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g factor of the $^{44}$Cl ground state: Probing the reduced Z = 16 and N = 28 gaps

M. de Rydt 1 J.M. Daugas 2 F. de Oliveira Santos 3 L. Gaudefroy 2 S. Grévy 3 D. Kameda 4 V. Kumar 5 Radomira Lozeva 1 T. J. Mertzimekis 6 P. Morel 2 T. Nagatomo 4 G. Neyens 1 L. Perrot 7 O. Sorlin 3 C. Stodel 3 J.C. Thomas 3 N. Vermeulen 1 P. Vingerhoets 1
1 IKS - Instituut voor Kern-en Stralingsfysica
2 DAM/DIF - DAM Île-de-France
3 GANIL - Grand Accélérateur National d'Ions Lourds
4 RIKEN Nishina Center (for Accelerator-Based Science)
5 Weizmann Institute of Science [Rehovot, Israël]
6 University of Ioannina
7 IPNO - Institut de Physique Nucléaire d'Orsay
Abstract : The g factor of the 44Cl ground state is measured at the LISE fragment separator at the Grand Accélérateur National d'Ions Lourds (GANIL) using the β nuclear magnetic resonance technique, resulting in g(44Cl) = (−)0.2749(2). An analysis of the g factor value and of the theoretical level scheme in the shell-model framework reveals the presence of odd-proton s1/2 configurations and neutron excitation across the N = 28 shell gap in the ground state of 44Cl. In addition, the measured g factor strongly supports a 2− spin assignment for the 44Cl ground state.
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http://hal.in2p3.fr/in2p3-00467283
Contributor : Michel Lion <>
Submitted on : Friday, March 26, 2010 - 1:00:14 PM
Last modification on : Tuesday, November 24, 2020 - 2:10:04 PM

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M. de Rydt, J.M. Daugas, F. de Oliveira Santos, L. Gaudefroy, S. Grévy, et al.. g factor of the $^{44}$Cl ground state: Probing the reduced Z = 16 and N = 28 gaps. Physical Review C, American Physical Society, 2010, 81, pp.034308. ⟨10.1103/PhysRevC.81.034308⟩. ⟨in2p3-00467283⟩

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