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Persistent URL
http://purl.org/net/epubs/work/24032771
Record Status
Checked
Record Id
24032771
Title
Realistic undulators for intense gamma-ray beams at future colliders
Contributors
A Alrashdi (Cockcroft Inst., and Lancaster Univ.)
,
I Bailey (Cockcroft Inst., and Lancaster Univ.)
,
D Newton (Cockcroft Inst., and Liverpool Univ.)
Abstract
The baseline designs for the ILC and CLIC require the production of an intense flux of gamma rays in their positron sources. In the case of CLIC the gamma rays are produced by a Compton backscattering source, but in this paper we concentrate on undulator-based sources as proposed for the ILC.We present the development of a simulation to generate a magnetic field map based on a Fourier analysis of any measured field map. We have used a field map measured from the ILC helical undulator prototype to calculate the typical distribution of field errors, and used them in our calculations to produce simulated field maps. We show that a loss of gamma ray intensity of ~8% could be expected, compared to the ideal case. This leads to a similar drop in positron production which can be compensated for by increasing the undulator length.
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CI
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Language
English (EN)
Type
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Paper In Conference Proceedings
In 6th International Particle Accelerator Conference (IPAC'2015), Richmond, Virginia, USA, 3-8 May 2015, (2015): 1756-1758.
http://accelconf.…/papers/tupje057.pdf
2015
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