Accurate modelling of charged particle beams in linear accelerators

Details Accurate modelling of charged particle beams in linear accelerators Accurate modelling of charged particle beams in linear accelerators

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006njph....8..285g&link_type=abstract

New Journal of Physics, Volume 8, Issue 11, pp. 285 (2006).

Physics

2

Scientific paper

A higher order, energy conserving discretization technique for beam dynamics simulations is presented. The method is based on the discontinuous Galerkin (DG) formulation. It utilizes locally refined, non-conforming grids which are designed for high spatial resolution along the path of charged particle beams. Apart from this formulation, the paper introduces a class of general symplectic integrators which conserve discrete energy in a modified sense. Specialized split-operator methods with optimum dispersion properties in the direction of particle motion are, additionally, derived. The application examples given in the paper are performed in a high performance computing environment. They include the self-consistent simulation of the RF electron gun developed by the Photo Injector Test Facility at DESY Zeuthen (PITZ) project and the computation of short range wake fields for ultra-relativistic electron bunches.

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