CERN Accelerating science

Article
Report number	physics/0008117 ; SLAC-PUB-8949 ; CERN-PS-2000-056-AE ; CLIC-Note-458 ; LINAC2000-TH206 ; JLAB-ACT-00-14
Title	Coherent synchrotron radiation measurements in the CLIC test facility (CTF II)
Related title	Compact linear collider Collider Test Facility
Author(s)	Braun, Hans-Heinrich (CERN) ; Corsini, R. (CERN) ; Groening, L. (CERN) ; Zhou, F. (CERN) ; Kabel, A. (SLAC) ; Raubenheimer, T. (SLAC) ; Li, R. (Jefferson Lab) ; Limberg, T. (DESY)
Affiliation	(CERN)
Publication	2000
Imprint	11 Sep 2000
Number of pages	5
In:	eConf C000821 (2000) pp.TH206
In:	20th International Linear Accelerator Conference, Monterey, CA, USA, 21 - 25 Aug 2000, pp.TH206
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN PS CLIC ; CTF
Abstract	Bunches of high charge (up to 10 nC) are compressed in length in the CTF II magnetic chicane to less than 0.2 mm rms. The short bunches radiate coherently in the chicane magnetic field, and the horizontal and longitudinal phase space density distributions are affected. This paper reports the results of beam emittance and momentum measurements. Horizontal and vertical emittances and momentum spectra were measured for different bunch compression factors and bunch charges. In particular, for 10 nC bunches, the mean beam momentum decreased by about 5% while the FWHM momentum spread increased from 5% to 19%. The experimental results are compared with simulations made with the code TraFiC4.
Copyright/License	© CERN (License: CC-BY-4.0)

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