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TY - CONF AU - Wang, G.M. AU - Choi, J. AU - Chubar, O.V. AU - Hidaka, Y. AU - Mezentsev, N.A. AU - Shaftan, T.V. AU - Sharma, S.K. AU - Smaluk, V.V. AU - Spataro, C.J. AU - Tanabe, T. ED - Yamazaki, Yoshishige ED - Raubenheimer, Tor ED - McCausey, Amy ED - Schaa, Volker RW TI - Reaching Low Emittance in Synchrotron Light Sources by Using Complex Bends J2 - Proc. of NAPAC2019, Lansing, MI, USA, 01-06 September 2019 CY - Lansing, MI, USA T2 - North American Particle Accelerator Conference T3 - 4 LA - english AB - All modern projects of low-emittance synchrotrons follow Multi-Bend Achromat approach*. The low emittance is realized by arranging small horizontal beta-function and dispersion in the bending magnets, the number of which varies from 4 to 9 magnets per cell. We propose an alternative way to reach low emittance by use of a lattice element that we call "Complex Bend"**, instead of regular dipole magnets. The Complex Bend is a new concept of bending magnet consisting of a number of dipole poles interleaved with strong alternate focusing so as to maintain the beta-function and dispersion oscillating at very low values. The details of Complex Bend, considerations regarding the choice of optimal parameters, thoughts for its practical realization and use in low-emittance lattices, are discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 352 EP - 355 KW - lattice KW - emittance KW - quadrupole KW - dipole KW - focusing DA - 2019/10 PY - 2019 SN - 2673-7000 SN - 978-3-95450-223-3 DO - doi:10.18429/JACoW-NAPAC2019-TUZBB2 UR - http://jacow.org/napac2019/papers/tuzbb2.pdf ER -