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TY - CONF AU - Koopmans, M. AU - Armborst, F. AU - Hwang, J.G. AU - Jankowiak, A. AU - Kuske, P. AU - Ries, M. AU - Schiwietz, G. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Vertical Beam Size Measurement Methods at the BESSY II Storage Ring and their Resolution Limits J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - With the VSR upgrade for the BESSY II electron storage ring* bunch resolved diagnostics are required for machine commissioning and to ensure the long-term quality and stability of operation. For transverse beam size measurements we are going to use an interferometric method, which will be combined with a fast gated intensified CCD camera at a subsequent stage. A double-slit interferometer method has already been verified successfully at BESSY II**. In addition first 2D bunch resolved measurement tests have been performed at the dedicated diagnostics beamline for bunch length measurements. Measurements of the interferometer and X-ray pinholes as function of a vertical electron beam excitation are compared in this paper. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2491 EP - 2494 DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPGW012 UR - http://jacow.org/ipac2019/papers/wepgw012.pdf ER -