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TY - CONF AU - Du, C.C. AU - Wang, J.Q. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Research of a Locally-round Beam in HEPS Storage Ring Using Solenoids J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - "Round beam", that is, a beam with equivalent transverse emittance, is expected for a significant fraction of the beamline users in light sources. We investigate the possibility of reaching round beam in a storage ring, by means of a local exchange of the apparent horizontal and vertical emittance, performed with solenoids in a dedicated insertion line in the storage ring. In this paper, we show that a locally-round beam can be achieved by using solenoid in High Energy Photon Source (HEPS) storage ring, particularly to one of the design having natural emittance of 34.2 pm·rad. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4175 EP - 4177 KW - solenoid KW - storage-ring KW - dynamic-aperture KW - emittance KW - undulator DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-THPMF051 UR - http://jacow.org/ipac2018/papers/thpmf051.pdf ER -