High Purity Germanium (HPGe) and BGO

Gammasphere's detectors use high purity germanium in order to increase a detector's probability of gamma ray interaction. The germanium used within each detector produces ten different signals known as the GeCenter, GeSide and 7 BGO signals, which are compacted by the analog pre-processing into four differential signals (GeCenter, GeSide, BGOSum & BGOPattern).