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

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.
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Submitted on : Thursday, November 6, 2014 - 3:56:34 PM
Last modification on : Tuesday, April 16, 2019 - 10:24:06 AM

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C. Bohm, C. Borgmann, G. Audi, D. Beck, K. Blaum, et al.. Evolution of nuclear ground-state properties of neutron-deficient isotopes around Z=82 from precision mass measurements. Physical Review C, American Physical Society, 2014, pp.044307. ⟨10.1103/PhysRevC.90.044307⟩. ⟨in2p3-01080982⟩

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