期刊
NUCLEAR PHYSICS A
卷 765, 期 3-4, 页码 483-494出版社
ELSEVIER
DOI: 10.1016/j.nuclphysa.2005.11.015
关键词
majoron; double-beta decay
资金
- Science and Technology Facilities Council [PP/E000452/1] Funding Source: researchfish
- STFC [PP/E000452/1] Funding Source: UKRI
The NEMO-3 tracking detector is located in the Frejus Underground Laboratory. It was designed to study double beta decay in a number of different isotopes. Presented here are the experimental half-life limits oil the double beta decay process for the isotopes Mo-100 and Se-82 for different majoron emission modes and limits on the effective neutrino-majoron coupling constants. In particular, new limits on ordinary majoron (spectral index 1) decay of Mo-100 (T-1/2 > 2.7 x 10(22) yr) and Se-82 (T-1/2 > 1.5 x 10(22) yr) have been obtained. Corresponding bounds on the majoron-neutrino coupling constant are (gee) < (0.4-1.8) x 10(-4) and < (0.66-1.9) x 10(-4). (c) 2005 Elsevier B.V. All rights reserved.
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