Darmstadt 2008 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 34: Postersitzung
HK 34.94: Poster
Donnerstag, 13. März 2008, 14:00–16:00, Poster C3
Trap-assisted decay spectroscopy at ISOLTRAP — •Magdalena Kowalska1 and Sarah Naimi2 for the ISOLTRAP collaboration — 1CERN,Geneva — 2CSNSM, Orsay
A system for decay studies on isobarically and isomerically pure beams is being presently commissioned at the ISOLTRAP setup at ISOLDE/CERN, where Penning traps are routinely used for precise mass measurements. The new system will be located behind the last trap, and will include a tape station coupled to beta and gamma detectors.
The first measurements include masses and decay schemes of neutron-rich Hg and Tl isotopes, where little data exist due to very large isobaric Fr contamination. The studies will provide valuable input for mass models and shell-model calculations below Z=82 and above N=126. They will also have the potential of discovering new isomeric states or even new isotopes, for which the half-lives are predicted in the minute- and second-range.