Abstract
The hyperfine coupling constants of neutron deficient were deduced from the atomic hyperfine spectrum of the transition, measured using the bunched-beam collinear laser spectroscopy technique. The low-energy beam was produced by projectile-fragmentation reactions followed by gas stopping, and used for the first time for laser spectroscopy. Ground state magnetic-dipole and electric-quadrupole moments were determined as and , respectively. The multiconfiguration Dirac-Fock method was used to calculate the electric field gradient to deduce from the quadrupole hyperfine coupling constant, since the quadrupole coupling constant has not been determined for any Fe isotopes. Both experimental values agree well with nuclear shell model calculations using the GXPF1A effective interaction performed in a full shell model space, which support the soft nature of the nucleus.
- Received 22 September 2017
DOI:https://doi.org/10.1103/PhysRevC.96.054314
©2017 American Physical Society