Neutrinos are Everywhere

Joseph D. Lykken, Theoretical Physicist, Deputy Director and Chief Research Officer, Fermi National Accelerator Laboratory



The story of Fermi's "little neutral ones" has already many surprises and inspiring examples of daring experimental initiative. Neutrinos are the oddballs of elementary particles, and their peculiar properties suggest connections to many of the big mysteries of particle physics. Today a host of new experiments are trying to unlock the secrets of these elusive particles. Most ambitious is the proposed Long Baseline Neutrino Facility, consisting of a megawatt proton beam neutrino source at Fermilab in Illinois, sending high energy neutrinos to 40 kilotons of liquid argon detectors located 1300 kilometers away and a mile underground at the Sanford Underground Research Facility in South Dakota. The detectors will be built and operated by a newly formed scientific collaboration called DUNE (for Deep Underground Neutrino Experiment); this is a global effort of 145 universities and labs from 23 countries.