Fighting beam instabilities at CTF3

Examensarbete för masterexamen

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Type: Examensarbete för masterexamen
Master Thesis
Title: Fighting beam instabilities at CTF3
Authors: Persson, Tobias
Abstract: CTF3 is a test facility built to test key concepts of CLIC, which is a proposed Multi-TeV e+e􀀀 collider. The success of CTF3 is crucial to demonstrate the feasibility of CLIC. This thesis focuses on beam stability and operational improvements at CTF3. It describes a software which I have developed for the operation of CTF3 and presents the results obtained. The main purpose of the software is to identify changes in the beam and trace their causes. The program has already become one of the most heavily used operational tools. Using the program I have also performed beam stability measurements in CTF3 and the results are compared with the requirements for CLIC. The results show that the CLIC requirements for the beam stability are fulfilled in the first part of CTF3. The causes of the beam instabilities have been determined and are explained. Tune measurements of the combiner ring at CTF3 are presented and compared to the model. The strong damping of the oscillation which was observed is explained.
Keywords: Fysik;Physical Sciences
Issue Date: 2011
Publisher: Chalmers tekniska högskola / Institutionen för energi och miljö
Chalmers University of Technology / Department of Energy and Environment
Collection:Examensarbeten för masterexamen // Master Theses

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