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Abstracts

XX International Linac Conference




MOD21 (Poster)

Presenter: A. Zherebtsov (IHEP)
email: zherebtson@mx.ihep.su
Status: Complete
FullText: pdf
Eprint: physics/0008020

IHEP Experience on Creation and Operation of RFQs

O.K. BELYAEV, O.V. ERSHOV, I.G. MALTSEV, V.B. STEPANOV, S.A. STREKALOVSKIKH, V.A. TEPLYAKOV, A.V. ZHEREBTSOV (IHEP)

Another 1.8 MeV proton RFQ was completed and start operation in August 1997. It will be the initial part of the modified injection system to the booster of the IHEP proton synchrotron. A high rate of acceleration (it reaches a value 1.4 Mev/m at the end of the RFQ) at 1.8 Kilpatric and transmission greater than 99% - are important features of this linac. During last two years a number of beam experiments and measurements with different beam current (30-120 mA) have been carried out. A long term operation experience with this RFQ shows that, surfaces of electrodes remain clean during and after operation session. Due to very clean surface of electrodes, a break-down limit is about 2 times higher than the operating field gradient. It makes such type of RFQs very promising for creating cw linacs.


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