Signature of the Z=82 shell closure in -decay process

Andreyev, A. N.*; Huyse, M.*; Van Duppen, P.*; Qi, C.*; Liotta, R. J.*; Antalic, S.*; Ackermann, D.*; Franchoo, S.*; Heberger, F. P.*; Hofmann, S.*; et al.

Physical Review Letters, 110(24), p.242502_1 - 242502_5, 2013/06

https://doi.org/10.1103/PhysRevLett.110.242502

-decay data for more than 20 nuclei of the most neutron-deificient isotopes in the region from lead to thorium was obtained. The combined analysis allowed us for the first time to clearly show that crossing the Z=82 shell to higher proton numbers strongly accelerates the decay. The analysis support the conjecture that both the N=126 and Z=82 shell closures stongly influence the -formation probability.