Mitchell, Ian2018-02-232018-02-232017http://hdl.handle.net/10657/2315Nowadays, the frontier of physics is underground. Experiments like Daya Bay search for rare processes and events, shielded by hundreds of feet of solid rock. But some particles can penetrate through that, while evading our best efforts at tracking them. I am working on measuring their impact on our experiment, and therefore on measurements of the fundamental properties of the cosmos.en-USPoster