J-PARC construction and its linac commissioning

Yamazaki, Yoshishige

The J-PARC (Japan Proton Accelerator Research Complex) is under construction in JAERI Tokai site. The beam commissioning will start there by the end of 2006. Prior to this, the front end of the linac was beam-commissioned in 2003 at KEK. The negative hydrogen beam with a peak current of 30 mA was accelerated up to 20 MeV by the first tank of the three DTL's following the 3-MeV RFQ linac. The 324-MHz DTL contains the electro quadrupole magnets with water-cooling channels specially fabricated by means of electroforming and wire-cutting technologies. The construction status of the J-PARC accelerator is also presented.

Language	:	English
Journal	:	Proceedings of 9th European Particle Accelerator Conference (EPAC 2004)
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Pages	:	p.1351 - 1353
Publication Year/Month	:	2004/00
Meeting title	:	9th European Particle Accelerator Conference (EPAC 2004)
Held date	:	2004/07
Location (city)	:	Lucerne
Location (country)	:	Switzerland
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Keywords	:	Accelerator; Proton; Negative Hydrogen; Linac; Synchrotoron; Neutron Source; Neutrino; DTL; RFQ; High Intensity
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Article of JAEA R&D Review	:
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Registration No. : B20040690
JAEA Abstracts No. : 34000616
Paper Submission No. : 750

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