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- W74004494 abstract "The experimental program associated with a device (DCX-2) being assembled to exploit the DCX scheme of plasma accumulation by dissociation- trapping of highenergy molecular ions is described. The long particlecontainment time obtained in DCX-1 and a consideration of known instabilities indicate that a high-temperature plasma limited in density by mirror losses may be obtained in DCX-2, provided no new instabilities occur. The apparatus provides for an extended trajectory of the injected beam in the plasma region, permitting the use of much more tenuous dissociation media. Advantage is taken of the ion-pumping action of the plasma to secure pumping speeds of approximately 0.5 million liters per second. The shape and strength of the magnetic field provide containment of the trapped atomic ions governed by the adiabatic approximation. A summary is given of the theory of plasma accumulation in a machine of this type, and the requirements imposed upon the system parameters are evaluated. Existing elements of the apparatus include: a 600-kev accelerator and ion source designed to obtain 400 ma of ions in a well-organized beam, the source itself producing a continuous beam of 340 ma at 80 kev; almost-fully-ionized lithium and deuterium arcs with temperatures in the range of 10more » to 50 ev. (In the deuterium arc a degree of ionization as large as 99% may be obtained. Lithium arcs of large Li/sup +2/ content can be operated in gas pressures as low as 4 x 10/sup -7/ mm Hg. Means are found to adjust the density of the breakup column of the arc from very low densities to as high as 10/sup 14/ cm/sup -3/); and a beam-injection channel, shielded against the 12-kgauss field and highly compensated to minimize perturbation of the surrounding field. (auth)« less" @default.
- W74004494 created "2016-06-24" @default.
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- W74004494 date "1962-01-01" @default.
- W74004494 modified "2023-09-24" @default.
- W74004494 title "THE DCX-2 PROGRAM OF PLASMA ACCUMULATION BY HIGH ENERGY INJECTION" @default.
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