Nuclear deformation and the two-neutrino double- β decay in 124, 126Xe , 128, 130Te , 130, 132Ba and 150Nd isotopes

被引：0
|
作者：
S. Singh
R. Chandra
P. K. Rath
P. K. Raina
J. G. Hirsch
机构：
[1] University of Lucknow,Department of Physics
[2] IIT,Department of Physics and Meteorology
[3] Universidad Nacional Autónoma de México,Instituto de Ciencias Nucleares
来源：
The European Physical Journal A | 2007年 / 33卷
关键词：
23.40.Hc Relation with nuclear matrix elements and nuclear structure; 21.60.Jz Hartree-Fock and random-phase approximations; 23.20.-g Electromagnetic transitions; 27.60.+j 90 ⩽ ; ⩽ 149 ;
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摘要：
The two-neutrino double-beta decay of 124, 126Xe , 128, 130Te , 130, 132Ba and 150Nd isotopes is studied in the Projected Hartree-Fock-Bogoliubov (PHFB) model. Theoretical 2ν β-β- half-lives of 128, 130Te , and 150Nd isotopes, and 2ν β+β+ , 2ν β+EC and 2ν ECEC for 124, 126Xe and 130, 132Ba nuclei are presented. Calculated quadrupolar transition probabilities B(E2 : 0+ → 2+) , static quadrupole moments and g -factors in the parent and daughter nuclei reproduce the experimental information, validating the reliability of the model wave functions. The anticorrelation between nuclear deformation and the nuclear transition matrix element M2ν is confirmed.
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页码：375 / 388
页数：13
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