On the neutron thermalization in an in-definite homogeneous multiplicative medium

Franco Bogani
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Abstract

Existence and uniqueness of the solution of the initial value problem for the Boltzmann transport equation in an indefinite homogeneous multiplicative medium are proved. Moreover, the existence of at least one real eigenvalue of the transport operator is displayed. Finally, the asymptotic behavior of the neutron density is indicated as t → + ∞.

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不确定均匀倍增介质中的中子热化问题
证明了不定齐次乘法介质中玻尔兹曼输运方程初值问题解的存在唯一性。此外,还证明了输运算子至少存在一个实特征值。最后,中子密度的渐近行为表示为t→+∞。
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The neutron yield from Li, Be, Co and Cu under proton bombardment at energies from 5 to 10 MeV The emission spectra of NaD2O, InBe, LaBe and NaBe photoneutron sources Neptunium-237 production and recovery An exact solution of a transcendental equation basic to the theory of intermediate resonance absorption of neutrons Mathematical theory of transport processes in gasesJ. H. Ferziger and H. G. Kaper, North Holland, Amsterdam (1972). pp. 579
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