Nuclear densities

14-17 October 2025

PROGRAM

Charge and matter distributions in nuclei

Organizers: K. Bennaceur (IPNL, Univ. Lyon, contact), P. Arthuis (IJCLab), V. Somà (CEA Saclay DPhN contact), L. Zurek (CEA DAM)
contact: [at] cea.fr

While bulk properties of atomic nuclei, e.g. ground-state energies and r.m.s. charge radii, represent the basic structure observables any model is first confronted with, density distributions provide a much more detailed playground to compare different nuclear structure approaches, and theory with experiment.

The goals of the workshop are to:

1. Discuss the accuracy and precision for charge distributions of models based on different approaches such as mean-field models and ab initio calculations.
2. Identify nuclei for which the reproduction of the charge density is particularly difficult to achieve (with mean-field and/or ab initio approaches) and discuss possible scenario explaining this problem.
3. Discuss the possible impact of more accurate and precise predictions of charge densities as an analysis tool for experiments such as determination of charge r.m.s. radius using muons, possible muon to electron conversion in nuclei, search for permanent EDM (Electric Dipole Moment) of atoms, etc.
4. Discuss the prospects for electron-radioactive ion scattering.
5. Clarify the relation between isovector finite-size instabilities and oscillations of proton and neutron densities in nuclei.

Talks - potential speakers to be announced in June.

Preliminary program

	Tuesday 14^th Oct.	Wednesday 15	Thursday 16	Friday 17
9h15	OPENING	Talk	Talk	Talk
10h45	Break	Break	Break	Break
11h	Talk	Talk	Talk	Talk
11h45	Talk	Talk	Talk	Talk
12h30	Lunch	Lunch	Lunch	Lunch
14h	Talk	Talk	Talk
14h45	Break	Break	Break
15h15	Discussions	Discussions	Discussions
16h15	Discussions	Discussions	Discussions
16h30	End	End	End	End

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#131 - Mise à jour : 07/02/2025