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Bloch, T.

Paper Title Page
THPEC039 Handling of Beam Impurities in Gamma-spectroscopy Experiments at REX-ISOLDE (CERN) 4143
 
  • T. Bloch, C. Bauer, J. Leske, N. Pietralla
    TU Darmstadt, Darmstadt
  • J. van de Walle
    KVI, Groningen
 
 

The REX-ISOLDE facility at CERN delivers a great variety of radioactive ion beams with energies up to 3.0 MeV/u and therefore allows nuclear structure physics experiments far from stability. A crucial point for the experimentalist is the knowledge of possible unwanted beam contaminations, either from the bunching and charge-breeding procedure (residual gas ions) or directly from the ion-production process (isobaric contaminants). The sources of these contaminations will be discussed, as well as possible ways of elimination during the post-acceleration. Methods to analyse the beam composition in the relevant energy range will be presented with an emphasis on the experimental challenges in Gamma-spectroscopy experiments and data analysis.