Journal of the Particle Accelerator Society of Japan
Online ISSN : 2436-1488
Print ISSN : 1349-3833
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Damage by the Great East Japan Earthquake and Current Status of the Sendai Cyclotron
Takashi WAKUI Masatoshi ITOHKenzi SHIMADAHidetomo YOSHIDATsutomu SHINOZUKAYasuhiro SAKEMI
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JOURNAL FREE ACCESS

2012 Volume 9 Issue 2 Pages 99-107

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Abstract

The Great East Japan Earthquake has inflicted damages on the accelerator facility of the Cyclotron and Radioisotope Center(CYRIC), Tohoku University. The K=110 MeV cyclotron was slanted due to the damage of props supporting the cyclotron. The cyclotron building has also been slightly inclined. This situation requires the re-alignment of all the beam transport line and the cyclotron. Some of the shield doors at experimental rooms were broken and blocked the entrance. The earthquake caused also a lot of damages to some components of the cyclotron as well as the beam transport lines, such as beam ducts, magnets, vacuum pumps and power supplies. Fortunately, no one was injured at CYRIC. The restoration work was started on July 2011 and will be completed by July 2012. This report describes the situation of damages and the current status of the restoration work.

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© 2012 Particle Accelerator Society of Japan
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