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TY - CONF AU - Kurennoy, S.S. AU - Rybarcyk, L. ED - Henderson, Stuart ED - Akers, Evelyn ED - Satogata, Todd ED - Schaa, Volker R.W. TI - Electromagnetic Modeling of 4-Rod RFQ Tuning J2 - Proc. of IPAC2015, Richmond, VA, USA, May 3-8, 2015 C1 - Richmond, VA, USA T2 - International Particle Accelerator Conference T3 - 6 LA - english AB - Modern codes make possible detailed 3D electromagnetic modeling of RFQ accelerators. We have recently analyzed two 201.25-MHz 4-rod RFQs – one commissioned at FNAL and a new design for LANL – with CST Studio using imported manufacturer CAD files*. The RFQ electromagnetic analysis with MicroWave Studio (MWS) was followed by beam dynamics modeling with Particle Studio as well as other multi-particle codes. Here we apply a similar approach to study the process of RFQ tuning in 3D CST models. In particular, the results will be used to better understand tuning the voltage flatness along the new LANL 4-rod RFQ. PB - JACoW CP - Geneva, Switzerland SP - 4076 EP - 4078 KW - rfq KW - simulation KW - vacuum KW - quadrupole KW - linac DA - 2015/06 PY - 2015 SN - 978-3-95450-168-7 DO - 10.18429/JACoW-IPAC2015-THPF149 UR - http://jacow.org/ipac2015/papers/thpf149.pdf ER -