TRITIUM-β-DECAY Experiments - the Direct way to the Absolute Neutrino Mass
Abstract
Tritium-β-decay experiments provide the most sensitive approach to measure the absolute neutrino mass in a model independent way. The Karlsruhe Tritium Neutrino experiment KATRIN will measure the neutrino mass scale with an expected sensitivity of 0.2 eV/c2 (90% C.L.) and so will help to clarify the roles of neutrinos in the early universe. KATRIN investigates spectroscopically the electron spectrum from tritium β-decay 3 H -> 3 {He} + {e}^ - + bar ν e close to the kinematic endpoint of 18.6 keV. It will use a windowless gaseous tritium source in combination with an electrostatic filter for energy analysis. KATRIN is currently under construction at the Karlsruhe Institute of Technology (KIT) Campus North. This proceeding will give an overview of the status of the main components of the KATRIN experiment.
- Publication:
-
Particle Physics at the Tercentenary of Mikhail Lomonosov - Proceeding of the Fifteenth Lomonosov Conference on Elementary Particle Physics. Edited by Studenikin Alexander I.. Published by World Scientific Publishing Co. Pte. Ltd
- Pub Date:
- November 2013
- DOI:
- 10.1142/9789814436830_0024
- Bibcode:
- 2013pptm.conf..110B