The proposed intense slow positron source (ISPS) at Idaho National Engineering Laboratory (INEL) requires focusing from a large area source to a small (1 cm) remoderator foil. A diameter reduction of ≳30 is desirable, and a gridless design appears to accommodate the design requirements. Experimental confirmation of the gridless focusing concept is presented here together with SIMION (simulated ion tracking) computer simulations, which indicate a diameter reduction of ∼50x.

Topics
Computer simulation, Leptons, Laboratories
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© 1994 American Institute of Physics.
1994
American Institute of Physics
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