Title: Study of the neutron deficient Pb182-190 isotopes by simultaneous atomic- and nuclear-spectroscopy
Authors: Seliverstov, M ×
Andreyev, Andrei
Barre, N
De Witte, Hilde
Fedorov, D
Fedoseyev, V
Franchoo, S
Genevey, J
Huber, G
Huyse, Marc
Koster, U
Kunz, P
Lesher, S
Marsh, B
Roussiere, B
Sauvage, J
Van Duppen, Piet
Volkov, Yu #
Issue Date: Jul-2006
Publisher: Springer
Series Title: Hyperfine Interactions vol:171 issue:1-3 pages:225-231
Abstract: Mean-square charge radii and magnetic moments have been measured for the neutron deficient lead isotopes, Pb182-190. The measurement was performed at the ISOLDE online mass separator, using the in-source resonance ionization spectroscopy technique. The wavelength of the first excitation step for the resonance ionization laser ion source (RILIS) was scanned over the resonance(s) whilst the alpha- and gamma-ray spectra from the decay of the Pb isotopes were recorded as a function of the wavelength. The isotope shift and, in the case of odd-A isotopes, the hyperfine splitting were deduced. The rms-charge radii of the very neutron deficient Pb isotopes follow the smooth trend of the heavier isotopes. This finding indicates a spherical shape for the lead ground states at the neutron mid-shell (N = 104), where the excitation energy of the oblate 0(+) state in the even isotopes reaches its minimum.
ISSN: 0304-3843
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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