Open AccessTheoretical Studies of Rare-Earth Nuclei Leading to 50Sn-Daughter Products and the Associated Shell Effects
Author(s) -
S. Kumar
Publication year - 2012
Publication title -
ukrainian journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 17
eISSN - 2071-0194
pISSN - 2071-0186
DOI - 10.15407/ujpe57.5.493
Subject(s) - daughter , physics , cluster (spacecraft) , magic (telescope) , neutron , cluster decay , shell (structure) , decay product , atomic physics , nuclear physics , materials science , fission , astrophysics , biology , radon , evolutionary biology , computer science , composite material , programming language
Cluster decays of rare-earth nuclei are studied with regard for neutron magic shells for 50Sn nucleus as a daughter product always. The 100Sn and 132Sn radioactivities are studied to find the most probable cluster decays and the possibility, if any, of new neutron shells. For a wide range of parent nuclei considered here (from Ba to Pt), 12C and 78Ni from the 112Ba and 210Pt parents, respectively, are predicted to be the most probable clusters (minimum decay half-life) referring to100Sn and 132Sn daughters. The 22Mg decay of 122Sm is indicated at the second best possibilty for the 100Sn-daughter decay. In addition to these well-known magic shells (Z = 50, N = 50 and 82), a new magic shell at Z = 50, N = 66 (116Sn daughter) is indicated for the 64Ni decay from the 180Pt parent.