DETAILED STUDIES OF ELECTRON COOLING FRICTION FORCE.
High-energy electron cooling for RHIC presents many unique features and challenges. An accurate estimate of the cooling times requires detailed simulation of the electron cooling process. The first step towards such calculations is to have an accurate description of the cooling force. Numerical simulations are being used to explore various features of the friction force which appear due to several effects, including the anisotropy of the electron distribution in velocity space and the effect of a strong solenoidal magnetic field. These aspects are being studied in detail using the VORFAL code, which explicitly resolves close binary collisions. Results are compared with available asymptotic and empirical formulas and also, using the BETACOOL code, with direct numerical integration of less approximate expressions over the specified electron distribution function.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- DOE/SC
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 15020509
- Report Number(s):
- BNL-75044-2005-CP; R&D Project: 18054; KB-02-02-01-1; TRN: US0504555
- Resource Relation:
- Conference: INTERNATIONAL WORKSHOP ON BEAM COOLING AND RELATED TOPICS (COOL05); EAGLE RIDGE, GALENA, IL; 20050918 through 20050923
- Country of Publication:
- United States
- Language:
- English
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