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

from Thursday, November 27, 2025 (10:00 AM) to Friday, November 28, 2025 (6:00 PM)


        : Sessions
    /     : Talks
        : Breaks
Nov 27, 2025
Nov 28, 2025
AM
9:00 AM Trapping 229mTh ions for nuclear decay lifetime measurement - Atsushi Yamaguchi  
9:30 AM Nuclear laser spectroscopy of Th-229 - Tiedau (PTB)  
10:00 AM A solid-state continuous-wave VUV laser for a Th-229 nuclear clock - Lal (PTB)  
10:30 AM --- Coffee Break ---
11:00 AM Yb+/Sr+ Clock Comparisons - Nils Huntemann (Physikalisch-Technische Bundesanstalt (PTB))  
11:30 AM Towards quantum logic spectroscopy of highly-charged heavy ions - Peter Micke  
PM
1:30 PM Antiproton Transport - Christian Smorra (Heinrich Heine University Dusseldorf (DE))  
2:00 PM Coherent Spectroscopy with an Antiproton Spin - Dr Barbara Maria Latacz (CERN)  
2:30 PM Progress Towards Antiproton Quantum Logic Spectroscopy - Juan Manuel Cornejo Garcia (Leibniz Universitaet Hannover (DE))  
3:00 PM Mu-Tex - Annabelle Kaiser  
3:30 PM --- Coffee Break ---
4:00 PM PENTATRAP - Pavel Filianin  
4:30 PM High-Precision Tests of Bound-State QED with Highly Charged Tin Ions - Jonathan Morgner (Universitaet Hannover (DE))  
5:00 PM Sympathetic cooling in Penning traps using electron cyclotron radiation - Mr Jost Herkenhoff  
5:30 PM Small molecules, big questions: using molecular hydrogen ions to test the foundations of physics - Soroosh Alighanbari (Institut für Experimentalphysik, Heinrich-Heine-Universität Düsseldorf)  
12:00 PM Searching for a variation of the fine structure constant with highly charged ions - Vera Schaefer (MPIK)  
12:30 PM --- Lunch ---
2:00 PM Isotope shift measurements of Ca14+ for new physics searches and progress towards an optical clock based on Ni12+ - Dr Shuying Chen Mr Malte Wehrheim  
2:30 PM CRYPTEX-2  
3:00 PM Towards a Hydrogen Lattice Clock - Omer Amit (Max-Planck-Institut für Quantenoptik)