Köln 2025 – wissenschaftliches Programm
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MS: Fachverband Massenspektrometrie
MS 5: Poster
MS 5.2: Poster
Dienstag, 11. März 2025, 17:30–19:00, Foyer Physik
Recent technical developments and measurements at ISOLTRAP — •Paul Florian Giesel for the ISOLTRAP collaboration — Universität Greifswald, Institut für Physik, Greifswald, Deutschland
The ISOLTRAP setup at ISOLDE/CERN is a high-precision mass spectrometer designed to measure the masses of short-lived, exotic radionuclides far from the valley of stability. Utilizing both multi-reflection time-of-flight (MR-ToF) and Penning-trap mass spectrometry, ISOLTRAP performs precise absolute and relative mass measurements. Converting these measured masses into nuclear binding energies (via the mass-energy equivalence) provides critical insights into the underlying nuclear forces and structures.
This contribution will present the current status of ISOLTRAP and highlight recent technical developments, such as the implementation of a second linear Paul trap to rebunch mass-selected ion beams and the addition of a temperature-stabilization system for the MR-ToF mass spectrometer. Recent beamtime results will also be shown, focusing on the neutron-deficient 97,98Cd ground states in the vicinity of the doubly-magic 100Sn and the 97mCd isomeric state, as well as the first mass measurements of the neutron-rich 209,210,212Hg.
Keywords: Mass spectrometry; MR-ToF; Penning-traps; Nuclear physics; Radionuclides