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AbstractAbstract
[en] We have studied the β-spectrum of 14C using a germanium detector containing a crystal with 14C dissolved in it. We find a feature in the β-spectrum 17 keV below the endpoint which can be explained by the hypothesis that there is a heavy neutrino emitted in the β-decay of 14C with a mass of 17±2 keV and an emission probability of 1.40±0.45%. In addition, we have studied the inner bremsstrahlung spectrum of 55Fe and also find indications of the emission of a ∼17 keV neutrino. These results are consistent with observations of similar anomalies in the β-decays of 3H and 35S. (author)
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Secondary Subject
Source
14. Europhysics conference on nuclear physics: rare nuclear decays and fundamental physics; Bratislava (Czechoslovakia); 22-26 Oct 1990; CONTRACT DE-AC03-76SF00098; DE-FG05-87ER40314
Record Type
Journal Article
Literature Type
Conference; Numerical Data
Journal
Journal of Physics. G, Nuclear and Particle Physics. Supplement; v. 17(suppl.); p. S291-S299
Country of publication
BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BREMSSTRAHLUNG, CARBON ISOTOPES, DATA, DECAY, ELECTROMAGNETIC RADIATION, ELECTRON CAPTURE RADIOISOTOPES, ELEMENTARY PARTICLES, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, FERMIONS, INFORMATION, INTERMEDIATE MASS NUCLEI, IRON ISOTOPES, ISOTOPES, LEPTONS, LIGHT NUCLEI, MASSLESS PARTICLES, NUCLEAR DECAY, NUCLEI, NUMERICAL DATA, RADIATIONS, RADIOISOTOPES, SPECTRA, YEARS LIVING RADIOISOTOPES
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