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TY - CONF AU - Liu, S. AU - Bai, S. AU - Bambade, P. AU - Faus-Golfe, A. AU - Fuster-Martínez, N. AU - Gao, J. AU - Tauchi, T. AU - Terunuma, N. AU - Wang, D. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Beam Halo Measurements using Wire Scanners at ATF2 J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - Beam halo hitting on the beam pipe after the Interaction Point (IP) can generate a large amount of background for the measurements of the nano meter beam size using the laser interferometer beam size monitor (Shintake monitor) at ATF2. In order to investigate the beam halo transverse distribution, a diamond detector will be installed downstream of the IP. A feasibility study of a transverse halo collimation system to reduce the background for these measurements is also in progress. Prior to the diamond detector installation, a first attempt of beam halo measurements have been performed in 2013 using the currently installed wire scanners. Modeling of the beam halo distribution in the extraction (EXT) line was done and compared with the old modeling for ATF. Beam halo measurements were also done using the post-IP wire scanner to investigate the beam halo distribution at post-IP. PB - JACoW CP - Geneva, Switzerland SP - 3445 EP - 3448 KW - background KW - detector KW - photon KW - collimation KW - experiment DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-THPME091 UR - http://jacow.org/ipac2014/papers/thpme091.pdf ER -