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TY - CONF AU - Liu, S. AU - Balandin, V. AU - Beutner, B. AU - Decking, W. AU - Fröhlich, L. AU - Golubeva, N. AU - Lensch, T. ED - Bishofberger, Kip:Carlsten, Bruce (LANL, Los Alamos, NM, USA)[ORCID:0000-0001-5619-907X] ED - Schaa, Volker RW TI - First Beam Halo Measurements Using Wire Scanners at the European XFEL J2 - Proc. of FEL2017, Santa Fe, NM, USA, August 20-25, 2017 C1 - Santa Fe, NM, USA T2 - International Free Electron Laser Conference T3 - 38 LA - english AB - Beam halo measurements and collimations are of great importance at the European XFEL, especially for the operation at high repetition rates (27000 pulses/s). First beam halo measurements have been performed during the commissioning using the wire scanners installed before and after the ~200 m long post-linac collimation section. We present the measurement results and the comparison of beam halo distributions before and after the collimation section. PB - JACoW CP - Geneva, Switzerland SP - 255 EP - 258 KW - ion KW - collimation KW - FEL KW - optics KW - detector DA - 2018/02 PY - 2018 SN - 978-3-95450-179-3 DO - 10.18429/JACoW-FEL2017-TUP003 UR - http://jacow.org/fel2017/papers/tup003.pdf ER -