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Valentino, V.

Paper Title Page
F-02 Hollow Cathode E-Gun for EBIS in Charge Breeding Experiment 350
 
  • V. Variale, V. Valentino
    INFN/BA, Bari
  • M. Batasova, G.I. Kuznetsov
    BINP, Novosibirsk
  • T. Clauser, A.C. Raino'
    Bari University INFN/BA, Bari
  
 

The charge breed­ing tech­nique is used for Ra­dioac­tive Ion Beam (RIB) pro­duc­tion in the Iso­tope Sep­a­ra­tion On Line (ISOL) method in order of op­ti­miz­ing the reac­cel­er­a­tion of the ra­dioac­tive el­e­ments pro­duced by a pri­ma­ry beam in a thick tar­get. In some ex­per­i­ments a con­tin­u­ous RIB of cer­tain en­er­gy could be re­quired. The EBIS based charge breed­ing de­vice can­not reach a real CW op­er­a­tion be­cause the high charge state ions pro­duced are ex­tract­ed by the same part where the 1+ ions are in­ject­ed, that is, from the elec­tron col­lec­tor. In this paper, an hol­low cath­ode e-gun for an EBIS in charge breed­ing op­er­a­tion has been pre­sent­ed. Fur­ther­more, a pre­lim­i­nary sys­tem de­sign to in­ject the 1+ ions from the cath­ode part will be also shown. In this way, the ions ex­trac­tion sys­tem, placed in the elec­tron beam col­lec­tor, can be left only to ex­tract the n+ ions, and then the CW op­er­a­tion, at least in prin­ci­ple, could be reached.