Abstract
A negative result for the existence of a 17keV neutrino was obtained by a very high-statistical measurement of the 63Ni β-spectrum and a response function using an iron-free magnetic spectrometer. The obtained mixing strength is |U|2 = (1.8±3.3(stat.)±3.3(sys.))×10-4, which strongly excludes the existence of a 17keV neutrino with an admixture of 1%. We set the upper limit to 0.095% on |U|2 with a 95% confidence level.
Original language | English |
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Pages (from-to) | 117-126 |
Number of pages | 10 |
Journal | Nuclear Physics B (Proceedings Supplements) |
Volume | 32 |
Issue number | C |
DOIs | |
Publication status | Published - 1993 Jan 1 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics