Professor Emeritus Contact Information rghr@uw.edu 206-616-2745 C505, B037 Personal Website Fields of Interest Nuclear & Particle Experiment Affiliations Home Department Physics News & Events Related News Closing in on the elusive neutrino (October 17, 2023) A new upper limit on the mass of neutrino (February 23, 2022) KATRIN cuts the mass estimate for the elusive neutrino in half (September 23, 2019)