THE CALCULATION OF THERMAL NEUTRON SPECTRA BY PERTURBATION THEORY
Technical Report
·
OSTI ID:4087417
A method of treating neutron thermalization problems by perturbation theory is discussed. This involves using the eigenfunctions of the scattering kernel for the moderator. Two simple examples are considered: the timedecay of a pulse of neutrons in a block of moderating material and the spectrum in an infinite homogeneous medium. In the case of moderation by a monatomic gas, analytical solutions are obtained using Laguerre polynomials. Extension of the method to more complex problems is discussed. (auth)
- Research Organization:
- United Kingdom Atomic Energy Authority. Research Group. Atomic Energy Research Establishment, Harwell, Berks, England
- NSA Number:
- NSA-15-009940
- OSTI ID:
- 4087417
- Report Number(s):
- AERE-R-3400
- Country of Publication:
- United Kingdom
- Language:
- English
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