GAMMA-RAY SPECTRA FROM CAPTURE OF FAST NEUTRONS
A method to study the spectrum of the gamma rays emitted in radiative capture of fast neutrons has been developed. A sodium iodide scintillation spectrometer was employed, and the use of time-of-flight techniques made it possible to reduce the background of scattered neutrons sufficiently. Nickel, silver, and gold were studied with 0.1Mev neutrons, and a comparison with the gamma-ray spectra from the capture of thermal neutrone was made. The agreement was good for nickel and silver. In the case of gold the relative intensity of the high-energy gamma rays was lower for 0.1-Mev neutrons than for thermal neutrons. (auth)
- Research Organization:
- Researdh Inst. of National Defence, Stockholm
- NSA Number:
- NSA-15-012157
- OSTI ID:
- 4074308
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 22
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
BACKGROUND
CAPTURE
CROSS SECTIONS
EFFICIENCY
ENERGY
ENERGY RANGE
EXCITATION
FAST NEUTRONS
GAMMA DETECTION
GAMMA RADIATION
GAMMA SPECTROMETERS
GOLD
MEASURED VALUES
MONOCRYSTALS
NEUTRON BEAMS
NEUTRON SPECTROMETERS
NEUTRONS
NICKEL
PHYSICS
PULSE ANALYZERS
SCATTERING
SCINTILLATION COUNTERS
SILVER
SODIUM IODIDES
SPECTRA
TARGETS
THERMAL NEUTRONS
VELOCITY
CAPTURE
CROSS SECTIONS
EFFICIENCY
ENERGY
ENERGY RANGE
EXCITATION
FAST NEUTRONS
GAMMA DETECTION
GAMMA RADIATION
GAMMA SPECTROMETERS
GOLD
MEASURED VALUES
MONOCRYSTALS
NEUTRON BEAMS
NEUTRON SPECTROMETERS
NEUTRONS
NICKEL
PHYSICS
PULSE ANALYZERS
SCATTERING
SCINTILLATION COUNTERS
SILVER
SODIUM IODIDES
SPECTRA
TARGETS
THERMAL NEUTRONS
VELOCITY