Beta decay of 115In to the first excited level of 115Sn:: potential outcome for neutrino mass

被引：9
作者：
Cattadori, C. M. [1 ]
De Deo, M.
Laubenstein, M.
Pandola, L.
Tretyak, V. I.
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Coppito, Italy
[2] Ist Nazl Fis Nucl, I-20133 Milan, Italy
[3] Natl Acad Sci Ukraine, Inst Nucl Res, Kiev, Ukraine
来源：
PHYSICS OF ATOMIC NUCLEI | 2007年 / 70卷 / 01期
关键词：
D O I：
10.1134/S1063778807010140
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：
Recent observation of beta decay of In-115 to the first excited level of Sn-115 with an extremely low Q(beta) value (Q(beta) <= O( 1) [ keV]) could be used to set a limit on neutrino mass. To give a restriction potentially competitive with those extracted from experiments with H-3 (similar or equal to 2 eV) and Re-187 (similar or equal to 15 eV), the atomic mass difference between In-115 and Sn-115 and energy of the first Sn-115 level should be remeasured with higher accuracy ( possibly of the order of similar to 1 eV).
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收藏
页码：127 / 132
页数：6
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