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Academic Interests

My research topic is particle accelerator technology. I am a post.doc. affiliated with CERN, working in the CLIC (Compact Linear Collider) project. CLIC is a proposed future electron/positron particle collider, where the energy needed for acceleration is extracted from a high-intensity electron drive beam. My focus is on Wakefield Monitors, which is a type of instrumentation used for very precise determination of the position of a beam inside accelerating structures. We test Wakefield Monitors with beam in the CLIC Test Facility 3 at CERN, and look at possible improvements. I also simulate the electromagnetic fields in the structures using the simulation code GdfidL, and simulate the beamline and beam dynamics using the code Placet.

Higher education and employment history

  • 2011-2014: Ph.D. in experimental high energy physics from the University of Oslo. I was based at CERN, and studied strong beam deceleration and energy extraction in the CLIC Test Facility 3. Using a series of Power Extraction and Transfer Structures (PETS), we extracted up to 40% of the beam energy and converted it to 12 GHz RF power (up to 700 MW). I also wrote my own Particle-In-Cell (PIC) code, to study "space charge" in CLIC particle bunches. Finally I did some simulations using the codes Placet, GdfidL and MadX.
  • 2008-2010: M.Sc. ('Sivilingeniør') in electronics from the Norwegian University of Science and Technology (NTNU), with a specialization in Multimedia Signal Processing. The M.Sc. thesis was done at CERN, with the title 'Power production experiments at the Test Beam Line in the CLIC Test Facility 3'. I followed CERN's Technical student programme in 2010.
  • 2005-2008: B.Sc. in electronics from Høgskolen i Telemark (HiT).



Tags: Particle accelerators, CERN, CLIC, CTF3


View all works in Cristin

  • Lillestøl, Reidar Lunde (2014). Collective effects and experimental verification of the CLIC drive beam and decelerator.

View all works in Cristin

Published Feb. 8, 2011 9:36 AM - Last modified Oct. 15, 2015 11:07 PM


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