TWO-CRYSAAL-COMPTON-SPECTROMETER WITH IMPROVED GEOMETRICAL EFFICIENCY

Journal Article · Mon Sep 01 00:00:00 EDT 1958 · Nuclear Instr.

DOI:https://doi.org/10.1016/0369-643X(58)90019-7· OSTI ID:4292410

Weinzierl, P; Tisljar-Lentulis, G

The low detection efficiency of the Compton spectrometer is disadvantageous in nuclear decay scheme work with low-level or short-life activities. Omitting the gamma-collimator and placing the source bstween the two crystals improves the efficiency. To reduce the number of gamma coincidences caused by priunary quanta in the two crystals, relative to the Comptonscattering coincidences, a kicksorter was applied which accepts only those pulses from crystal 2 whose energy falls in the narrow band of back-scattered Compton quanta. The use of anthacene as the scattering crysial is advisable if the poorer resolution of this scintillator can be tolerated. This new version of the Compton spectrometer gives an increase of over-all efficiency by about two orders of magnitude. (A.C.)

• Research Organization: Univ. of Vienna
• NSA Number: NSA-12-017888
• OSTI ID: 4292410
• Journal Information: Nuclear Instr., Journal Name: Nuclear Instr. Vol. Vol: 3
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ANTHRACENE
COINCIDENCE METHODS
COMPTON EFFECT
COMPTON SPECTROMETERS
CRYSTALS
DECAY
EFFICIENCY
ENERGY
GAMMA RADIATION
GAMMA SPECTROMETERS
NUCLEAR STRUCTURE
NUCLEAR THEORY
PHYSICS
PULSES
RADIATION SOURCES
RESOLUTION
SCATTERING
SCINTILLATION COUNTERS
SPECTROMETERS