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| RPAT005 |
Beam Diagnostics for the J-PARC Main Ring Synchrotron
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958 |
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- T. Toyama, D.A. Arakawa, Y. Hashimoto, S. Lee, T. Miura, S. Muto
KEK, Ibaraki
- N. Hayashi, J. Kishiro, R. Toyokawa
JAERI/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken
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Beam diagnostics: beam intensity monitors (DCCT, SCT, FCT, WCM), beam position monitors (ESM), beam loss monitors (proportional chamber, air ion chamber), beam profile monitors (secondary electron emission, gas-sheet) have been designed, tested, and will be installed for the Main Ring synchrotron of J-PARC (Japan Proton Accelerator Research Complex). This paper describes the basic design principle and specification of each monitor, with a stress on how to cope with high power beam (average circulation current of ~12 A) and low beam loss operation (less than 1 W/m except a collimator region). Some results of preliminary performance test using present beams and a radiation source will be reported.
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