Symmetry-violating nuclear properties
23-27 June 2025
PROGRAM 
ProgESNTsymJune2025.pdf
Theoretical and experimental developments for symmetry-violating nuclear properties
Organizers: S.-M. Udrescu (Univ. of Chicago), A. Belley (MIT), V. Somà (CEA Saclay DPhN, contact)
contact: [at] cea.fr
Major breakthroughs are expected in the following years on the experimental side using short-lived, radioactive molecules, in the measurements of symmetry violating nuclear properties. Accurate theoretical calculations are therefore urgently needed, together with reliable uncertainties, in order to interpret these results and lead the experimental searches towards the most promising nuclei.
The main goals of this workshop are to:
1. Bring together world leading experts, on the theoretical and experimental side of this field, in order to discuss the rapid progress made in the past few years, as well as the main directions to be pursued in the near future.
2. Discuss the most promising nuclei where large enhancements in the sought for signal are expected and that are suitable for experimental investigation in the next 5 − 10 years.
3. Discuss the prospect of Energy Density Functionals to calculate nuclear Schiff moments and nuclear anapole moments across the entire nuclear chart, with a particular emphasis on the octupole deformed, light actinide region.
4. Discuss the prospect of including chiral parity- and time-reversal violating potentials, as well as two-body currents in nuclear structure calculations using ab initio methods.
5. Discuss the prospects of using emulators and statistical methods to provide reliable uncertainties on the values of the computed physical quantities.
6. Discuss the possibilities of applying ab initio methods to octupole deformed nuclei, where spherical reference states are not suitable anymore.
7. Work towards building a closer collaboration between experimentalists and theorists working in this field. The possibility of having PhD students or postdoctoral researchers from theoretical groups spend a semester in an experimental group (or the other way around) will be discussed, even the possibility of creating fellowships able to facilitate such much needed exchanges.
Talks
Experiment
— Pierre Delahaye (GANIL), "Searching for CP violation in the radioactivity of polarized ions : The MORA project"
TalkPDelahaye_ESNTJune2025.pdf
— Ronald Fernando Garcia Ruiz (MIT), "Fundamental Physics Studies with Radioactive Molecules"
— Kieran Flanagan (University of Manchester), "Table top nuclear facility for molecular spectroscopy"
— Tim Langen (TU Wien), "Searches for symmetry violations with laser-cooled BaF molecules"
— Stephan Malbrunot-Ettenauer (University of Toronto), "Exploring new physics beyond the standard model of particle physics using radioactive molecules at TRIUMF"
— Victoria Vedia (CERN), "Insights into radioactive molecules with gamma-ray spectroscopy"
— Yan Zhou (University of Nevada, Las Vegas), "Explore New Physics Beyond the Standard Model by Precision Spectroscopy of Heavy Molecules"
— Sebastian Lahs (Lab. Aimé Cotton, Univ. Paris-Saclay), "Cesium in Cryogenic Matrices: Towards a Measurement of the eEDM"
Theory
— Antoine Belley (MIT), "Parity Violating In Medium Similarity Renormalization Group"
— Anastasia Borschevsky (University of Groningen), "Testing the Standard Model with molecules : theoretical perspective"
— Evgeny Epelbaum (Ruhr University Bochum), "Parity- and Time-Reversal-Violating Nuclear Forces"
TalkEEpelbaum_ESNTJune2025.pdf
— Christian Forssén (Chalmers), "Uncertainty quantification of nuclear forces"
— Matthias Heinz (Oak Ridge), "First-principles nuclear structure theory and implications for fundamental physics"
— Jason Holt (TRIUMF), "First-principles nuclear theory for new physics searches"
— Petr Navrátil (TRIUMF), "Ab initio calculations of electric dipole, Schiff, and anapole moments in atomic nuclei"
TalkPNavratil_ESNTJune2025.pdf
— Herlik Wibowo (University of York), "Calculation of nuclear Schiff moments from DFT"
Program
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Monday 23 June |
Tuesday 24 June
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Wednesday 25
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Thursday 26
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Friday 27
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| 9h30 | Welcome |
9h30 A. Belley |
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10h |
E. Epelbaum | T. Langen | C. Forssén | 10h30 Break | Y. Zhou |
| 11h | Break | Break |
11h Seminar P. Delahaye |
Break | |
| 11h30 | K. Flanagan | P. Navrátil | R. Garcia Ruiz | H. Wibowo | |
| 12h30 | Lunch |
Lunch |
Lunch |
12h30 Lunch | Lunch |
| 14h | A. Borschevsky | S. Malbrunot- Ettenauer |
J.D. Holt | M. Heinz | V. Vedia |
| 15h | Break | Break | Break | Break | Break |
| 15h30 | Discussions | Discussions |
Discussions |
S. Lahs | Discussions |
| 17h | End |
End |
End |
End |
End |
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