1670955 SzGeCERN 20151106234549.0 oai:cds.cern.ch:1670955 cerncds:CERN CERN PS ARTICLE CERN 13 104676 227-237 daresbury680422 11 p ARTICLE ConferencePaper Thorndahl, L CERN Non-destructive proton beam profile scanners for the CERN Proton Synchrotron, based on the ionization of residual gas in the beam vacuum chambers 1968 SzGeCERN Accelerators and Storage Rings Johnson, C D CERN h 201413 a1968 eng INSPIRE 1286815