Title: Extraction methods for the MedAustron Synchrotron
Language: English
Authors: Feldbauer, Gregor
Qualification level: Diploma
Keywords: MedAustron; CERN; Synchrotron; Beschleuniger; Extraktion; Hadronentherapie
MedAustron; CERN; Synchrotron; Accelerator; Extraction; Hadron-therapy
Advisor: Benedikt, Michael
Issue Date: 2011
Number of Pages: 127
Qualification level: Diploma
Abstract: 
Synchrotron-based cancer treatment facilities use resonant extraction mechanisms in order to extract light hadrons (protons, carbon ions) with a kinetic energy of a few hundred MeV per nucleon over a few seconds.
This thesis makes a comparative study of extraction methods in the context of the MedAustron facility, which is currently in its final design stage. The work focuses mainly on the chosen base-line extraction mechanism - the betatron-core driven, third-order resonance extraction scheme - but also includes the first feasibility studies of RF-Knockout extraction, Stochastic RF-Noise extraction and extraction via a quadrupole-induced tune-shift, using MedAustron parameters.
Furthermore, long term precision requirements on the power converter stability of the magnets in the synchrotron and the high energy beam transfer lines have been defined to ensure the clinically required long term beam energy, size and position stability.
Potential problems with low-energy protons concerning the precision requirements and with the capacity of the betatron-core are flagged.
URI: https://resolver.obvsg.at/urn:nbn:at:at-ubtuw:1-43044
http://hdl.handle.net/20.500.12708/14810
Library ID: AC07810426
Organisation: E141 - Atominstitut 
Publication Type: Thesis
Hochschulschrift
Appears in Collections:Thesis

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