The ability to detect low levels of radiation is important for many applications and critical for detecting weakly interacting particles such as neutrinos and dark matter. Nicole Fields, a fellow from the University of Chicago, is developing and characterizing P-type point contact (PPC) germanium detectors and associated electronics (Figure FEL 3). These detectors will be the primary design component of the Majorana experiment that will search for neutrinoless double-beta decay and light-mass dark matter candidates. She also works closely with industry in improving these detectors. Upon completing 2 years of graduate studies, Nicole looks forward to doing her practicum.

The detection of neutrons and understanding reactions induced by neutrons and protons are important for basic nuclear structure and astrophysics, as well as for applications in home-


FIGURE FEL 3 Graduate student Nicole Fields is developing new systems to detect weakly interacting particles. SOURCE: Image courtesy of Lloyd DeGrane, University of Chicago.

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