AG Nörtershäuser

Welcome to AG Nörtershäuser

from left to right: Johannes Viering, Phillip Imgram, Konstantin Mohr, Felix Sommer, Tim Ratajczyk, Simon Kaufmann, Jörg Krämer, Bernhard Maaß, Aineah Barasa, Kristian König, Rodolfo Sánchez, Tim Lellinger, Zoran Andelkovic, Wilfried Nörtershäuser

Laser spectroscopic nuclear chart

Our Service to the Community:
An up-to-date nuclear chart with all isotopes that have been investigated by on-line laser spectroscopy, tables and references is provided here …>

Current News

  • 2019/02/12

    First charge radii measurements of three very light calcium isotopes

    Figure by Andrew Miller (NSCL/MSU).

    Isotope shift measurements on three light calcium isotopes (Ca-36 to Ca-39) have been published in Nature Physics. The measurements were performed at NSCL/MSU and LaserSpHERe has contributed by the development of the fluorescence detection region. The publication is announced in a Press Release by TU Darmstadt (idw, in German) entitled „Rätselhafte Größe extrem leichter Calciumisotope".

  • 2019/01/18

    First spectroscopic Results from COALA are published

    Our measurements of transition frequencies and isotope shifts of all stable barium isotopes in the D1 and D2 transitions have been published in Physical Review A. To our knowledge, these are the most precise collinear measurements performed so far. Our result for the transition frequency of Ba-138 is even slightly more accurate than a recent measurement on laser-cooled ions in a Paul trap.

  • 2018/12/13

    Aineah Barasa has completed his Master Thesis

    Aineah Barasa has successfully completed his Master Thesis with the presentation “Preparation for Laser Spectroscopy with Magnesium Ions at CRYRING”. Congratulations!

  • 2018/12/10

    Kristian König defends his PhD thesis successfully

    Kristian König defended his Dissertation entitled “Laser-Based High-Voltage Metrology with ppm Accuracy” and passed the oral exam with distinction. Congratulations from the whole team Kristian!

  • 2018/12/06

    Universal Zig-Zag

    Our recent papers on charge radii of calcium, cadmium and iron isotopes are highlighted in the December issue of the Physik Journal. The Physik Journal is the member's magazine of the German Physical Society (DPG).
    Members of DPG can access the article directly here (in German).

  • 2018/12/03

    Johannes Viering has completed his Master Thesis

    Johannes Viering has successfully completed his Master Thesis with the presentation “Design and Commissioning of the new HITRAP Cooler Trap”. Congratulations!

  • 2018/10/29

    Bernhard Maas receives Giersch Excellence Grant

    Bernhard Maas received a Giersch Excellence Grant for his outstanding work performed during the last academic year. He has performed high-precision measurements of isotope shifts in stable boron isotopes using resonance ionization mass spectrometry and increased sensitivity in collinear laser spectroscopy. The price ceremony took place at the FIAS in Frankfurt