The Coupling Impedance of the RHIC Injection Kicker System
- Brookhaven National Lab. (BNL), Upton, NY (United States)
The RHIC injection kicker is configured as a "C" cross section magnet with interspersed ferrite (Nickel-Zinc ferrite with high permeability and resistivity for use at frequencies up to ~100 MHz) and dielectric (sintered mixture of Magnesium Titanat and Calcium Titanat with high dielectric constant ε~100) blocks as shown in Fig. 1. The deflection properties of the kicker are dominated (~85%) by the magnetic field and thus by the ferrite properties and its geometrical configuration. The dielectric block provide the capacitance required to achieve a transmission line kicker (<50 nsec current rise time) and to reduce the characteristic impedance so as to match the 50/Ω of the Blumlein pulser. The dielectric blocks impose the de-facto voltage limit of the kicker and represent one of the primary design limitations.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1119230
- Report Number(s):
- BNL-101888-2013-IR
- Country of Publication:
- United States
- Language:
- English
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The coupling impedance of the RHIC injection kicker system
The coupling impedance of the RHIC injection kicker system