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TY - CONF AU - Ahmadi, E. AU - Ahmadiannamin, S. AU - Jazayeri, S.M. AU - Rahighi, J. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Evaluation of Collective Effects in Iranian Light Source Facility (ILSF) Storage Ring J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - In this paper, we present the calculations of various collective effects in the storage ring of ILSF, a synchrotron light source under design in Iran. The ILSF storage ring is based on 5-BA lattice structure and emittance of 270 pm-rad which is optimized to provide high brightness and flux photons for the users. Because of design features, small radius vacuum pipe and small momentum compaction factor of lattice, it is expected that instabilities emerging from collective effects will affect significantly the beam quality and make it is challenging to reach maximum designed beam current. We will address the results of beam quality degradation and threshold calculations for different singlebunch and multibunch instabilities. PB - JACoW CP - Geneva, Switzerland SP - 4650 EP - 4652 KW - impedance KW - storage-ring KW - vacuum KW - emittance KW - scattering DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-THPVA084 UR - http://jacow.org/ipac2017/papers/thpva084.pdf ER -