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Ren, YJ; Ren, ZZ; Ren, YJ (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
HALF-LIVES OF THIRTEEN DOUBLE beta(-)-DECAY CANDIDATES WITH TWO NEUTRINOS
Source PublicationROMANIAN JOURNAL OF PHYSICS
Language英语
KeywordDouble-beta Decay New Candidates Of Emitters Systematics Law Of Half-lives
AbstractDouble beta(-)-decay with two neutrinos is one of the important decay modes for an unstable nucleus which can spontaneously change into a stable nucleus. It is also a very complex decay process where three kinds of interactions, the strong interaction, the Coulomb interaction, and the weak interaction, are involved. Recently we have made a systematic analysis on the experimental data of nuclear double beta(-)-decay and proposed that there is a law between the logarithm of double beta(-)-decay half-lives and the reciprocal of the decay energy. This is a simple and accurate law for half-lives of the double beta(-)-decay. We use this law to predict the half-lives of the double beta(-)-decay candidates where the mass number of parent nuclei ranges from A=70 (Zn-70) to A = 204 (Hg-204). Numerical results of the half-lives show that Ce-142 is a very interesting candidate for future experiments to search new emitters of the double beta(-)-decay. We also compare the half-lives of double beta(-)-decay and alpha-decay for Ce-142 where its decay energies of two modes are close and find that double beta(-)-decay dominates in this case although double beta(-)-decay is a second order process of the weak interaction. The branching ratios between double beta(-)-decay and alpha-decay are listed for the candidates of double beta(-)-decay.
2015
Volume60Issue:5-6Pages:792-798
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21125
Collection理论物理所科研产出_SCI论文
Corresponding AuthorRen, YJ (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Ren, YJ,Ren, ZZ,Ren, YJ . HALF-LIVES OF THIRTEEN DOUBLE beta(-)-DECAY CANDIDATES WITH TWO NEUTRINOS[J]. ROMANIAN JOURNAL OF PHYSICS,2015,60(5-6):792-798.
APA Ren, YJ,Ren, ZZ,&Ren, YJ .(2015).HALF-LIVES OF THIRTEEN DOUBLE beta(-)-DECAY CANDIDATES WITH TWO NEUTRINOS.ROMANIAN JOURNAL OF PHYSICS,60(5-6),792-798.
MLA Ren, YJ,et al."HALF-LIVES OF THIRTEEN DOUBLE beta(-)-DECAY CANDIDATES WITH TWO NEUTRINOS".ROMANIAN JOURNAL OF PHYSICS 60.5-6(2015):792-798.
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