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Stored and Cooled Ions Division
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Master and bachelor theses

Master thesis within the PENTATRAP project at MPIK

PENTATRAP Penning trap system

PENTATRAP is a high-precision Penning-trap mass spectrometer aiming at mass-ratio measurements on highly-charged ions with a relative uncertainty below 10-11. This unique precision allows, e.g., for contributions to neutrino physics research (physics beyond the standard model), a direct test of E=mc2 and tests of QED theory in strong fields.

To achieve this precision, PENTATRAP is equipped with a 7 Tesla superconduction magnet, which contains a stack of five cylindrical Penning traps and amplifier electronics in a 4 Kelvin ultra-high vacuum environment. To determine the mass of an ion, we make use of the ion cyclotron motion caused by a strong magnetic field. The cyclotron frequency ωc=q/m·B is measured via the image charge current which is induced on the trap electrodes by a single trapped ion. The five Penning traps allow us to compensate for systematic errors by switching ions between traps and simultaneously monitor the magnetic field.

Master thesis: Simulation of a Penning trap

The task of this master thesis is to set up a simulation for Penning traps. This includes the simulation of the Penning trap itself and of the used measurement technique as well as the analysis of the simulated data.
The goal of the simulation is to test novel measurement techniques and to compare the simulated data with the actually measured data.
Furthermore, there is a wide range of application for an analysis of systematic effects in the measurement data.

For this master thesis, it would be preferable if you have knowledge of the programming language Python, experience in computational physics and simulation as well as basic understanding of electronic circuits.

If you are interested in this master thesis don't hesitate to contact us! We would be happy to show you our labs.

Klaus Blaum ()