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Sakamoto, Shinichi; Meigo, Shinichiro; Fujimori, Hiroshi*; Harada, Masahide; Konno, Chikara; Kasugai, Yoshimi; Kai, Tetsuya; Miyake, Yasuhiro*; Ikeda, Yujiro
Nuclear Instruments and Methods in Physics Research A, 562(2), p.638 - 641, 2006/06
Times Cited Count：8 Percentile：50.27(Instruments & Instrumentation)Materials and Life Science Facility of Japan Proton Accelerator Research Complex (J-PARC) is an experimental facility where neutron and muon beams are provided as powerful probes. They are generated with high-intensity proton beam supplied through a 3-GeV proton beam transport (3NBT) line. Its beam optics and components were designed to transport the proton beam of large emittance with extremely low loss rate. The 3NBT accommodates an intermediate target that causes large beam loss. The scheme of the cascade target system was carefully devised to overcome difficulties due to high radiation.
Oi, Motoki; Meigo, Shinichiro
JAERI-Tech 2005-025, 52 Pages, 2005/03
JAERI-Tech-2005-025.pdf:3.28MB
In the J-PARC 3GeV proton beam transport facility (3NBT), proton beam profile monitor, halo monitor, loss monitor and proton current monitors are used as proton beam monitor. The electric signals from these monitors are converted to digital signal with ADC on CAMAC modules and monitoring with EPICS system through CAMAC controller CC/NET. At the 3NBT proton beam monitor system, these are monitored with frequency of 25Hz and all of these data are archived. In this report, we develop the EPICS system for 3NBT proton beam monitors and confirm the performance of the system. As a result, we can monitor and archive these proton beam monitor signals at 25 Hz with CC/NET and EPICS.
