MAPS FOR FAST ELECTRON CLOUD SIMULATIONS AT RHIC.
Ubaldo Iriso, Stephen Peggs · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 2004
Luminosity in several colliders, including RHIC, is limited by the electron cloud effect. A careful re-distribution of the bunch pattern around the azimuth of a ring can decrease the average electron density for a fixed total bunch current, allowing the luminosity to be increased. In the search for a bunch pattern that maximizes the luminosity, a fast computer simulation is a key requirement. We discuss the use of fast polynomial maps to simulate the bunch to bunch evolution of the electron density at RHIC. Such maps are empirically derived from existing conventional slow simulation codes.