ELECTRON COOLING SIMULATION FOR ARBITRARY DISTRIBUTION OF ELECTRONS
Typically, several approximations are being used in simulation of electron cooling process, for example, density distribution of electrons is calculated using an analytical expression and distribution in the velocity space is assumed to be Maxwellian in all degrees of freedom. However, in many applications, accurate description of the cooling process based on realistic distribution of electrons is very useful. This is especially true for a high-energy electron cooling system which requires bunched electron beam produced by an Energy Recovery Linac (Em). Such systems are proposed, for instance, for RHIC and electron - ion collider. To address unique features of the RHIC-I1 cooler, new algorithms were introduced in BETACOOL code which allow us to take into account local properties of electron distribution as well as calculate friction force for an arbitrary velocity distribution. Here, we describe these new numerical models. Results based on these numerical models are compared with typical approximations using electron distribution produced by simulations of electron bunch through ERL of RHIC-II cooler.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- Doe - Office Of Science
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 918595
- Report Number(s):
- BNL-78082-2007-CP; R&D Project: 18011; KB0202011; TRN: US0805856
- Resource Relation:
- Conference: COOL 07 - WORKSHOP ON BEAM COOLING AND RELATED TOPICS; BAD KREUZNACH, GERMANY; 20070910 through 20070914
- Country of Publication:
- United States
- Language:
- English
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