High power electron beam dumps at CEBAF
Conference
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OSTI ID:489623
- Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); and others
The CEBAF accelerator produces a very small emittance CW electron beam of up to 200 {mu}A average current. The resulting beam power, up to 1 MW at 5 GeV, and the very high beam power density, pose challenging problems for beam dump design. Two styles of high power dumps have been developed. The first, rated for 100+ kW, is used for beam tune-up and accelerator commissioning. The beam power is entirely contained in metal in this dump, minimizing the problems associated with radioactive water handling. Full power 1 MW dumps are used with the experimental halls. In these dumps, one-third of the beam power is directly absorbed in water. Both dump designs require the beam to be rastered when the smallest beam sizes are used. Design details for each of these dumps will be presented.
- Research Organization:
- Southeastern Universities Research Association, Inc., Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 489623
- Report Number(s):
- DOE/ER/40150--1131; CONF-970503--23; JLAB-ACT--97-02; ON: DE97006522
- Country of Publication:
- United States
- Language:
- English
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