Speaker
Andrea Jungclaus
(IEM-CSIC)
Description
With this proposal we intend to continue our experimental program to study neutron-rich nuclei in the region around doubly-magic 132Sn using in-beam γ-ray spectroscopy at relativistic energies, which we initiated with experiment NP1306-RIBF98R1 in 2015. In particular, we propose to study the octupole deformation of neutron-rich Ba isotopes by measuring the transition probabilities to the first excited 3- states, B(E3; 0+→3-), in 144,146,148,150Ba using the technique of intermediate-energy Coulomb excitation. The results of this experiment will allow to test the predictions of various microscopic calculations which establish the Ba isotopes as low-Z boarder of the region of octupole deformation above the Z=50 and N=82 shell closures.
Primary author
Andrea Jungclaus
(IEM-CSIC)
