It is estimated that about 2.5×1010 slow positrons per second might be produced if 1.0 mA of 400 MeV electrons were incident on target. This estimate and some problems of target design are discussed. The electron beam structure is 1 to 2 ps pulses with a repetition rate of 7.5 MHz which is appropriate for a Free Electron Laser (FEL) which is being proposed for CEBAF. The electron beam would exit the FEL and would otherwise be transported to a beam dump.

Topics
Leptons, Free electron lasers, Laboratories
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© 1994 American Institute of Physics.
1994
American Institute of Physics
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