Germanium detectors with a built-in transverse drift field
Abstract
A new kind of position-sensitive germanium detector based on a novel mode of charge transport is proposed and experimental devices were fabricated. In these germanium drift-chambers, position information is obtained by measuring carrier drift times. One dimensional spatial resolutions of approx. = 0.5 mm over an active area of approx. 2.5 x 2.5 sq.cm. were achieved in one detector for 60 keV photons. The simplicity of such detectors makes them attractive as position-sensitive gamma ray spectrometers compared to discrete element detectors. The problems and limitations of the present detectors are discussed.
- Publication:
-
Presented at the Nucl. Sci. Symp
- Pub Date:
- November 1984
- Bibcode:
- 1984nusc.sympR....L
- Keywords:
-
- Capacitance;
- Charge Exchange;
- Detectors;
- Electric Fields;
- Electron Transfer;
- Germanium;
- Drift Rate;
- Fabrication;
- Gamma Ray Spectrometers;
- Impurities;
- Performance Tests;
- Photons;
- Spatial Resolution;
- Transverse Oscillation;
- Electronics and Electrical Engineering