High Energy Physics Seminar

Astrophysical environments often realize conditions that are inaccessible in the laboratory. This makes it possible to use these environments as laboratories for probing fundamental interactions, particularly for testing neutrino properties and in searches for novel, very weakly coupled particles. This talk will review several such examples, including possible signatures of new physics in the IceCube data, supernova neutrino flavor oscillations, and recently derived constraints on the axion-photon coupling from the evolution of massive stars.