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Paroli, B.

Paper Title Page
THPEC051 Low Voltage Electron Beam Bunching and Deflection 4170
 
  • M. Cavenago
    INFN/LNL, Legnaro (PD)
  • F. Cavaliere, G. Maero, B. Paroli, R. Pozzoli, M. Romé
    Universita' degli Studi di Milano e INFN, Milano
 
 

In a Malmberg'Penning trap like ELTRAP an electron beam can be stored or propagated in a space charge dominated condition, due to the low acceleration voltage used; in particular we can test the longitudinal expansion of the electron bunch with several diagnostics, including Thomson scattering. Pulsed electron beams produced by an external photocathode source in the 1'10 keV energy range and with 4 ns length have been measured also by two electrostatic diagnostic systems. A proper software is needed to compensate for the capacitance of the pickup electrodes. Rf can be applied to the sectored electrode to produce a plasma source or to excite or to detect rotational modes; in particular the use of a new 8 sector electrode will allow up to m=3 modes.