Beta decay anomalies and the 17-keV conundrum [electronic resource].
- Published:
- Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy. - Physical Description:
- Pages: (10 pages) : digital, PDF file
- Additional Creators:
- Los Alamos National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
Access Online
- Restrictions on Access:
- Free-to-read Unrestricted online access
- Summary:
- Recent developments in pursuance of the 17-keV neutrino are reviewed. Several different experiments found anomalies in [beta] decay spectra which were consistently interpreted as evidence for a heavy neutrino. On the other hand, recent null results definitively rule out the existence of a 17-keV neutrino, as well as escaping criticisms applicable to earlier experiments. While missing links remain, it seems that any strong evidence for a 17-keV neutrino has vanished. Specifically, the anomalies observed in [sup 35]S and [sup 63]Ni spectra at Oxford can be reinterpreted in terms of electron scattering effects. In addition, the discrepancy amongst internal bremsstrahlung measurements has an instrumental origin, and recent results disfavour a 17-keV neutrino. Anomalies persist in the low energy region of the tritium spectrum which deserve further investigation.
- Report Numbers:
- E 1.99:la-ur-93-727
E 1.99: conf-930187--1
conf-930187--1
la-ur-93-727 - Subject(s):
- Other Subject(s):
- Beta Decay
- Neutrino Detection
- Neutrinos
- Nickel 63.
- Sulfur 35.
- Bremsstrahlung
- Energy Dependence
- Fermi Plot
- Magnetic Spectrometers
- Scattering
- Tritium
- Beta Decay Radioisotopes
- Beta-Minus Decay Radioisotopes
- Days Living Radioisotopes
- Decay
- Detection
- Diagrams
- Electromagnetic Radiation
- Elementary Particles
- Even-Odd Nuclei
- Fermions
- Hydrogen Isotopes
- Intermediate Mass Nuclei
- Isotopes
- Leptons
- Light Nuclei
- Massless Particles
- Measuring Instruments
- Nickel Isotopes
- Nuclear Decay
- Nuclei
- Odd-Even Nuclei
- Radiation Detection
- Radiations
- Radioisotopes
- Spectrometers
- Sulfur Isotopes
- Years Living Radioisotopes
- Note:
- Published through SciTech Connect.
01/01/1993.
"la-ur-93-727"
" conf-930187--1"
"DE93008722"
13. Moriond workshop on perspectives in neutrinos, atomic physics, and gravitation, Villars-sur-Ollon (Switzerland), 30 Jan - 6 Feb 1993.
Hime, A. - Funding Information:
- W-7405-ENG-36
View MARC record | catkey: 14760743