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Electron beam deceleration measurements using the decelerator test beam line in the Compact Linear Collider test facility
CERN, European Organization for Nuclear Research, Geneva, Switzerland.
CERN, European Organization for Nuclear Research, Geneva, Switzerland.
University of Oslo, Norway.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy. (FREIA)
2014 (English)In: Physical Review Special Topics. Accelerators and Beams, ISSN 1098-4402, Vol. 17, no 3, 031003- p.Article in journal (Refereed) Published
Abstract [en]

We discuss beam deceleration through a series of 12 power extraction and transfer structures, at the CLIC test facility 3 at CERN, as a proof-of-principle of the CLIC deceleration scheme. Up to 36% of the kinetic energy of an electron drive beam is extracted and converted to 12 GHz rf power. We look at the average and maximum energy loss of the particles, and compare them with simulations performed with the placet tracking code. The measured final energy is also compared to predictions based on the measured beam current and rf power in the structures. In the analysis we make use of the charge distribution form factor, taking into account the bunch length and the bunch phase. Finally, we look at the evolution of the transverse emittance with deceleration and compare the measured emittance with simulations.

Place, publisher, year, edition, pages
2014. Vol. 17, no 3, 031003- p.
National Category
Accelerator Physics and Instrumentation
Research subject
Physics with specialization in Elementary Particle Physics
URN: urn:nbn:se:uu:diva-221677DOI: 10.1103/PhysRevSTAB.17.031003ISI: 000333971400001OAI: diva2:709786
Available from: 2014-04-03 Created: 2014-04-03 Last updated: 2014-05-15Bibliographically approved

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Olvegård, Maja
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