TITLE

Test results of 18 GHz ECR charge breeder for KEK–JAERI RNB facility

AUTHOR(S)
Jeong, S. C.; Oyaizu, M.; Tojyo, E.; Kawakami, H.; Ishiyama, H.; Miyatake, H.; Enomoto, K.; Watanabe, Y.; Katayama, I.; Nomura, T.; Matsuda, M.; Osa, A.; Ichikawa, S.
PUB. DATE
May 2004
SOURCE
Review of Scientific Instruments;May2004, Vol. 75 Issue 5, p1631
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Some of the test results of KEK ECR charge breeder made for KEK–JAERI RNB facility are presented and discussed. The charge breeding efficiencies for singly charged ions of noble gases have been measured; typically 13.5% of Ar9+, 10.4% of Kr12+, and 6.8% of Xe20+ with a global efficiency of about 50%. By injecting pulsed Xe1+ ion beam into the charge breeder, the time necessary for charge breeding has been also measured and found to be about 60 ms for Xe21+ ions. As an effort to reduce the residual gas ions incidentally existing in the plasma chamber of the charge breeder a nonevaporable getter has been tested, and the preliminary results are discussed. © 2004 American Institute of Physics.
ACCESSION #
13154511

 

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