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TY - UNPB AU - Kuske, P. ED - Chin, Yong Ho ED - Zhao, Zhentang ED - Petit-Jean-Genaz, Christine ED - Schaa, Volker RW TI - Round Beam Related Challenges in Storage Ring Light Sources J2 - Proc. of FLS2018, Shanghai, China, 5-9 March 2018 C1 - Shanghai, China T2 - ICFA Advanced Beam Dynamics Workshop T3 - 60 LA - english AB - In future low emittance storage ring based light sources round beams are desired for reducing Touschek scattering losses, mitigating emittance growth from IBS, and, last but not least, round beams offer more suitable and better photon beam parameters at the end of beam lines and finally at the user's samples. Various schemes have been proposed to make the naturally flat electron beam in storage rings round. These schemes are more or less challenging and their pros and cons will be presented in this contribution. PB - JACoW Publishing CP - Geneva, Switzerland ER -