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VOLUME 20 (1974) | ISSUE 5 | PAGE 332
Compression and focusing of a neutron gas by moving the moderator
It is shown that when a moderator moves in a neutron gas it is possible to rake the neutrons together and increase their density in the moderator and ahead of the moderator, a fact that can be used to increase the concentration of the reactions induced by neutrons and their energy release, and to enhance self-expansion and self-contraction of a cavity in matter. The possibility of inertial shaking-off and focusing of neutrons by rapid deceleration of matter is demonstrated. The question is raised of the distribution of the neutrons in the medium having a density and velocity distribution.