Front end design of a multi-GeV H-minus linac.
The proposed 8-GeV driver at FNAL [1] is based on {approx} 430 independently phased SC resonators. Significant cost savings are expected by using an rf power fan-out from high-power klystrons to multiple cavities. Successful development of superconducting (SC) multi-spoke resonators operating at {approx} 345-350 MHz provides a strong basis for their application in the front end of multi-GeV linear accelerators. Such a front-end operating at 325 MHz would enable direct transition to high-gradient 1300 MHz SC TESLA-style cavities at {approx} 400 MeV. The proposed front end consists of 5 sections: a conventional RFQ, room-temperature (RT) cross-bar H-type (CH) cavities, single-, double-and triple-spoke superconducting resonators. It is effective to use short RT CH-cavities between the RFQ and SC sections in the energy range 3-10 MeV as is discussed below.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 925253
- Report Number(s):
- ANL/PHY/CP-115992; TRN: US0802397
- Resource Relation:
- Conference: Particle Accelerator Conference (PAC 05); May 16-20, 2005; Knoxville, TN
- Country of Publication:
- United States
- Language:
- ENGLISH
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