A high level, low frequency rf system for the acceleration of light ions in the AGS
Conference
·
OSTI ID:6643074
A high level, low frequency rf system for accelerating light ions is described. This system accelerates ions from typically 7 to 8 MeV/nucleon to 200 MeV/nucleon. It operates at the 12th harmonic of the AGS rotation frequency, in a nominal range of 0.5 to 2.5 MHz. It preaccelerates the beam so that a synchronous ''bucket-to-bucket'' transfer can be made to the present AGS proton rf system for further acceleration up to energies of about 14 GeV/nucleon, covering the frequency range of 2.5 to 4.5 MHz. An existing pre-conversion AGS two-gap cavity was rebuilt to cover the low frequency range and to accommodate gap voltages as high as 8.5 kV (magnetic field rise rate of 1.2 kG/sec). The cavity is driven by a push-pull tetrode power amplifier and driver chain capable of delivering over 100 kW.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6643074
- Report Number(s):
- BNL-39346; CONF-870302-73; ON: DE87007628
- Country of Publication:
- United States
- Language:
- English
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