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In this work we present the characterization of a Broad Energy Germanium(BEGe) type High Purity Germanium (HPGe) detector, with a carbon fiber entrancewindow thickness of 0.6 mm and an active area of 6305 mm2, operated at shallowdepth (~ 8m) in Abu Dhabi, UAE. A 1.6 keV Full Width Half Maximum (FWHM) wasobtained for the 662 keV peak of 137Cs. A muon veto was applied, reducing thebackground by 8 % (for energies greater than 100 keV). Flushing the volumearound the detector endcap with nitrogen gas, to remove radon and thus itsprogeny, further reduced the background by ~3 %. A thorough analysis for theshaping filter parameters showed that the detector has better resolution at lowrise-time values (2 - 5 us) especially for low energy gamma (<600keV), keepingthe flattop value fixed at 1.1 us.

Optimizing a Broad Energy High Purity Germanium (BEGe) Detector Operated at Shallow Depth in Abu Dhabi