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Upcoming Colloquia
January 30
Ben Monreal (UCSB)
Title: A weakly-interacting Universe: searching for the mass of the neutrino
Abstract: Our daily experiences with the Universe primarily involve electromagnetism and gravity. However, the weak interaction is often behind the scenes of astrophysics, working on many different systems in interesting ways. One weakly-interacting component of the Universe, the neutrino, has a small but still-unmeasured (despite 70 years of searching) mass; depending on this mass, neutrinos may or may not have a major impact on small-scale structure formation. I will describe two experiments, KATRIN and Project 8, that will try to measure the neutrino mass, calling on a broad and interdisciplinary mix of experimental techniques. The weakly-interacting side of the Universe may include the still-undetected dark matter; I will discuss one very recent advance in dark matter detector technology.
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