Very low energy conversion electron detection system at the ISOCELE on-line isotope separator, Orsay

Abstract A system designed and installed at the on-line isotope separator ISOCELE II allows the high resolution detection of low energy conversion electrons (down to 1 keV) emitted by mass separated radioactive sources: the use of a special tape transport permits both the slowing down of the incoming beam of radioactive ions up to a collection point and the acceleration of the electrons emitted by the “collected sources” brought to a flat magnetic spectrograph. Typical spectra thus obtained are presented.