Report/Dissertation / PhD Thesis

PUBDB-2015-04548

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Incorporating space charge in the transverse phase-space matching and tomography at PITZ

Kourkafas, G. (Corresponding author)DESY*

2015
Verlag Deutsches Elektronen-Synchrotron Hamburg

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Please use a persistent id in citations: doi:10.3204/DESY-THESIS-2015-044

Report No.: DESY-THESIS-2015-044

Abstract: The ever-expanding achievements in the field of particle accelerators push their specifications to very demanding levels. The performance of many modern applications depends on their ability to be operated with high bunch charges confined in small volumes. However, the consequence of increased intensity is strong space-charge forces, which perplex the beam manipulation and undermine the beam quality. As a result, reliable methods are needed to control and measure the accelerated particles under these extraordinary conditions.The phase space tomography is a diagnostic technique which can reveal details of the transverse beam parameters for a wide range of intensities and energies, with minimal influence from the machine instabilities, in a quasi non-destructive way. The accuracy of this method relies on the precise knowledge and control of the particle dynamics under the influence of space charge in the different stages of the measurement.On the one hand, the matching of the beam to the measurement's design transverse parameters requires a procedure which efficiently compensates the effects of space charge. Depending on the structure of the magnetic lattice, different aspects of these effects prevail, therefore different strategies have to be developed. On the other hand, the impact of the space-charge forces on the phase-space transformations during the data acquisition has to be included in the model which is used for the tomographic reconstruction.The aim of this thesis is to provide and test time-efficient solutions for the incorporation of space charge in the transverse beam matching and phase space tomography.

Note: Universität Hamburg, Diss., 2015

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Contributing Institute(s):

1. Photoinjektor (ZEU-PITZ)

Research Program(s):

1. 631 - Accelerator R & D (POF3-631) (POF3-631)

Experiment(s):

1. Photo Injector Test Facility

Appears in the scientific report 2015

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