High frequency impedance of small angle tapers and collimaters
Journal Article
·
· Physical Review Special Topics - Accelerators and Beams
Collimators and transitions in accelerator vacuum chambers often include small-angle tapering to lower the wakefields generated by the beam. While the low-frequency impedance is well described by Yokoya's formula (for axisymmetric geometry), much less is known about the behavior of the impedance in the high-frequency limit. In this paper we develop an analytical approach to the high-frequency regime for round collimators and tapers. Our analytical results are compared with computer simulations using the code ECHO.
- Research Organization:
- Brookhaven National Laboratory (BNL) National Synchrotron Light Source
- Sponsoring Organization:
- DOE - Office Of Science
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1001319
- Report Number(s):
- BNL--94345-2010-JA; KC0401030
- Journal Information:
- Physical Review Special Topics - Accelerators and Beams, Journal Name: Physical Review Special Topics - Accelerators and Beams Journal Issue: 10 Vol. 13; ISSN XX080B; ISSN 1098-4402
- Country of Publication:
- United States
- Language:
- English
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