Theoretical and experimental investigation of the double beta processes in Cd-106

被引：49
作者：
Barabash, AS
Umatov, VI
Gurriaran, R
Hubert, F
Hubert, P
Aunola, M
机构：
[1] CEN, IN2P3, CNRS, F-33175 GRADIGNAN, FRANCE
[2] UNIV BORDEAUX, F-33175 GRADIGNAN, FRANCE
[3] UNIV JYVASKYLA, DEPT PHYS, SF-40351 JYVASKYLA, FINLAND
来源：
NUCLEAR PHYSICS A | 1996年 / 604卷 / 02期
关键词：
radioactivity Cd-106(beta(+)beta(+); beta(+)EC; ECEC); measured T-1/2 limits; low-background Ge detector; quasiparticle RPA model calculations;
D O I：
10.1016/0375-9474(96)00138-8
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The double beta decay of Cd-106 to the ground and excited states of Pd-106 is investigated both theoretically and experimentally. The quasiparticle random-phase approximation approach is used for the two-neutrino decay mode calculations. Estimations show that detections of beta(+)EC decays to the ground state and 0(1)(+) excited state and ECEC(0(+) --> 0(1)(+)) transition could be detected with today low-background techniques. Using a HPGe detector and an external source of natural cadmium, new stringent limits on beta(+)beta(+)(0 nu + 2 nu), beta(+)EC(0 nu + 2 nu) and ECEC(0 nu + 2 nu) decays into the ground and excited states are derived.
引用
收藏
页码：115 / 128
页数：14
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