Visible light exposure of galaxy cluster Abell 2744 from NASA/ESA Hubble Space Telescope and ESO's Very Large Telescope, X-ray data from NASA's Chandra X-ray Observatory & math reconstruction of dark matter location. D. Coe & J. Merten/ESO/NASA/ESA/CXC

Physics Theory Seminar with Garv Chauhan on the DUNE Near Detector

Garv Chauhan (Hosted by Pastore) from Université Catholique de Louvain will be presenting the seminar "Probing the Neutrinophilic Z' at the DUNE Near Detector"

Can U(1) symmetries in the neutrino sector stay hidden indefinitely ? Hidden U(1) symmetries in the right-handed neutrino sector are theoretically well-motivated and would give rise to an inherently dark gauge boson which we refer to as the neutrinophilic Z'. An important feature of this Z' is that its couplings to neutrinos are generally much larger than its couplings to charged leptons and quarks, providing a particularly interesting scenario for future neutrino experiments such as DUNE to probe. In this talk, I'll discuss two approaches to probe this Z' at DUNE near detectors via (i) searching for Z' decay signals and (ii) precision measurement of elastic neutrino-electron (ν-e) scattering. I will show that the former will have sensitivity comparable to or better than previous beam dump experiments while the latter will improve current limits substantially for large neutrino couplings.