The KArlsruhe TRItium Neutrino experiment, KATRIN, will make a model-independent measurement of the mass of the electron antineutrino in the quasi-degenerate regime (m1≈m2≈m3m1≈m2≈m3). It continues a series of tritium-based experiments, including Mainz and Troitsk, which established the present model-independent limit. MIT Bates worked on two systems for this experiment, the Shield and Veto System and […]