ECRIS Charge Breeding at ISAC

ISAC基于ECR离子源的离子注入式电离(英文)

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摘要 An ECR ion source for charge breeding of radioactive ions from the ISAC facility at TRIUMF has been set up at a test stand.It has been operated with different ion sources for the injection of singly charged ions and the efficiency,breeding time and emittance have been determined for several elements.A maximum efficiency of more than 6% for the breeding of Kr^(12+) has been achieved so far.Additionally the charge exchange of Rb and Cs ions in the range of 10+ to 23+ with residual gas molecules in the transport beam lines has been investigated.The absolute values for the cross sections at 10—15 q keV agree with predictions extrapolated from lower charge states but the strong dependence on the ionization energy of the gas molecules could not be verified. An ECR ion source for charge breeding of radioactive ions from the ISAC facility at TRIUMF has been set up at a test stand.It has been operated with different ion sources for the injection of singly charged ions and the efficiency,breeding time and emittance have been determined for several elements.A maximum efficiency of more than 6% for the breeding of Kr<sup>12+</sup> has been achieved so far.Additionally the charge exchange of Rb and Cs ions in the range of 10+ to 23+ with residual gas molecules in the transport beam lines has been investigated.The absolute values for the cross sections at 10—15 q keV agree with predictions extrapolated from lower charge states but the strong dependence on the ionization energy of the gas molecules could not be verified.

作者 F.Ames R.Baartman P.Bricault K.Jayamanna M.McDonald M.Olivo P.Schmor D.H.L.Yuan T.Lamy

机构地区 TRIUMF LPSC

出处《Chinese Physics C》 SCIE CAS CSCD 北大核心 2007年第S1期211-215,共5页 中国物理C（英文版）

基金 Supported by NRC Canada

关键词 ECRIS CHARGE BREEDING RADIOACTIVE IONS CHARGE EXCHANGE ECRIS charge breeding radioactive ions charge exchange

分类号 TL503.3 [核科学技术—核技术及应用]

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ECRIS Charge Breeding at ISAC

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