Possible new interactions of neutrino and the KATRIN experiment

Abstract

We analyse the possible role of new interactions of neutrino in the forthcoming tritium beta decay experiment KATRIN aimed at detecting the neutrino mass with the sensitivity of 0.3 - 0.2 eV. It is shown that under certain circumstances the standard procedure of data analysis would have to be modified by the introduction of an extra parameter describing the strength of the new interactions. Our model simulations show that the modified procedure may improve the quality of the fit compared with the standard case. Ignoring the possibility of new interactions may lead to a systematic error in the neutrino mass determination.

7 pages, 1 figure, revtex 4; corrected typos, a minor stylistic change in conclusions

References in corpus (2)

• On the Effective Mass of the Electron Neutrino in Beta Decay
• Tritium Beta Decay, Neutrino Mass Matrices and Interactions Beyond the Standard Model

Cited by in corpus (6)

• Neutrino mass limit from tritium beta decay
• Current Direct Neutrino Mass Experiments
• Direct Neutrino Mass Experiments and Exotic Charged Current Interactions
• The KATRIN sensitivity to the neutrino mass and to right-handed currents in beta decay
• Statistical Analysis of future Neutrino Mass Experiments including Neutrino-less Double Beta Decay
• Neutrino production states in oscillation phenomena - are they pure or mixed?