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HK: Fachverband Physik der Hadronen und Kerne

HK 61: Structure and Dynamics of Nuclei X

HK 61.2: Vortrag

Freitag, 31. März 2017, 14:15–14:30, F 33

Recent developments at the SHIPTRAP setup — •Oliver Kaleja^1,2,3, Klaus Blaum¹, Michael Block^2,3,4, Stanislav Chenmarev^1,5, Premaditya Chhetri^3,6, Christian Droese⁷, Sergey Eliseev¹, Pavel Filianin¹, Francesca Giacoppo^3,4, Yuri Gusev⁵, Fritz-Peter Heßberger^3,4, Mustapha Laatiaoui^3,4, Steffen Lohse^2,4, Enrique Minaya Ramirez⁸, Andrew Mistry^3,4, Yuri Novikov⁵, Sebastian Raeder^3,4, Daniel Rodriguez⁹, Lutz Schweikhard⁷, and Peter Thirolf¹⁰ — ¹MPIK Heidelberg — ²Universität Mainz — ³GSI Darmstadt — ⁴Helmholtz-Institut Mainz — ⁵PNPI KI Gatchina — ⁶TU Darmstadt — ⁷Universität Greifswald — ⁸IPN Orsay — ⁹Universidad de Granada — ¹⁰LMU München

The Penning-trap mass spectrometer SHIPTRAP enables direct high-precision measurements of the heaviest elements produced at the velocity filter SHIP. The results allow us to probe and refine nuclear and nuclear astrophysics theories. In order to extend direct mass measurements to superheavy elements (Z ≥ 104) the setup was recently relocated with respect to SHIP. To this end a cryogenic buffer-gas stopping cell was implemented, which improves the efficiency in the thermalization and extraction of the produced nuclides. In addition, a second superconducting magnet was placed perpendicular to the current beam line to implement the non-destructive Fourier-Transform Ion-Cyclotron-Resonance technique. In this contribution an overview of the technical developments and the latest offline measurements will be presented.