Hirschegg 2026 - Challenges in effective field theory descriptions of nuclei
from
Sunday, January 18, 2026 (9:00 AM)
to
Saturday, January 24, 2026 (12:00 PM)
Monday, January 12, 2026
Tuesday, January 13, 2026
Wednesday, January 14, 2026
Thursday, January 15, 2026
Friday, January 16, 2026
Saturday, January 17, 2026
Sunday, January 18, 2026
5:00 PM
Reception and Registration
5:00 PM - 9:00 PM
6:00 PM
Reception Buffet
Reception Buffet
6:00 PM - 8:00 PM
Monday, January 19, 2026
8:00 AM
Breakfast
8:00 AM - 8:45 AM
8:45 AM
Welcome
8:45 AM - 9:00 AM
9:00 AM
Chiral EFT for nuclear modeling—on and off the beaten track
-
Christian Forssén
(
Department of Physics, Chalmers
)
Chiral EFT for nuclear modeling—on and off the beaten track
Christian Forssén
(
Department of Physics, Chalmers
)
9:00 AM - 9:30 AM
9:30 AM
Towards an Understanding of Truncation Errors in the IMSRG
-
Ragnar Stroberg
(
University of Notre Dame
)
Towards an Understanding of Truncation Errors in the IMSRG
Ragnar Stroberg
(
University of Notre Dame
)
9:30 AM - 10:00 AM
10:00 AM
Precise neutron densities of nuclei and what this means for neutron skins
-
Matthias Heinz
(
ORNL
)
Precise neutron densities of nuclei and what this means for neutron skins
Matthias Heinz
(
ORNL
)
10:00 AM - 10:30 AM
10:30 AM
Coffee Break
10:30 AM - 11:00 AM
11:00 AM
Coupled-cluster computations of deformed nuclei
-
Gaute Hagen
(
Oak Ridge National Laboratory
)
Coupled-cluster computations of deformed nuclei
Gaute Hagen
(
Oak Ridge National Laboratory
)
11:00 AM - 11:30 AM
11:30 AM
Recent applications of low-resolution interactions
-
Pierre Arthuis
(
IJCLab, CNRS & U. Paris-Saclay
)
Recent applications of low-resolution interactions
Pierre Arthuis
(
IJCLab, CNRS & U. Paris-Saclay
)
11:30 AM - 12:00 PM
12:00 PM
Lunch + Afternoon Break
12:00 PM - 4:30 PM
4:30 PM
Refreshments
4:30 PM - 5:00 PM
5:00 PM
Low-Resolution Effective Field Theory for Nucleon-Nucleon Interactions
-
Sven Heihoff
(
Ruhr-Universität Bochum
)
Low-Resolution Effective Field Theory for Nucleon-Nucleon Interactions
Sven Heihoff
(
Ruhr-Universität Bochum
)
5:00 PM - 5:30 PM
5:30 PM
Many-body emulators for nuclear structure
-
Margarida Companys Franzke
Many-body emulators for nuclear structure
Margarida Companys Franzke
5:30 PM - 5:50 PM
5:50 PM
Uncertainties with low-resolution nuclear forces
-
Tom Plies
(
TU Darmstadt
)
Uncertainties with low-resolution nuclear forces
Tom Plies
(
TU Darmstadt
)
5:50 PM - 6:10 PM
6:10 PM
Exploring quark mass dependent three-nucleon forces in medium-mass nuclei
-
Urban Vernik
(
TU Darmstadt - Institute for Nuclear Physics
)
Exploring quark mass dependent three-nucleon forces in medium-mass nuclei
Urban Vernik
(
TU Darmstadt - Institute for Nuclear Physics
)
6:10 PM - 6:30 PM
6:30 PM
Dinner
6:30 PM - 8:00 PM
Tuesday, January 20, 2026
8:00 AM
Breakfast
8:00 AM - 9:00 AM
9:00 AM
An initio calculations at the superheavy frontier
-
Francesca Bonaiti
An initio calculations at the superheavy frontier
Francesca Bonaiti
9:00 AM - 9:30 AM
9:30 AM
Nuclear matrix elements for fundamental symmetries
-
Javier Menéndez
(
University of Barcelona
)
Nuclear matrix elements for fundamental symmetries
Javier Menéndez
(
University of Barcelona
)
9:30 AM - 10:00 AM
10:00 AM
Electroweak Responses of Many-Body Systems
-
Joanna Sobczyk
(
Chalmers University of Technology
)
Electroweak Responses of Many-Body Systems
Joanna Sobczyk
(
Chalmers University of Technology
)
10:00 AM - 10:30 AM
10:30 AM
Coffee Break
10:30 AM - 11:00 AM
11:00 AM
TBA
-
Sonia Bacca
(
Johannes Gutenberg University Mainz
)
TBA
Sonia Bacca
(
Johannes Gutenberg University Mainz
)
11:00 AM - 11:30 AM
11:30 AM
Recent advances in precise forbidden 𝛽-decays for new physics searches
-
Ayala Glick-Magid
(
Tel Aviv University
)
Recent advances in precise forbidden 𝛽-decays for new physics searches
Ayala Glick-Magid
(
Tel Aviv University
)
11:30 AM - 12:00 PM
12:00 PM
Lunch + Afternoon Break
12:00 PM - 4:30 PM
4:30 PM
Refreshments
4:30 PM - 5:00 PM
5:00 PM
Electromagnetic and exotic nuclear moments
-
Jacek Dobaczewski
(
University of York
)
Electromagnetic and exotic nuclear moments
Jacek Dobaczewski
(
University of York
)
5:00 PM - 5:30 PM
5:30 PM
New NCSM results for exotic nuclear moments, exotic nuclei, sub-leading 3N interactions
-
Petr Navratil
(
TRIUMF
)
New NCSM results for exotic nuclear moments, exotic nuclei, sub-leading 3N interactions
Petr Navratil
(
TRIUMF
)
5:30 PM - 6:00 PM
6:00 PM
Ab initio calculations of beta-decay half-lives for N=50 neutron-rich nuclei
-
Zhen Li
(
Technische Universität Darmstadt
)
Ab initio calculations of beta-decay half-lives for N=50 neutron-rich nuclei
Zhen Li
(
Technische Universität Darmstadt
)
6:00 PM - 6:20 PM
6:20 PM
Two-body currents at finite momentum transfer and applications to M1 transitions
-
Catharina Brase
Two-body currents at finite momentum transfer and applications to M1 transitions
Catharina Brase
6:20 PM - 6:40 PM
6:40 PM
Dinner
6:40 PM - 8:10 PM
Wednesday, January 21, 2026
8:00 AM
Breakfast
8:00 AM - 9:00 AM
9:00 AM
Multi-neutron systems and the large-charge expansion
-
Silas Beane
(
University of Washington
)
Multi-neutron systems and the large-charge expansion
Silas Beane
(
University of Washington
)
9:00 AM - 9:30 AM
9:30 AM
Experimental Approaches to Multi-Neutron Systems at RIBF
-
Kenjiro Miki
(
Tohoku University
)
Experimental Approaches to Multi-Neutron Systems at RIBF
Kenjiro Miki
(
Tohoku University
)
9:30 AM - 10:00 AM
10:00 AM
Nucleon-nucleon correlation functions from different interactions in comparison
-
Matthias Göbel
(
Nuclear Physics Institute, CAS, Řež
)
Nucleon-nucleon correlation functions from different interactions in comparison
Matthias Göbel
(
Nuclear Physics Institute, CAS, Řež
)
10:00 AM - 10:30 AM
10:30 AM
Coffee Break
10:30 AM - 11:00 AM
11:00 AM
Ab Initio Calculations of Medium-Mass Nuclei with Neural Quantum States
-
Jane Kim
(
Argonne National Laboratory
)
Ab Initio Calculations of Medium-Mass Nuclei with Neural Quantum States
Jane Kim
(
Argonne National Laboratory
)
11:00 AM - 11:30 AM
11:30 AM
Uncertainty quantification and inference with many-body perturbation theory
-
Isak Svensson
(
TU Darmstadt
)
Uncertainty quantification and inference with many-body perturbation theory
Isak Svensson
(
TU Darmstadt
)
11:30 AM - 12:00 PM
12:00 PM
Lunch + Afternoon Break
12:00 PM - 4:30 PM
4:30 PM
Refreshments
4:30 PM - 5:00 PM
5:00 PM
Description of 4n halo nuclei
-
RIMANTAS LAZAUSKAS
(
IPHC, Strasbourg
)
Description of 4n halo nuclei
RIMANTAS LAZAUSKAS
(
IPHC, Strasbourg
)
5:00 PM - 5:30 PM
5:30 PM
Two-neutron distribution of the triton from pionless EFT
-
Tanja Kirchner
Two-neutron distribution of the triton from pionless EFT
Tanja Kirchner
5:30 PM - 5:50 PM
5:50 PM
Quantifying uncertainties for the nuclear equation of state in $\beta$-equilibrium
-
Hannah Göttling
Quantifying uncertainties for the nuclear equation of state in $\beta$-equilibrium
Hannah Göttling
5:50 PM - 6:10 PM
6:10 PM
Nuclear Responses with Neural-Network Quantum States
-
Nir Barnea
(
The Hebrew University of Jerusalem
)
Nuclear Responses with Neural-Network Quantum States
Nir Barnea
(
The Hebrew University of Jerusalem
)
6:10 PM - 6:30 PM
7:00 PM
Conference Dinner
7:00 PM - 9:00 PM
Thursday, January 22, 2026
8:00 AM
Breakfast
8:00 AM - 9:00 AM
9:00 AM
Gaussian expansion method and its application to 4He bosonic 5-body system
-
Emiko Hiyama
(
RIKEN
)
Gaussian expansion method and its application to 4He bosonic 5-body system
Emiko Hiyama
(
RIKEN
)
9:00 AM - 9:30 AM
9:30 AM
Charge radii in exotic tin isotopes from Bogoliubov coupled cluster theory
-
Thomas Duguet
(
CEA/Saclay
)
Charge radii in exotic tin isotopes from Bogoliubov coupled cluster theory
Thomas Duguet
(
CEA/Saclay
)
9:30 AM - 10:00 AM
10:00 AM
Nuclear Density-Functional theory: achievements and open problems
-
Paul-Gerhard Reinhard
(
FAU Erlangen
)
Nuclear Density-Functional theory: achievements and open problems
Paul-Gerhard Reinhard
(
FAU Erlangen
)
10:00 AM - 10:30 AM
10:30 AM
Coffee Break
10:30 AM - 11:00 AM
11:00 AM
Balancing uncertainties in ab initio calculations
-
Lars Zurek
Balancing uncertainties in ab initio calculations
Lars Zurek
11:00 AM - 11:30 AM
11:30 AM
Nuclear deformation in Brussels Skyrme EDF models
-
Pepijn Demol
Nuclear deformation in Brussels Skyrme EDF models
Pepijn Demol
11:30 AM - 12:00 PM
12:00 PM
Lunch + Afternoon Break
12:00 PM - 4:30 PM
4:30 PM
Refreshments
4:30 PM - 5:00 PM
5:00 PM
Impact of ground-state correlations on the nuclear response
-
Andrea Porro
(
TU Darmstadt
)
Impact of ground-state correlations on the nuclear response
Andrea Porro
(
TU Darmstadt
)
5:00 PM - 5:30 PM
5:30 PM
Towards Collective Excitations in Open-Shell Nuclei: From IM-(S)RPA to IM-CI
-
Michelle Müller
Towards Collective Excitations in Open-Shell Nuclei: From IM-(S)RPA to IM-CI
Michelle Müller
5:30 PM - 5:50 PM
5:50 PM
Nuclear structure and dynamics from coupled-cluster theory
-
Francesco Marino
(
Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, Germany
)
Nuclear structure and dynamics from coupled-cluster theory
Francesco Marino
(
Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, Germany
)
5:50 PM - 6:10 PM
6:10 PM
Nuclear matter calculations from chiral interactions
-
Yannick Dietz
Nuclear matter calculations from chiral interactions
Yannick Dietz
6:10 PM - 6:30 PM
6:30 PM
Dinner
6:30 PM - 8:00 PM
Friday, January 23, 2026
8:00 AM
Breakfast
8:00 AM - 9:00 AM
9:00 AM
Multimodal superfluidity of neutron matter
-
Dean Lee
(
Michigan State University
)
Multimodal superfluidity of neutron matter
Dean Lee
(
Michigan State University
)
9:00 AM - 9:30 AM
9:30 AM
Nuclear structure theory meets the LHC: the recent Ne20+Ne20 run
-
Benjamin Bally
(
TU Darmstadt
)
Nuclear structure theory meets the LHC: the recent Ne20+Ne20 run
Benjamin Bally
(
TU Darmstadt
)
9:30 AM - 10:00 AM
10:00 AM
The QRPA approach within the Gogny EDF framework: some success and current limitations
-
Sophie Péru
(
CEA
)
The QRPA approach within the Gogny EDF framework: some success and current limitations
Sophie Péru
(
CEA
)
10:00 AM - 10:30 AM
10:30 AM
Coffee Break
10:30 AM - 11:00 AM
11:00 AM
DFT for high-lying giant resonances and prospects for ab initio-based energy density functionals
-
Gianluca Colo
(
University of Milano and INFN
)
DFT for high-lying giant resonances and prospects for ab initio-based energy density functionals
Gianluca Colo
(
University of Milano and INFN
)
11:00 AM - 11:30 AM
11:30 AM
Extracting charge radii from precision spectroscopy: ab initio calculation of nuclear polarizability
-
Mehdi Drissi
(
TU Darmstadt
)
Extracting charge radii from precision spectroscopy: ab initio calculation of nuclear polarizability
Mehdi Drissi
(
TU Darmstadt
)
11:30 AM - 11:50 AM
11:50 AM
Double beta decay within the nuclear density functional theory
-
Jan Miskiewicz
(
University of Warsaw
)
Double beta decay within the nuclear density functional theory
Jan Miskiewicz
(
University of Warsaw
)
11:50 AM - 12:10 PM
12:10 PM
Lunch + Afternoon Break
12:10 PM - 4:30 PM
4:30 PM
Refreshments
4:30 PM - 5:00 PM
5:00 PM
Open discussions
5:00 PM - 6:00 PM
6:00 PM
Dinner
6:00 PM - 7:30 PM
Saturday, January 24, 2026
8:00 AM
Breakfast
8:00 AM - 9:00 AM