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Quadrupole beam-transport experiment for heavy ions under extreme space charge conditions. [Cesium ion beams at 2 MeV and 1 ampere].

Author
Chupp, W.
Published
United States : [publisher not identified], 1983
Springfield, Va.: National Technical Information Service, [approximately 1983]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Faltens, A. and Hartwig, E. C.

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Summary
A Cs ion-beam-transport experiment is in progress to study beam behavior under extreme space-charge conditions. A five-lens section matches the beam into a periodic electrostatic quadrupole FODO channel and its behavior is found to agree with predictions. With the available parameters (less than or equal to 200 keV, less than or equal to 20 mA, ..pi..epsilon/sub n/ greater than or equal to 10/sup -7/ ..pi.. rad-m, up to 41 periods) the transverse (betatron) occillation frequency (nu) can be depressed down to one-tenth of its zero current value (nu/sub 0/), where nu/sup 2/ = nu/sub 0//sup 2/ -..omega../sub p//sup 2//2, and ..omega../sub p/ is the beam plasma frequency. The current can be controlled by adjustment of the gun and the emittance can be controlled independently by means of a set of charged grids.
Report Numbers
DE83011691; LBL-15132; CONF-830311-136
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AC03-76SF00098
OSTI Identifier 6309154
Research organization: Lawrence Berkeley Lab., CA (USA).
View MARC record | catkey: 47330529