Electrostatic separator for K1.8 beam line at J-PARC

Masaharu Ieiri,Michifumi Minakawa,Keizo Agari,Yohji Katoh,Erina Hirose,Hiroyuki Noumi,Yoshinori Sato,Yoshihiro Suzuki,Hitoshi Takahashi,Minoru Takasaki,Kazuhiro Tanaka,Akihisa Toyoda,Yutaka Yamanoi,Hiroaki Watanabe

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2008）

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摘要

The new electrostatic (ES) separator to select and deliver 1–2GeV/c kaon beams is made for the secondary beam line at the high intensity proton accelerator facility. The ES separator will generate a 75kV/cm electrostatic field between parallel electrodes of 10cm gap and 6m in length along the beam direction. The K−/π− ratio of the line is expected to have a larger value than 1. It is designed so as to be radiation-proof and to lower spark rate comparing with the present separators.

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关键词

29.27.Eg,41.85.Ct,41.85.Ne

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