Recent searches for double-electron capture of nuclei to excited states

被引:2
|
作者
Povinec, P. P. [1 ]
Frekers, D. [2 ]
Simkovic, F. [1 ,3 ]
机构
[1] Comenius Univ, Mlynska Dolina F1, SK-84248 Bratislava, Slovakia
[2] Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[3] JINR, Boboliubov Lab Theoret Phys, Dubna 141980, Russia
来源
WORKSHOP ON CALCULATION OF DOUBLE-BETA-DECAY MATRIX ELEMENTS (MEDEX15) | 2015年 / 1686卷
关键词
SE-74;
D O I
10.1063/1.4934907
中图分类号
O59 [应用物理学];
学科分类号
摘要
Double electron capture has been of interest of many theoretical and experimental works as a possible extension of double beta-decay investigations. The neutrinoless double-electron capture, similarly as the neutrinoless double beta-decay may help to clarify if neutrinos are Majorana or Dirac particles. Results obtained in several double electron capture experiments are reviewed and new experiments to be carried out in deep underground laboratories using enriched sources and multidimensional HPGe-HPGe gamma-ray spectrometry with a few years of counting time are proposed, which should be able to improve half-lives limits by at least an order of magnitude.
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页数:4
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