Evolution of nuclear ground-state properties of neutron-deficient isotopes around Z=82 from precision mass measurements

Date
2014
Author
Eliseev, S.
Boehm, Ch.
Borgmann, Ch.
Audi, G.
Beck, D.
Blaum, K.
Breitenfeldt, M.
Cocolios, T. E.
George, S.
Herfurth, F.
Herlert, A.
Kowalska, M.
Kreim, S.
Lunney, D.
Manea, V.
Ramirez, E. Minaya
Naimi, S.
Neidherr, D.
Rosenbusch, M.
Schweikhard, L.
Stanja, J.
Wang, M.
Wolf, R. N.
Zuber, K.
Cakirli, R. B.
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Abstract
High-precision mass measurements of neutron-deficient Tl (A = 184, 186, 190, 193-195, 198) isotopes as well as Pb (A = 202, 208), Fr (A = 207, 208), and Ra (A = 224) are performed with the Penning-trap mass spectrometer ISOLTRAP at ISOLDE/CERN. The improved precision of the mass data now allows the study of subtle odd-even effects. The gradual development of collectivity with the removal of protons from the magic Z = 82 core is analyzed by combining the new mass results with nuclear charge-radii data and mean-field model predictions.
URI
http://hdl.handle.net/20.500.12627/55565
https://doi.org/10.1103/physrevc.90.044307
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