The DTL/SDTL alignment of the J-PARC linac

Morishita, Takatoshi ; Asano, Hiroyuki; Ito, Takashi ; Ueno, Akira ; Hasegawa, Kazuo; Naito, Fujio*; Takasaki, Eiichi*; Tanaka, Hirokazu*; Yoshino, Kazuo*; Ikegami, Masanori*

J-PARC linear accelerator components have been installed. The required alignment accuracy in the J-PARC linac is 0.1mm in transverse direction. In the DTL/SDTL section, the fine alignment was carried out by using an optical alignment telescope along with the cavity installation. The displacement of the DTL by the unit tank connection was monitored by a laser tracker to obtain the tolerable displacement between unit tanks. The heights of cavities and magnets were compensated form the unequal ground movement of the linac tunnel. Finally, all the cavities and magnets are aligned within the tolerable alignment error.

Language	:	English
Journal	:	Proceedings of 2007 Particle Accelerator Conference (PAC '07) (Internet)
Volume	:
Number	:
Pages	:	p.1523 - 1525
Publication Year/Month	:	2007/06
Meeting title	:	2007 Particle Accelerator Conference (PAC '07)
Held date	:	2007/06
Location (city)	:	Albuquerque
Location (country)	:	U.S.A.
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Keywords	:	no keyword
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Registration No. : BB20070794
JAEA Abstracts No. :
Paper Submission No. : 8510

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