Front end design of a multi-GeV H-minus linac.

Conference · Sat Jan 01 04:00:00 EST 2005

OSTI ID:925253

Ostroumov, P N; Shepard, K W; Foster, G W; Gonin, I V; Romanov, G V; FNAL,

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 Laboratory (ANL)
• Sponsoring Organization: SC
• DOE Contract Number: AC02-06CH11357
• OSTI ID: 925253
• Report Number(s): ANL/PHY/CP-115992
• Country of Publication: United States
• Language: ENGLISH

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
CAVITIES
DESIGN
ENERGY RANGE
KLYSTRONS
LINEAR ACCELERATORS
RESONATORS