Abstract
The -decay half-lives of 94 neutron-rich nuclei , , , , , , , , , , , , , and two isomeric states , were measured at the Radioactive Isotope Beam Factory, providing a new experimental basis to test theoretical models. Strikingly large drops of -decay half-lives are observed at neutron-number for , , , and , and for , , , and . Features in the data mirror the interplay between pairing effects and microscopic structure. -process network calculations performed for a range of mass models and astrophysical conditions show that the 57 half-lives measured for the first time play an important role in shaping the abundance pattern of rare-earth elements in the solar system.
- Received 29 September 2016
- Corrected 22 March 2018
DOI:https://doi.org/10.1103/PhysRevLett.118.072701
© 2017 American Physical Society
Physics Subject Headings (PhySH)
Corrections
22 March 2018