[1] CNRS, IN2P3, Ctr Spectrometrie Nucl & Spectrometrie Masse, F-91405 Orsay, France
[2] Inst Elect Mat Technol, PL-01919 Warsaw, Poland
[3] Soltan Inst Nucl Studies, PL-05400 Otwock, Poland
[4] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest 76900, Romania