NBIA Seminar: José Carpio

Beyond the Standard Model (BSM) interactions in the neutrino sector have been of much interest in cosmology and astroparticle physics. I will show how to use the Monte Carlo method to numerically investigate the neutrino time delay distribution caused by BSM interactions en route to the observer. The distributions in the optically thick limit show features that are not described by simple analytical estimates. The Monte Carlo code can be used to probe BSM interactions in current neutrino detectors such as IceCube and Super-Kamiokande, as well as future detectors. I will show how to constrain neutrino-dark matter interactions in Hyper-Kamiokande via the echo approach.