Low-background high-efficiency detector for the study of the (n,. cap alpha. ) reaction at pulsed neutron source
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:7058796
The reported alpha-particle detector consists of eight flat proportional chambers connected in pairs. It is designed for measurement of the (n,..cap alpha..) reaction on resonance neutrons from a pulsed neutron source with a pulse duration of about 50 ns. The target's total area is 10,000 cm/sup 2/, which allows the use of large amounts of investigated materials (up to 100 g). The detector is used as a low-background counter of alpha particles. Its background is <3 X 10/sup -4/ count/cm/sup 2/ X s at a neutron flux of >10/sup 6/ n/cm/sup 2/ X s. For an integral neutron flux of about 10/sup 12/ n/cm/sup 2/, stable operation of the detector was obtained.
- Research Organization:
- Joint Institute for Nuclear Research, Laboratory of Neutron Physics H.P.O. Box 79, Moscow
- OSTI ID:
- 7058796
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 59:3; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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·
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Related Subjects
440104* -- Radiation Instrumentation-- High Energy Physics Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALPHA DETECTION
ALPHA PARTICLES
BARYON REACTIONS
BARYONS
CHARGED PARTICLE DETECTION
CHARGED PARTICLES
DESIGN
DETECTION
EFFICIENCY
ELEMENTARY PARTICLES
FERMIONS
HADRON REACTIONS
HADRONS
MEASURING INSTRUMENTS
NEUTRON FLUX
NEUTRON REACTIONS
NEUTRON SOURCES
NEUTRONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
PARTICLE SOURCES
PERFORMANCE
PROPORTIONAL COUNTERS
PULSED NEUTRON TECHNIQUES
RADIATION DETECTION
RADIATION DETECTORS
RADIATION FLUX
RADIATION SOURCES
RESONANCE NEUTRONS
SIGNAL-TO-NOISE RATIO
SURFACE AREA
SURFACE PROPERTIES
TARGETS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALPHA DETECTION
ALPHA PARTICLES
BARYON REACTIONS
BARYONS
CHARGED PARTICLE DETECTION
CHARGED PARTICLES
DESIGN
DETECTION
EFFICIENCY
ELEMENTARY PARTICLES
FERMIONS
HADRON REACTIONS
HADRONS
MEASURING INSTRUMENTS
NEUTRON FLUX
NEUTRON REACTIONS
NEUTRON SOURCES
NEUTRONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
PARTICLE SOURCES
PERFORMANCE
PROPORTIONAL COUNTERS
PULSED NEUTRON TECHNIQUES
RADIATION DETECTION
RADIATION DETECTORS
RADIATION FLUX
RADIATION SOURCES
RESONANCE NEUTRONS
SIGNAL-TO-NOISE RATIO
SURFACE AREA
SURFACE PROPERTIES
TARGETS