skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Unique forbidden beta decays and neutrino mass

Abstract

The measurement of the electron energy spectrum in single β decays close to the endpoint provides a direct determination of the neutrino masses. The most sensitive experiments use β decays with low Q value, e.g. KATRIN (tritium) and MARE (rhenium). We present the theoretical spectral shape of electrons emitted in the first, second, and fourth unique forbidden β decays. Our findings show that the Kurie functions for these unique forbidden β transitions are linear in the limit of massless neutrinos like the Kurie function of the allowed β decay of tritium.

Authors:
 [1];  [2];  [3];  [4];  [5]
  1. Dzhelepov Laboratory of Nuclear Problems, JINR 141980 Dubna (Russian Federation)
  2. (Slovakia)
  3. Comenius University, Mlynská dolina F1, SK-842 48 Bratislava (Slovakia)
  4. (Russian Federation)
  5. (Czech Republic)
Publication Date:
OSTI Identifier:
22492664
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1686; Journal Issue: 1; Conference: MEDEX'15: Workshop on calculation of double-beta-decay matrix elements, Prague (Czech Republic), 9-12 Jun 2015; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BETA DECAY; ELECTRON EMISSION; ELECTRON SPECTRA; ELECTRONS; ENERGY SPECTRA; FERMI PLOT; MASS; NEUTRINOS; Q-VALUE; RHENIUM; TRITIUM

Citation Formats

Dvornický, Rastislav, E-mail: dvornicky@dnp.fmph.uniba.sk, Comenius University, Mlynská dolina F1, SK-842 48 Bratislava, Šimkovic, Fedor, Boboliubov Laboratory of Theoretical Physics, JINR 141980 Dubna, and Czech Technical University in Prague, 128-00 Prague. Unique forbidden beta decays and neutrino mass. United States: N. p., 2015. Web. doi:10.1063/1.4934898.
Dvornický, Rastislav, E-mail: dvornicky@dnp.fmph.uniba.sk, Comenius University, Mlynská dolina F1, SK-842 48 Bratislava, Šimkovic, Fedor, Boboliubov Laboratory of Theoretical Physics, JINR 141980 Dubna, & Czech Technical University in Prague, 128-00 Prague. Unique forbidden beta decays and neutrino mass. United States. doi:10.1063/1.4934898.
Dvornický, Rastislav, E-mail: dvornicky@dnp.fmph.uniba.sk, Comenius University, Mlynská dolina F1, SK-842 48 Bratislava, Šimkovic, Fedor, Boboliubov Laboratory of Theoretical Physics, JINR 141980 Dubna, and Czech Technical University in Prague, 128-00 Prague. Wed . "Unique forbidden beta decays and neutrino mass". United States. doi:10.1063/1.4934898.
@article{osti_22492664,
title = {Unique forbidden beta decays and neutrino mass},
author = {Dvornický, Rastislav, E-mail: dvornicky@dnp.fmph.uniba.sk and Comenius University, Mlynská dolina F1, SK-842 48 Bratislava and Šimkovic, Fedor and Boboliubov Laboratory of Theoretical Physics, JINR 141980 Dubna and Czech Technical University in Prague, 128-00 Prague},
abstractNote = {The measurement of the electron energy spectrum in single β decays close to the endpoint provides a direct determination of the neutrino masses. The most sensitive experiments use β decays with low Q value, e.g. KATRIN (tritium) and MARE (rhenium). We present the theoretical spectral shape of electrons emitted in the first, second, and fourth unique forbidden β decays. Our findings show that the Kurie functions for these unique forbidden β transitions are linear in the limit of massless neutrinos like the Kurie function of the allowed β decay of tritium.},
doi = {10.1063/1.4934898},
journal = {AIP Conference Proceedings},
number = 1,
volume = 1686,
place = {United States},
year = {Wed Oct 28 00:00:00 EDT 2015},
month = {Wed Oct 28 00:00:00 EDT 2015}
}