Title: Charge radii of odd-A 191–211Po isotopes
Authors: Seliverstov, Maxim ×
Cocolios, Thomas Elias
Dexters, W.
Andreyev, Andrei
Antalic, S.
Barzakh, A.E.
Bastin, Beyhan
Büscher, Jeroen
Darby, I.G.
Fedorov, D.V.
Fedoseyev, V.N.
Flanagan, K.T.
Franchoo, S.
Fritzsche, S.
Huber, G.
Huyse, Mark
Keupers, M.
Köster, U.
Kudryavtsev, Yuri
Marsh, B.A.
Molkanov, P.L.
Page, R.D.
Sjödin, A.M.
Stefan, I.
Van de Walle, J.
Van Duppen, Piet
Venhart, Martin
Zemlyanoy, S.G. #
Issue Date: Feb-2013
Series Title: Physics Letters B vol:719 issue:4-5 pages:362-366
Abstract: Isotope shifts have been measured for the odd-A polonium isotopes 191–211Po and changes in the nuclear mean square charge radii δr2 have been deduced. The measurements were performed at CERN-ISOLDE using the in-source resonance-ionization spectroscopy technique. The combined analysis of these data and our recent results for even-A polonium isotopes indicates an onset of deformation already at 197,198Po, when going away from stability. This is significantly earlier than was suggested by previous theoretical and experimental studies of the polonium isotopes. Moreover and in contrast to the mercury isotopes, where a strong odd–even staggering of the charge radii of the ground states was observed by approaching the neutron mid-shell at N = 104, no such effect is present in polonium down to 191Po. Consequently the charge radii of both isomeric and ground states of the odd-A polonium isotopes follow the same trend as the even-A isotopes.
ISSN: 0370-2693
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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