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Aufbau und Charakterisierung eines Systems zur Stabilisierung des Magnetfeldes an PENTATRAP

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Rischka,  Alexander
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Citation

Rischka, A. (2011). Aufbau und Charakterisierung eines Systems zur Stabilisierung des Magnetfeldes an PENTATRAP. Bachelor Thesis, Ruprecht-Karls-Universität, Heidelberg.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-18CF-5
Abstract
A critical parameter of mass spectrometry is the magnetic field and its uncertainty during the measurement process. Therefore a stabilisationsystem is build which protects the PENTATRAPPenning trap against external magnetic field fl uctuations like the drift of the earth magnetic field. For the existing control electronics a Helmholtz coil is build and characterized. The characterization includes measurements of the axial and radial magnetic field and the current-to-field curve in the center of the coil. The system is installed for a test of principle. The proportionality factor between the measured field and the current through the Hemlholtz coils is adjusted to −1. In addition the shielding factor is measured to estimate the distortions of the magnetic field inside the magnet.