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TY - CONF AU - Sugimoto, H. AU - Koiso, H. AU - Morita, A. AU - Ohnishi, Y. AU - Oide, K. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Design Study of the SuperKEKB Interaction Region Optics J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - SuperKEKB is an upgrade project of KEKB e⁺e⁻ ring collider and is aimed to open up a new luminosity frontier. The target peak luminosity is 8x10³⁵ cm⁻² s⁻¹. In order to achieve this target, a nano-beam scheme is adopted, in which colliding beams are squeezed to nano-scale sizes in the vertical direction at the interaction point (IP). The interaction region (IR) is an essential part of the SuperKEKB lattice design since the large chromaticity originated in the final focusing system (QCS) and strong lattice nonlinear forces make the particle motion unstable. An optics with detailed hardware specifications has been designed to optimize a performance of the beam dynamics. Design studies of IR taking into account a possible QCS imperfection are reported in this paper. PB - JACoW CP - Geneva, Switzerland SP - 950 EP - 952 KW - sextupole KW - octupole KW - quadrupole KW - dynamic-aperture KW - simulation DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-TUOAB02 UR - http://jacow.org/ipac2014/papers/tuoab02.pdf ER -