Misalignment measurement of femtosecond electron bunches with THz repetition rate
01 Pubblicazione su rivista
Zhu J., Chiadroni E., Assmann R., Bellaveglia Marco, Cianchi A., Ferrario Massimo, Giribono Anna, Marchetti B., Mostacci Andrea, Piersanti Luca, Pompili R., Villa F.
ISSN: 2469-9888
Generation of a well-aligned bunch train is of vital importance for preserving the beam quality in a
plasma wake-field accelerator. The simultaneous measurements of the relative misalignments in both
planes, of the individual femtosecond electron bunches with THz repetition rate in a train, are reported and
analyzed with simulations. The new method proposed in this paper demonstrates that the measurements can
be done quickly by applying a single quadrupole scan together with a radio-frequency deflector (RFD),
while the RFD strength and the RFD phase for each bunch do not need to be known.