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Hannover 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Hannover musste abgesagt werden! Lesen Sie mehr ...

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A: Fachverband Atomphysik

A 14: Poster Session - Atomic Physics II

A 14.19: Poster

Dienstag, 10. März 2020, 16:00–18:00, Empore Lichthof

The ARTEMIS Experiment For Precision Measurements Of The Electron g-Factor In Highly Charged IonsPatrick Baus1, Gerhard Birkl1, Zhexi Guo2,3,4, •Kanika Kanika2,3, Jeffrey Klimes2,3,4, Wolfgang Quint2,3, and Manuel Vogel31Institute of Applied Physics, Technical University Darmstadt, 64289 Darmstadt, Germany — 2Department of Physics and Astronomy, University of Heidelberg, 69120 Heidelberg, Germany — 3GSI Helmholtz Centre for Heavy Ion Research, 64291 Darmstadt, Germany — 4Max Planck Institute for Nuclear Physics, 69120 Heidelberg, Germany

The ARTEMIS experiment at the HITRAP facility at GSI, Darmstadt aims at high precision g-factor measurements of electrons bound to highly charged ions (HCIs) using the Laser-Microwave double-resonance spectroscopy. The highly charged ions are stored in a small volume in a half-open Penning trap in a homogeneous magnetic field of 7 T and can be resistively cooled through their image currents. The long storage times of weeks indicate a residual gas pressure inside the trap chamber of less than 10−15 mbar. The Creation Trap allows for the in-situ production of ions, acting as a mini-EBIT and also to have the in-flight capture of the ions from the HITRAP beamline. The Spectroscopy Trap has an Indium Tin Oxide (ITO) window, which also acts as an endcap electrode and provides for large optical access for the Laser-Microwave spectroscopy technique. After connection to the HITRAP beamline, the method will be applied to H-like heavy ions such as Bi82+, U91+ to probe the hyperfine structure transitions and measure the nuclear and electron magnetic moments.

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