Active Scraper and Beam Dump for NSLS-ll Radiation Protection
- Brookhaven National Lab. (BNL), Upton, NY (United States)
The NSLS-II with its high stored beam energy operation and top-off injection, makes the radiation protection a critical issue. The radiation shield wall of the tunnel is being designed to be adequate for a 5% loss of the top-off injection current at one point in the ring. However, the injection region is shielded for 100% injection losses. This weaker shielding around the ring is a critical concern should the beam develop high current instabilities, that would cause the beam to dump or develop a very short lifetime. In order to overcome these instabilities, studies and operations in the high current conditions that might drive these instabilities would be required. If the radiation shielding would not allow this operation at these currents, should the entire beam be lost at an arbitrary point around the lattice, then the ability to study and correct these instabilities may not be allowed or at least not without greatly restriction the users access to the experimental floor.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- DOE Contract Number:
- SC0012704
- OSTI ID:
- 1525435
- Report Number(s):
- NSLSII-ASD-TN-056; BNL-211065-2019-TECH
- Country of Publication:
- United States
- Language:
- English
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