Outgassing measurements for vacuum chamber used for J-PARC accelerators

Saito, Yoshio*; Sato, Yoshihiro*; Shimamoto, Masayuki*; Kubo, Tomio*; Uota, Masahiko*; Hori, Yoichiro*; Kinsho, Michikazu ; Kabeya, Zenzaburo*

In the J-PARC acceletarors, maintenances should be minimized under high levels of radiation. An ultra high vacuum is required for the system in order to realize a long lifetime of the vacuum components. Materials of copper, stainless steel, titanium, alumina ceramics are to be finished as so to reduce the outgassing rate. The measurement of outgassing rate of titanium whose surface is chemically stable has the lowest value compared to any other materials examined so far.

Language	:	Japanese
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Meeting title	:	第48回真空に関する連合講演会
Held date	:	2007/11
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	J-PARC加速器
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Article of JAEA R&D Review	:
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Registration No. : BB20072496
JAEA Abstracts No. :
Paper Submission No. :

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