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TY - CONF AU - Hwang, J.G. AU - Kuszynski, J. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Coronagraph Based Beam Halo Monitor Development for BERLinPro J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - For linac based high power electron machines, beam halo induced by nonlinear space charge force and scattering of trapped ions is one of the critical issues on a machine protection system. It causes additional radiation which can be a heat source on a cryogenic system as a result of uncontrolled beam losses. During the last decades, several instruments have been newly developed for measuring the beam halo distribution. The conceptual design and optimization of the coronagraph based halo monitor were performed to measure the beam halo which has ~ 10⁻³ contrast to the beam core. PB - JACoW CP - Geneva, Switzerland SP - 355 EP - 358 KW - background KW - electron KW - dipole KW - linac KW - scattering DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-MOPAB098 UR - http://jacow.org/ipac2017/papers/mopab098.pdf ER -