Fourth Workshop of the Center for Time, Constants and Fundamental Symmetries

27 Nov 2025, 10:00 → 28 Nov 2025, 18:00 Europe/Zurich

Stefan Ulmer (HHU Düsseldorf / RIKEN)

This is the fourth workshop of the MPG/RIKEN/PTB Center for Time, Constants, and Fundamental Symmetries. It will take place 27th and 28th of November 2025 at Haus der Universitaet, Schadowplatz 14, in 40212 Duesseldorf, Germany. 

For details, see the time table of this site

Thursday 27 November

1 Antiproton Transport

Speaker: Christian Smorra (Heinrich Heine University Dusseldorf (DE))

2 Coherent Spectroscopy with an Antiproton Spin

Speaker: Dr Barbara Maria Latacz (CERN)

3 Progress Towards Antiproton Quantum Logic Spectroscopy

Speaker: Juan Manuel Cornejo Garcia (Leibniz Universitaet Hannover (DE))

4 Mu-Tex

Speaker: Annabelle Kaiser

15:30 Coffee Break

5 PENTATRAP

Speaker: Pavel Filianin

6 High-Precision Tests of Bound-State QED with Highly Charged Tin Ions

Speaker: Jonathan Morgner (Universitaet Hannover (DE))

7 Sympathetic cooling in Penning traps using electron cyclotron radiation

Speaker: Mr Jost Herkenhoff

8 Small molecules, big questions: using molecular hydrogen ions to test the foundations of physics

Speaker: Soroosh Alighanbari (Institut für Experimentalphysik, Heinrich-Heine-Universität Düsseldorf)

Friday 28 November

9 Trapping 229mTh ions for nuclear decay lifetime measurement

Speaker: Atsushi Yamaguchi

10 Nuclear laser spectroscopy of Th-229

Speaker: Tiedau (PTB)

11 A solid-state continuous-wave VUV laser for a Th-229 nuclear clock

Speaker: Lal (PTB)

10:30 Coffee Break

12 Yb+/Sr+ Clock Comparisons

Speaker: Nils Huntemann (Physikalisch-Technische Bundesanstalt (PTB))

13 Towards quantum logic spectroscopy of highly-charged heavy ions

Speaker: Peter Micke

14 Searching for a variation of the fine structure constant with highly charged ions

Speaker: Vera Schaefer (MPIK)

12:30 Lunch

15 Isotope shift measurements of Ca14+ for new physics searches and progress towards an optical clock based on Ni12+

Speakers: Mr Malte Wehrheim, Dr Shuying Chen

16 CRYPTEX-2

17 Towards a Hydrogen Lattice Clock

Speaker: Omer Amit (Max-Planck-Institut für Quantenoptik)