NEUTRON THERMALIZATION BY CHEMICALLY BOUND HYDROGEN AND CARBON

Technical Report · Fri Oct 31 04:00:00 EST 1958

OSTI ID:4307549

McReynolds, A W; Nelkin, M S; Rosenbluth, M N; Whittemore, W L

The effects of interatomic binding on the inelastic scattering of slow neutrons by zircorium hydride, polycrystalline graphite, and water were studied. This investigation consisted of a series of neutron beam experiments at the Brookhaven National Laboratory, their theoretical interpretation, and application to the design of a reactor moderated by ZrH and H/sub 2/O. Using a crystal spectrometer to obtain monoenergetic beams from 0.05 to 0.3 ev, three types of measurements have been performed: measurement of total scattering cross section as a function of energy, angular distribution of scattered intensity, and average energy, E, of scattered neutrons as a function of incident energy, angle, and temperature of scatterer, measured by transmission methods. The same crystal phenomena were studied using either a beryllium-filtered beam of very slow neutrons, or a monocnergetic beam selected by a crystal spectrometer, with a chopper time-of-flight apparatus to measure the energy spectrum of neutrons scattered at 90 degrees. (auth)

• Research Organization: General Atomic Div., General Dynamics Corp., San Diego, Calif.; Brookhaven National Lab., Upton, N.Y.
• NSA Number: NSA-12-014952
• OSTI ID: 4307549
• Report Number(s): A/CONF.15/P/1540
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ANGULAR DISTRIBUTION
ATOMS
BERYLLIUM
BINDING ENERGY
CARBON
COMMUNICATIONS
CROSS SECTIONS
CRYSTALS
EFFICIENCY
ENERGY
EPITHERMAL NEUTRONS
FILTERS
GRAPHITE
HYDROGEN
INELASTIC SCATTERING
INTERACTIONS
MACHINE PARTS
MEASURED VALUES
MODERATORS
NEUTRON BEAMS
NEUTRON SPECTROMETERS
NEUTRONS
PHYSICS
PLANNING
PULSE GENERATORS
REACTORS
SCATTERING
SLOWDOWN
SPECTRA
SPECTROMETERS
TEMPERATURE
THERMAL NEUTRONS
TRANSDUCERS
VELOCITY
WATER
WATER MODERATOR
ZIRCONIUM HYDRIDES