Computational Modules for Studying Electron Effects in Heavy-Ion Fusion Accelerators
70444S02-II The electron cloud effect is a major limiting factor in the performance of proton accelerators for heavy-ion fusion. To assure that this effect does not adversely affect performance, further study of electron effects in regimes relevant to heavy-ion fusion is needed. Computer modeling is the most widely used method for studying the problem, but the codes used in the heavy-ion fusion community do not have the capability of studying the electron cloud effect. This project will develop a complete set of computational modules for studying electron effects in accelerators. These modules will provide heavy-ion fusion simulation codes with access to the most recent experimental data and numerical routines for modeling the electron cloud effect. In Phase I, initial computational modules were implemented in one of the primary heavy-ion fusion research codes. The code was then used to model recent beam physics experiments in heavy-ion fusion. The need for other data and modules was determined. In Phase II, the implementation of the Phase I prototype modules will be completed. The modules will be made portable to all major platforms and all major heavy ion fusion research codes. A user-friendly interface to, and documentation for, the modules will be developed. Commercial Applications and Other Benefits as described by awardee: In addition to the heavy-ion fusion application, computational modules for electron effects also should be useful to high-power microwave and radio-frequency researchers.
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