"Nuclear structure studies of neutron-rich nuclei performed by JYFLTRAP"
Juho Rissanen, University of Jyväskylä
(id #97)
Seminar: YesPoster: No
Invited talk: No
Nuclear structure studies of neutron-rich nuclei becomes difficult at conventional ISOL facilities when going far from beta-stability due to high background generated by the nuclei within the same isobaric chain. Therefore, when studying the properties of the most exotic nuclei, the background level can be significantly reduced by using the Penning trap as a high-resolution mass filter to separate the nuclei of interest from the isobaric contaminants.
The unique possibilities of the IGISOL mass separator coupled to the JYFLTRAP double Penning trap setup have been used for nuclear spectroscopic studies at the University of Jyväskylä. The fission products have been isobarically purified with the Penning trap and sent forward to subsequent beta and gamma decay spectroscopy studies. By looking the gamma radiation emitted by the studied nuclei, one can build decay schemes to see a structure of the excited states fed by the beta-decaying parent nucleus.
The mass of the nucleus is an important ground state property having close connection for example to the shape of the nucleus. The JYFLTRAP Penning trap setup allows to measure atomic masses very precisely with a typical relative uncertainty of the order of 10-8. By looking systematically the properties extracted from the mass values, the nuclear structure effects, such as shell and sub-shell closures as well as the deformation effects become visible. In this contribution, highlights of the latest nuclear structure studies, including mass measurements and spectroscopic studies of neutron-rich nuclei in A = 110 region, will be presented.
The unique possibilities of the IGISOL mass separator coupled to the JYFLTRAP double Penning trap setup have been used for nuclear spectroscopic studies at the University of Jyväskylä. The fission products have been isobarically purified with the Penning trap and sent forward to subsequent beta and gamma decay spectroscopy studies. By looking the gamma radiation emitted by the studied nuclei, one can build decay schemes to see a structure of the excited states fed by the beta-decaying parent nucleus.
The mass of the nucleus is an important ground state property having close connection for example to the shape of the nucleus. The JYFLTRAP Penning trap setup allows to measure atomic masses very precisely with a typical relative uncertainty of the order of 10-8. By looking systematically the properties extracted from the mass values, the nuclear structure effects, such as shell and sub-shell closures as well as the deformation effects become visible. In this contribution, highlights of the latest nuclear structure studies, including mass measurements and spectroscopic studies of neutron-rich nuclei in A = 110 region, will be presented.
