Abstract
An extension of the methods for computing resonance integrals to the case of nonuniform temperature distributions in the absorber is given. Formally, the procedure is quite similar to previous work and utilizes the same approximations: absorbed neutrons are broken into two groups according to whether their previous collisions were in the absorber or in the moderator; both the narrow resonance and infinite mass approximations are developed. The effect of nonuniform temperature distribution is to modify the escape probabilities required. The calculation requires escape probabilities for lumps which contain nonuniform sources and/or cross sections. Methods of computing these escape probabilities are presented. (auth)
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