Performance of an RF beam monitor on the NBS-Los Alamos racetrack microtron

A prototype RF beam-position, current, and phase monitor was used on the 100-keV injector beamline of the racetrack microtron (RTM) where performance was measured with the chopped and bunched beam. This monitor works with both a pulsed beam and a CW beam. The pulsed beam consists of beam pulses with a FWHM of 40 ns. The RF beam monitor was tested with beam currents from approx. 50 to 600 (MU)A. The RF beam monitor is described and its performance is reported.