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TY - CONF AU - Tanaka, O. AU - Miyajima, T. AU - Nakamura, N. AU - Obina, T. AU - Shimada, M. AU - Takai, R. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - Simulation Study of the Beam Halo Formation for Beam Loss Estimation and Mitigation at KEK Compact ERL J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - At KEK Compact ERL (cERL) we are aiming to produce high-current and low-emittance electron beams (up to 10 mA) without significant beam loss. We believe that beam halo makes a significant impact into the beam loss. Therefore, we are performing beam loss simulations to meet the results of the beam loss measurements*. In particular, a simulation of the bunch tail originated from the electron gun was performed to understand the mechanisms of the beam halo formation. Since some measured beam profiles demonstrated unexpected halo particles, several factors such as misalignment of beam line elements and kicks from the steering coils were added into the simulation. Simulation study results are compared with the related beam loss and halo measurements here. PB - JACoW CP - Geneva, Switzerland SP - 1843 EP - 1846 KW - simulation KW - cavity KW - operation KW - electron KW - gun DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-TUPOW039 UR - http://jacow.org/ipac2016/papers/tupow039.pdf ER -