Abstract
Beam losses due to the Touschek effect, the residual gas scattering, the intra-beam scattering and due to field emission from the main cavity were studied for the KEK compact Energy Recovery Linac (cERL), which is now under commissioning. By studying the beam losses of cERL, we can better understand the loss mechanisms, estimate the beam loss rates, and localize potentially dangerous areas of the beam line for the future 3GeV ERL project. The goal is to achieve a safety lowemittance and high-current beam operation which can help contribute to the beam loss study under 3GeV ERL project. We used existing and modified ELEGANT routine to perform the simulations. We also developed a MATLAB data analysis algorithm to handle the large amount of information that is produced by the program. The data obtained then are compared with the theoretical estimation to verify the accuracy of the simulation.
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