M.POPOVIC, T.SULLIVAN (FNAL)
We report the results of observations of H- beam instabilities at the Fermilab Linac. By intentionally creating 'high' background pressure with different gases in the 750keV transport line, we observed coherent transverse beam oscillations. The minimal pulse length required to observed oscillations and frequency of oscillations are functions of the pressure and atomic mass of the background gas.
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