Abstract

Tandem mirrors offer a unique capability among fusion devices for carrying out nuclear experiment/test programs and for demonstrating the operation of nuclear technologies at low fusion power levels. This capability derives from an ability to produce high fusion power densities by injecting high energy D-T neutral beams into a magnetic mirror test cell which is inserted within the central cell of a tandem mirror. The volume of plasma can be kept arbitrarily small by selecting the length of the cell. The physics of ion confinement in the test cell is essentially the physics of single cell mirrors, for which there is a long experimental history. That history shows that well understood classical predictions of ionion scattering (confinement times proportional to T /sub i/ /sup 3/2/ /n) and ion-electron drag (confinement times proportional to T /sub e/ /sup 3/2/ /n) account for losses from the cell and that ''reactor grade confinement'' is not required for this application.

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