Preliminary Design of Mu2E Spill Regulation System (SRS)
- Fermilab
Direct μ→e conversion requires resonant extraction of a stream of pulsed beam, comprised of short micro-bunches (pulses) from the Delivery ring (DR) to the Mu2e target. Experimental needs and radiation protection apply strict re-quirements on the beam quality control and regulation of the spill. The objective of the Spill Regulation System (SRS) is to maintain the intensity uniformity of a stream of ~25k pulses as 1e12 protons are extracted at 590.08 kHz over a 43 ms spill period. To meet the specified perfor-mance, two regulation elements will be driven simultane-ously: a family of three zero-harmonic quadrupoles (tune ramp quads) and a RF Knock-Out (RFKO) system. The SRS will use two separate control loops to control each regulation element simultaneously. It will be critical to co-ordinate the SRS processes within the machine cycle and within each spill interval. The SRS has been designed to have a total Gain-Bandwidth product of 10 kHz, which can be used to mitigate several sources of ripple in the spill pro-file.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1614726
- Report Number(s):
- FERMILAB-CONF-441-AD; oai:inspirehep.net:1790788
- Resource Relation:
- Conference: 8th International Beam Instrumentation Conference, Malmo, Sweden, 09/08-09/12/2019
- Country of Publication:
- United States
- Language:
- English
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