Pulse filtering techniques for mercuric iodide gamma ray detectors

Conference · Wed Dec 31 23:00:00 EST 1986

OSTI ID:6841690

Gerrish, V M; Beyerle, A G

Mercuric iodide detectors of 1 mm to 1 cm thickness exhibit high gamma ray efficiency but are limited by poor hole transport properties which degrade detector performance. Low hole mobility and hole trapping prevent complete charge collection. This results in less than optimum energy resolution when conventional Gaussian pulse shaping is applied. Alternative pulse filtering techniques have been investigated and significant improvements in the spectral response of these detectors have been demonstrated. These various approaches are discussed and results with mercuric iodide detectors are presented.

• Research Organization: EG and G Energy Measurements, Inc., Goleta, CA (USA). Santa Barbara Operations
• DOE Contract Number: AC08-83NV10282
• OSTI ID: 6841690
• Report Number(s): EGG-10282-2136; CONF-8709315-2; ON: DE88014953
• Country of Publication: United States
• Language: English

Related Subjects

440103* -- Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
DETECTION
ELECTROMAGNETIC RADIATION
FILTRATION
GAMMA DETECTION
GAMMA RADIATION
GAMMA SPECTROMETERS
HALIDES
HALOGEN COMPOUNDS
HGI2 SEMICONDUCTOR DETECTORS
IODIDES
IODINE COMPOUNDS
IONIZING RADIATIONS
MEASURING INSTRUMENTS
MERCURY COMPOUNDS
MERCURY HALIDES
MERCURY IODIDES
PERFORMANCE
PHOTODETECTORS
PULSE TECHNIQUES
RADIATION DETECTION
RADIATION DETECTORS
RADIATIONS
SEMICONDUCTOR DETECTORS
SEPARATION PROCESSES
SPECTROMETERS