A disappearance search for a sterile neutrino that also decays in MicroBooNE using the DeepLearning-based Analysis

We test the compatibility of a model including sterile neutrinos that decay with MicroBooNE data. This model in particular, allows for oscillation from the standard model neutrinos into the sterile state, which then decays into a standard model flavored neutrino and a scalar field, which then decays to a neutrino and anti-neutrino pair. To test this model, we modify the expected MicroBooNE neutrino flux, and search for muon neutrino disappearance in the data selection in the Deep-Learning-based analysis. This analysis is built to find two-pronged charged-current quasielastic events in both the electron and muon neutrino channels. We apply the sterile neutrino plus decay model's effects via a grid search along several of the model's parameters identifying the allowable regions according to our fit with MicroBooNE data.