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TY - CONF AU - Storey, D.W. AU - Abernathy, J.M. AU - Birney, P.S. AU - Dirksen, P.E. AU - Karlen, D. AU - Koscielniak, S.R. AU - Lenckowski, M. AU - Pfleger, M.O. AU - Poffenberger, P.R. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Performance of OTR and Scintillator View Screens for the ARIEL Electron Linac J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - The ARIEL electron linac is a 0.3 MW CW accelerator, extensible to 0.5 MW, being installed at TRIUMF for radioactive beam production. To date, 17 view screen monitors have been installed along the beamline and have proven to be essential tools in the commissioning of e-linac systems. These are populated by two types of beam targets: P46 scintillator screens which provide diagnostics for low duty factor operation, while at locations with beam energies at and above 10 MeV, OTR foils using either Pyrolytic Graphite or Niobium foils are included to provide coverage up to 100's of μA average beam current. The design of the view screen is described including the image acquisition system and beam target selection. The performance thus far of the OTR foils under low duty factor commissioning is presented including quantification of the OTR emission distribution, thermal studies, and transmission of the beam through the linac after intercepting a foil. PB - JACoW CP - Geneva, Switzerland SP - 117 EP - 119 KW - target KW - linac KW - optics KW - radiation KW - scattering DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-MOPAB021 UR - http://jacow.org/ipac2017/papers/mopab021.pdf ER -