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Morishita, Takatoshi
no journal, ,
In the J-PARC linac, the installation methods of the DTL/SDTL acceleration cavity and the result of alignment are reported. The alignment telescope and the laser tracker were chosen for the alignment instruments to satisfy the alignment tolerance in the linac. As a result, the alignment accuracy is satisfied in the whole area of DTL/SDTL. The floor elevation was measured to check the motion of the accelerator tunnel itself where the DTL/SDTL acceleration cavities are installed. A fault change was not observed and the floor elevation was found to be stabilized less than 
1mm. In addition, the ground motion watching system is shown.
Chishiro, Etsuji; Suzuki, Hiroyuki; Yamazaki, Masayoshi; Hori, Toshihiko; Kobayashi, Tetsuya; Fukui, Yuji*; Kawamura, Masato*; Fang, Z.*; Yamaguchi, Seiya*; Anami, Shozo*; et al.
no journal, ,
The RF compoments of the J-PARC linac have been installed in the building, and the evaluation of each compoment was started. In this workshop, we report the recent status and R&D results of the RF system.
Hasegawa, Kazuo
no journal, ,
The J-PARC (Japan Proton Accelerator Research Complex) is a project to pursue frontier science and nuclear technology. It comprises a linac, a 3-GeV rapid-cycling synchrotron (RCS), a 50-GeV main ring synchrotron (MR) and experimental facilities. The beam commissioning of the linac will be started in December, 2006, followed by the RCS and MR beam commissioning. Features and status of the J-PARC accelerator will be presented.
Ito, Takashi
no journal, ,
no abstracts in English