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Journals and Conferences
A transverse matching scheme has been planned for the J-PARC linac beam commissioning with use of wire scanners. The beam diagnosis layout has been determined to realize the planned matching scheme. Continuous monitoring of the matching with beam position monitors is also discussed.
H. Takahashi,1,* J. K. Ahn,1, H. Akikawa,1 S. Aoki,2 K. Arai,3 S. Y. Bahk,4 K. M. Baik,5 B. Bassalleck,6 J. H. Chung,7 M. S. Chung,5 D. H. Davis,8 T. Fukuda,9,‡ K. Hoshino,10 A. Ichikawa,1 M. Ieiri,9 K. Imai,1 Y. H. Iwata,7 Y. S. Iwata,7 H. Kanda,1,§ M. Kaneko,7 T. Kawai,10 M. Kawasaki,7 C. O. Kim,5 J. Y. Kim,11 S. J. Kim,11 S. H. Kim,12 Y. Kondo,1,k T.… (More)
The beam commissioning of J-PARC LINAC has been started in November 2006. Beam position monitors (BPMs) which had been calibrated on the bench setup with a scanning wire, take beam-based-calibration method in order to enable the beam to pass at the centre of a quadrupole magnet (Q-magnet). In this presentation, the installed BPMs and their calibration… (More)
In the J-PARC LINAC, there are mainly two requirements for calibration of beam position monitors (BPMs). One is that BPMs need to be calibrated with the accuracy of less than about a hundred micrometers to minimize beam loss for the world highest class of proton intensity. The other is that about a hundred of BPMs need to be calibrated and maintained… (More)
Beam commissioning of J-PARC linac has been performed since November 2006. We have developed wire scanners in order to measure beam profile and perform transverse matching. Four wire scanners are installed at each matching section. We report the result of measurement of beam profile.