SLOW NEUTRON INELASTIC SCATTERING AND NEUTRON THERMALIZATION
Technical Report
·
OSTI ID:4124702
The theory of slow-neutron inelastic scattering is reviewed. The time- dependent formalism is presented, and the development of short collision-time approximations is given in some detail. Emphasis is placed on the constraints obeyed by the scattering law independent of the details of the scattering system. The theory of neutron thermalization is reviewed, and the features of the scattering law most relevant to the thermalization process are indicated. Specific calculations of the energy-transfer cross sections for graphite are discussed. A simple proof of the fluctuation-dissipation theorem for the density fluctuations is given, and the result is applied to the short time behavior of the atomic motions at high temperatures. (auth)
- Research Organization:
- General Atomic Div., General Dynamics Corp., San Diego, Calif.
- DOE Contract Number:
- AT(04-3)-167
- NSA Number:
- NSA-15-000828
- OSTI ID:
- 4124702
- Report Number(s):
- GA-1689
- Country of Publication:
- United States
- Language:
- English
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