Analytical formulas for short bunch wakes in a flat dechirper
Abstract
We develop analytical models of the longitudinal and transverse wakes, on and off axis for a flat, corrugated beam pipe with realistic parameters, and then compare them with numerical calculations, and generally find good agreement. These analytical “first order” formulas approximate the droop at the origin of the longitudinal wake and of the slope of the transverse wakes; they represent an improvement in accuracy over earlier, “zeroth order” formulas. In example calculations for the RadiaBeam/LCLS dechirper using typical parameters, we find a 16% droop in the energy chirp at the bunch tail compared to simpler calculations. As a result, with the beam moved to 200 μm from one jaw in one dechirper section, one can achieve a 3 MV transverse kick differential over a 30 μm length.
- Authors:
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1282429
- Alternate Identifier(s):
- OSTI ID: 1312652
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Accelerators and Beams Journal Volume: 19 Journal Issue: 8; Journal ID: ISSN 2469-9888
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Bane, Karl, Stupakov, Gennady, and Zagorodnov, Igor. Analytical formulas for short bunch wakes in a flat dechirper. United States: N. p., 2016.
Web. doi:10.1103/PhysRevAccelBeams.19.084401.
Bane, Karl, Stupakov, Gennady, & Zagorodnov, Igor. Analytical formulas for short bunch wakes in a flat dechirper. United States. https://doi.org/10.1103/PhysRevAccelBeams.19.084401
Bane, Karl, Stupakov, Gennady, and Zagorodnov, Igor. Thu .
"Analytical formulas for short bunch wakes in a flat dechirper". United States. https://doi.org/10.1103/PhysRevAccelBeams.19.084401.
@article{osti_1282429,
title = {Analytical formulas for short bunch wakes in a flat dechirper},
author = {Bane, Karl and Stupakov, Gennady and Zagorodnov, Igor},
abstractNote = {We develop analytical models of the longitudinal and transverse wakes, on and off axis for a flat, corrugated beam pipe with realistic parameters, and then compare them with numerical calculations, and generally find good agreement. These analytical “first order” formulas approximate the droop at the origin of the longitudinal wake and of the slope of the transverse wakes; they represent an improvement in accuracy over earlier, “zeroth order” formulas. In example calculations for the RadiaBeam/LCLS dechirper using typical parameters, we find a 16% droop in the energy chirp at the bunch tail compared to simpler calculations. As a result, with the beam moved to 200 μm from one jaw in one dechirper section, one can achieve a 3 MV transverse kick differential over a 30 μm length.},
doi = {10.1103/PhysRevAccelBeams.19.084401},
journal = {Physical Review Accelerators and Beams},
number = 8,
volume = 19,
place = {United States},
year = {2016},
month = {8}
}
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https://doi.org/10.1103/PhysRevAccelBeams.19.084401
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Works referenced in this record:
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- Zhao, Zhouyu; Li, Heting; Jia, Qika
- Physical Review Accelerators and Beams, Vol. 21, Issue 2
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- Zhao, Zhouyu; Li, Heting; Jia, Qika
- Physical Review Accelerators and Beams, Vol. 21, Issue 2
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journal, October 2016
- Lutman, Alberto A.; Maxwell, Timothy J.; MacArthur, James P.
- Nature Photonics, Vol. 10, Issue 11