Author(s)
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Farooq-Smith, G J (KU Leuven, Dept. Phys. Astron. ; Manchester U.) ; Vernon, A R (Manchester U.) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Bissell, M L (Manchester U.) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron. ; Manchester U.) ; Day Goodacre, T (Manchester U. ; CERN) ; de Groote, R P (KU Leuven, Dept. Phys. Astron.) ; Flanagan, K T (Manchester U.) ; Franchoo, S (Orsay, IPN) ; Garcia Ruiz, R F (KU Leuven, Dept. Phys. Astron. ; Manchester U.) ; Gins, W (KU Leuven, Dept. Phys. Astron.) ; Lynch, K M (CERN) ; Marsh, B A (CERN) ; Neyens, G (KU Leuven, Dept. Phys. Astron.) ; Rothe, S (Manchester U. ; CERN) ; Stroke, H H (New York U.) ; Wilkins, S G (Manchester U.) ; Yang, X F (KU Leuven, Dept. Phys. Astron.) |
Abstract
| Magnetic-dipole and electric-quadrupole moments for $^{65,67,69,75,79–82}\mathrm{Ga}$ are reported using the Collinear Resonance Ionization Spectroscopy (CRIS) technique at the ISOLDE facility, CERN. The moments of $^{65}\mathrm{Ga}$ have been measured for the first time: $\mu =+1.775(3)\mu_N$ and $Q_s=+21.0(15)e\mathrm{fm}2$. These results are compared to shell-model calculations using the GXPF1 and JUN45 interactions and the trends of the moments approaching the region of the doubly magic $^{56}\mathrm{Ni}$ are discussed. Additionally, new values for the change in mean-square charge radii for $^{65}\mathrm{Ga}$ and $^{67}\mathrm{Ga}$ allow investigation into the odd-even staggering in the region below $N=40$. |