg, INP) ; Billowes, J (Manchester U.) et al.
In rare cases, the removal of a single proton (Z) or neutron (N) from an atomic nucleus leads to a dramatic shape change. These instances are crucial for understanding the components of the nuclear interactions that drive deformation. [...]
2018 - 6 p.
- Published in : Nature Phys. 14 (2018) 1163-1167
Fulltext: PDF; External link: INTERACTIONS
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6.
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Investigating the large deformation of the $5/{2}^{+}$ isomeric state in $^{73}\mathrm{Zn}$: An indicator for triaxiality
/ Yang, X F (Peking U. ; KU Leuven, Dept. Phys. Astron.) ; Tsunoda, Y (Tokyo U., CNS) ; Babcock, C (Liverpool U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Manchester U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Liverpool U.) ; Flanagan, K T (Manchester U.) ; Garcia Ruiz, R F (Manchester U.) ; Gins, W (Leuven U.) et al.
Recently reported nuclear spins and moments of neutron-rich Zn isotopes measured at ISOLDE-CERN [C. Wraith et al., Phys. [...]
2018 - 8 p.
- Published in : Phys. Rev. C 97 (2018) 044324
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7.
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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
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8.
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Enhanced Quadrupole and Octupole Strength in Doubly Magic $^{132}$Sn
/ Rosiak, D. (Cologne U.) ; Seidlitz, M. (Cologne U.) ; Reiter, P. (Cologne U.) ; Naïdja, H. (Constantine U. ; Strasbourg, IPHC) ; Tsunoda, Y. (Tokyo U., CNS) ; Togashi, T. (Tokyo U., CNS) ; Nowacki, F. (Strasbourg, IPHC) ; Otsuka, T. (Michigan State U., NSCL ; KU Leuven, Dept. Phys. Astron. ; Tokyo U., CNS ; Tokyo U.) ; Colò, G. (INFN, Milan ; Milan U.) ; Arnswald, K. (Cologne U.) et al.
/MINIBALL ; HIE-ISOLDE
The first $2^+$ and $3^-$ states of the doubly magic nucleus $^{132}$Sn are populated via safe Coulomb excitation employing the recently commissioned HIE-ISOLDE accelerator at CERN in conjunction with the highly efficient MINIBALL array. The $^{132}$Sn ions are accelerated to an energy of 5.49 MeV/nucleon and impinged on a $^{206}$Pb target. [...]
2018-12-18 - 6 p.
- Published in : 10.1103/PhysRevLett.121.252501
Fulltext: PDF;
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9.
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Dipole and quadrupole moments of $^{73-78}$Cu as a test of the robustness of the $Z=28$ shell closure near $^{78}$Ni
/ de Groote, R.P. (KU Leuven, Dept. Phys. Astron.) ; Billowes, J. (Manchester U.) ; Binnersley, C.L. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Cocolios, T.E. (KU Leuven, Dept. Phys. Astron.) ; Day Goodacre, T. (CERN) ; Farooq-Smith, G.J. (KU Leuven, Dept. Phys. Astron.) ; Fedorov, D.V. (St. Petersburg, INP) ; Flanagan, K.T. (Manchester U.) ; Franchoo, S. (Orsay, IPN) et al.
Nuclear spins and precise values of the magnetic dipole and electric quadrupole moments of the ground-states of neutron-rich $^{76-78}$Cu isotopes were measured using the Collinear Resonance Ionization Spectroscopy (CRIS) experiment at ISOLDE, CERN. The nuclear moments of the less exotic $^{73,75}$Cu isotopes were re-measured with similar precision, yielding values that are consistent with earlier measurements. [...]
arXiv:1710.00025.-
2017-10-04 - 6 p.
- Published in : Phys. Rev. C 96 (2017) 041302
Fulltext: PhysRevC.96.041302 - PDF; arXiv:1710.00025 - PDF;
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10.
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Evolution of nuclear structure in neutron-rich odd-Zn isotopes and isomers
/ Wraith, C (Liverpool U.) ; Yang, X F (Leuven U.) ; Xie, L (Manchester U.) ; Babcock, C (Liverpool U.) ; Bieroń, J (Jagiellonian U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Leuven U. ; Manchester U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Liverpool U.) ; Filippin, L (Brussels U. ; Louvain U., CP3) et al.
Collinear laser spectroscopy was performed on Zn ( Z=30 ) isotopes at ISOLDE, CERN. The study of hyperfine spectra of nuclei across the Zn isotopic chain, N=33–49 , allowed the measurement of nuclear spins for the ground and isomeric states in odd- A neutron-rich nuclei up to N=50 . [...]
2017 - 7 p.
- Published in : Phys. Lett. B 771 (2017) 385-391
Article from SCOAP3: PDF;
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