Abstract
Lifetime measurements have been made in the neutron-deficient nucleus Te using the coincident recoil distance Doppler-shift method. The experimental values have been compared with state-of-the-art shell-model calculations using the monopole-corrected realistic charge-dependent Bonn nucleon-nucleon potential. Lifetimes in the band are consistent with an interpretation based on the deformation driving properties of a single valence neutron outside of the even-even tellurium core and highlight the unexpected presence of collective behavior as the shell closure is approached. Lifetime measurements for the low-lying positive-parity states also appear to correlate well with shell-model calculations. In addition, a comparison with the proton-unbound nucleus I suggests that the presence of a single decoupled valence proton affects the total measured strengths in a manner that is not currently well understood.
2 More- Received 2 August 2012
DOI:https://doi.org/10.1103/PhysRevC.86.034308
©2012 American Physical Society