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Electromagnetic moments of scandium isotopes and $N=28$ isotones in the distinctive $0f_{7/2}$ orbit
/ Bai, S.W. (Peking U., SKLNPT) ; Koszorús, Á. (Leuven U. ; Liverpool U.) ; Hu, B.S. (Peking U., SKLNPT ; TRIUMF) ; Yang, X.F. (Peking U., SKLNPT) ; Billowes, J. (Manchester U.) ; Binnersley, C.L. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Campbell, P. (Manchester U.) ; Cheal, B. (Liverpool U.) et al.
The electric quadrupole moment of $^{49}$Sc was measured by collinear laser spectroscopy at CERN-ISOLDE to be $Q_{\rm s}=-0.159(8)$$e$b, and a nearly tenfold improvement in precision was reached for the electromagnetic moments of $^{47,49}$Sc. The single-particle behavior and nucleon-nucleon correlations are investigated with the electromagnetic moments of $Z=21$ isotopes and $N=28$ isotones as valence neutrons and protons fill the distinctive $0f_{7/2}$ orbit, respectively, located between magic numbers, 20 and 28. [...]
arXiv:2203.09111.-
2022-04-02 - 8 p.
- Published in : Phys. Lett. B 829 (2022) 137064
Fulltext: Publication - PDF; 2203.09111 - PDF;
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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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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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Spin and magnetic moment of $^{23}$Mg
/ Yordanov, D T (Orsay, IPN ; Heidelberg, Max Planck Inst. ; CERN) ; Bissell, M L (Manchester U. ; Leuven U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; De Rydt, M (Leuven U.) ; Geppert, Ch (Darmstadt, Tech. Hochsch. ; Mainz U., Inst. Phys.) ; Krämer, J (Darmstadt, Tech. Hochsch. ; Mainz U., Inst. Phys.) ; Kreim, K (Heidelberg, Max Planck Inst.) ; Kowalska, M (Heidelberg, Max Planck Inst. ; CERN) ; Krieger, A (Mainz U., Inst. Phys.) ; Lievens, P (Leuven U.) et al.
A negative magnetic moment of $^{23}$Mg has been determined by collinear laser spectroscopy at CERN-ISOLDE. The absolute value is in agreement with previous measurements by nuclear magnetic resonance while the sign points at high-seniority configurations. [...]
2017 - 7 p.
- Published in : J. Phys. G 44 (2017) 075104
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Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes
/ Ruiz, R F Garcia (Leuven U. ; Manchester U.) ; Gorges, C (Darmstadt, Tech. Hochsch.) ; Bissell, M (Manchester U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Gins, W (Leuven U.) ; Heylen, H (Leuven U.) ; Koenig, K (Darmstadt, Tech. Hochsch.) ; Kaufmann, S (Darmstadt, Tech. Hochsch.) ; Kowalska, M (CERN) ; Krämer, J (Darmstadt, Tech. Hochsch.) et al.
An experimental setup for sensitive high-resolution measurements of hyperfine structure spectra of exotic calcium isotopes has been developed and commissioned at the COLLAPS beam line at ISOLDE, CERN. The technique is based on the radioactive detection of decaying isotopes after optical pumping and state selective neutralization (ROC) (Vermeeren et al 1992 Phys. [...]
2017 - 19 p.
- Published in : J. Phys. G 44 (2017) 044003
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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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Cu charge radii reveal a weak sub-shell effect at N=40
/ Bissell, M L (Leuven U. ; Manchester U.) ; Carette, T (U. Brussels (main)) ; Flanagan, K T (Leuven U. ; Orsay, IPN ; Manchester U.) ; Vingerhoets, P (Leuven U.) ; Billowes, J (Manchester U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Manchester U. ; U. Liverpool (main)) ; Fritzsche, S (Helmholtz Inst., Jena ; Jena U., TPI) ; Godefroid, M (Brussels U.) ; Kowalska, M (CERN) et al.
Collinear laser spectroscopy on Cu58–75 isotopes was performed at the CERN-ISOLDE radioactive ion beam facility. In this paper we report on the isotope shifts obtained from these measurements. [...]
2016 - 7 p.
- Published in : Phys. Rev. C 93 (2016) 064318
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Frequency-comb based collinear laser spectroscopy of Be for nuclear structure investigations and many-body QED tests
/ Krieger, A ; Nörtershäuser, W ; Geppert, Ch ; Blaum, K ; Bissell, M L ; Frömmgen, N ; Hammen, M ; Kreim, K ; Kowalska, M (CERN) ; Krämer, J et al.
Absolute transition frequencies of the $2s\,^2{\rm{S}}_{1/2}$ $\rightarrow$ $2p\,^2{\rm{P}}_{1/2,3/2}$ transitions in Be$^+$ were measured with a frequency comb in stable and short-lived isotopes at ISOLDE (CERN) using collinear laser spectroscopy. Quasi-simultaneous measurements in copropagating and counterpropagating geometry were performed to become independent from acceleration voltage determinations for Doppler-shift corrections of the fast ion beam. [...]
arXiv:1609.07655.-
2017 - 28 p.
- Published in : Appl. Phys. B 123 (2017) 15
External link: Preprint
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