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CERN - Laboratório Europeu de Física de Partículas

Concurso para apresentação de candidaturas
aberto até 30 de Setembro de 2011

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Accelerator Physics
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Job Code	BE3262
Department	BE
Discipline	Electrical Engineering
Description	The accelerating structures of Linac4 are currently under construction at CERN. Parts for the first RF cavities are being delivered to CERN and will be assembled at CERN over a period of a year. - Metrology results shall be used to construct realistic Superfish (2.5D EM) simulations of the structures before they become available in order to estimate field errors. - Existing work on tuning strategies (sLHC-project-Report-0028, sLHC-project-Note-0014) shall be applied to estimate frequency errors. - The tuning strategies shall be extended to predict individual tuner and post-coupler lengths before the machining of final pieces. - After assembly of cavities expected from December 2011, they shall be checked by spectrum and bead-pull measurements and compared with simulations. - Simulation and measurement results shall be documented.
Special Requirements	Applied Physics or electrical engineering degree. Knowledge or experience with finite element modelling software such as CST Microwave Studio or HFSS, and general programming skills would be an advantage.
Training Value	The Trainee will get hands-on experience in the assembly, measurement and tuning of accelerator cavities.
Supervisor	SUITBERT RAMBERGER

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