Abstract
The TREDI Monte Carlo program is briefly described, devoting some emphasis to the Lienard-Wiechert potentials approach followed to account for self-field effects and the covariant technique devised to achieve regularization of electromagnetic fields. Some guidelines to the choice of the correct parameters to be used in the simulation are also sketched. The predictions obtained for the reference work point of the space-charge compensated SPARC photoinjector and a benchmark chicane designed to study coherent synchrotron radiation effects in a magnetic compressor are compared to those of other well-established simulation codes.
Highlights
The main issue in the development of coherent ultrabrilliant x-ray sources is the generation of ultrahigh peak brilliance electron beams
One of the basic motivations of the SPARC [1] experiment is the investigation of the quality of the beam delivered at the undulator entrance
The scheme proposed for the SPARC’s accelerating system consists of a BNL/UCLA/SLAC type, 1.6 cell rf gun operated at 2.856 GHz with high peak field (
Summary
The main issue in the development of coherent ultrabrilliant x-ray sources is the generation of ultrahigh peak brilliance electron beams. The smoothing approach followed in TREDI to regularize the divergencies of electromagnetic (EM) fields developing during simulations is that of dressing macroparticles with a form factor, i.e., assuming the elementary dynamical objects to be extended rather than pointlike charge distributions. This technique has proven to be very effective at suppressing the high frequency noise directly related to the well-known divergencies of electrodynamics. The basic idea is that of giving to macroparticles a spread in transverse momentum in order to reduce the contribution of collinear effects as
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