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1.
Phys Rev Lett ; 108(24): 243201, 2012 Jun 15.
Article in English | MEDLINE | ID: mdl-23004268

ABSTRACT

The electron shakeoff probability of 6Li2+ ions resulting from the ß- decay of 6He+ ions has been measured with high precision using a specially designed recoil ion spectrometer. This is the first measurement of a pure electron shakeoff following nuclear ß decay, not affected by multielectron processes such as Auger cascades. In this ideal textbook case for the application of the sudden approximation, the experimental ionization probability was found to be P(so)(exp)=0.02339(36) in perfect agreement with simple quantum mechanical calculations.

2.
Rev Sci Instrum ; 83(2): 02A911, 2012 Feb.
Article in English | MEDLINE | ID: mdl-22380252

ABSTRACT

The upgrade of the "Système de Production d'Ions Radioactifs en Ligne" phase I (SPIRAL I) installed at the "Grand Accélérateur National d'Ions Lourds" (GANIL) situated at Caen, France, is in progress and should be ready by 2014. In parallel, the first part of SPIRAL II facility is currently under construction. The global status of the upgrade is presented: goal, radioactive ion production systems, modification of the production cave and impact of the current safety re-evaluation of GANIL.

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