Next generation ab initio nuclear theory

14 Jul 2025, 08:20 → 18 Jul 2025, 19:00 Europe/Rome

Aula Renzo Leonardi (ECT*)

Carlo Barbieri (Università degli Studi di Milano), Evgeny Epelbaum (Ruhr University Bochum), Richard Furnstahl (Ohio State University), Saori Pastore (Washington University & Los Alamos National Laboratory)

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The ab initio approach to nuclear theory is based on two main pillars that confer strong predictive power, that is generating nuclear interactions consistent with the symmetries of QCD and solving the nuclear many-body problem precisely. One of the most important challenges in this respect is to reliably estimate the uncertainties of theoretical predictions. Other open issues for the next generation include applications to precision electroweak processes and pursuing prediction for nuclear reactions, which requires introducing novel and efficient many-body methods. 

The workshop will aim at evaluating the state of the art of ab initio theory and fostering the exchange of ideas within the community on novel methods with groundbreaking potential

                

Monday 14 July

08:30 Workshop Registration

1 Welcome ECT* Director

Speaker: Ubirajara van Kolck

2 Next Generation Ab Initio Nuclear Theory — scope of the workshop

Speaker: Prof. Richard Furnstahl (Ohio State University)

Furnstahl_Overview_talk_July_2025.pdf

3 Chiral interactions with gradient flow regulator

Speaker: Hermann Krebs

Krebs_NextGenAI_ECT.pdf

10:40 Coffee break

4 Experiments to explore three-nucleon froces

Speaker: Kimiko Sekiguchi

KSekiguchi_ECT2025.pdf

5 Polarization phenomena in 2N and 3N systems

Speaker: Roman Skibiński

Skibinski_Trento2025_pub.pdf

12:20 Lunch

6 Pionless EFT for the next generation

Speaker: Ubirajara van Kolck

Next-Gen Pionless.pdf

7 Unitarity Expansion in ChiEFT

Speaker: Harald Griesshammer

unitaritylimit (3).pdf

15:10 Coffee break

8 Mirroring nuclei at the unitary limit

Speaker: Alejandro Kievsky

kievsky_ECT1.pdf

9 First principles structures from hadrons to nuclei - layers of effectiveness

Speaker: James Vary (Iowa State University)

ECT_July_2025_Vary_full.pdf

Discussion

Tuesday 15 July

10 Extrapolation and emulation techniques for few-body resonances

Speaker: Sebastian Koenig

ect_2025_sk-web.pdf

11 Fast & accurate emulators for two- and three-body scattering

Speaker: Christian Drischler

Drischler_web.pdf

10:40 Coffee break

12 Conformal prediction, neural networks, and emulators for few-body systems

Speaker: Alex Gezerlis

zGezerlis_ECTStar.pdf

13 Neural-network quantum Monte Carlo approaches for ab initio nuclear structure

Speaker: Yilong Yang

20250715@ECTstar_Trento.pdf

12:20 Lunch

14 A lattice-based neural network quantum state

Speaker: Carlo Barbieri

ECT_July2025_NQS.pdf

15 Physics Informed Neural Networks for the quantum many-body problem

Speaker: Lorenzo Brevi

Physics Informed Neural Networks for the quantum many-body problem.pptx

14:50 Coffee break

16 Regular and irregular EFT convergence patterns: how to find them and what to do about them

Speaker: Daniel Phillips

ECTstarAbInitio_Phillips.pdf

17 Quantum formulas for rotational energies for ab initio calculations

Speaker: Taka Otsuka

otsuka_ect.pptx

Discussion

Wednesday 16 July

18 Nuclear forces and ab initio calculations of medium-mass to heavy nuclei

Speaker: Achim Schwenk

Schwenk_ECT_2025.pdf

19 In-Medium SRG for deformed nuclei and other new developments

Speaker: Heiko Hergert

hhergert_ect2025.pdf

10:40 Coffee break

20 Toward diagramatic Monte Carlo for nuclei (TBC)

Speaker: Stefano Brolli

Stefano_Brolli_ECTstar2025.pdf

21 Many-body theory for nuclear response functions and nuclear matter

Speaker: Francesco Marino

talk_EctAbinitio_Francesco_Marino.pptx

12:20 Lunch

22 Probing nuclear electroweak properties with atoms and molecules

Speaker: Ronald Garcia Ruiz

23 Novel chiral low-resolution interactions

Speaker: Pierre Arthuis

Arthuis_Trento_Theory_2025.pdf

15:10 Coffee break

24 Extending the reach of ab initio approaches using tensor factorization

Speaker: Lars Zurek

25 Impact of ground-state correlations on the nuclear response

Speaker: Andrea Porro

PORRO_ECT25.pdf

Discussion

Thursday 17 July

26 Electrons for Neutrinos at MAMI and MESA

Speaker: Luca Doria

Doria_ECT_2025.pdf

27 Towards neutrino-nucleus scattering with coupled-cluster theory

Speaker: Sonia Bacca

bacca_ECT_abinitio_2025.pdf

10:40 Coffee break

28 Evidence for multimodal superfluidity in neutrons and other emergent phenomena

Speaker: Dean Lee

Lee_ECT_Ab_Initio_2025.pdf

29 Capturing many-body correlations at polynomial cost

Speaker: Alberto Scalesi

Scalesi_TrentoECT2025_short_compressed.pdf

12:20 Lunch

30 Low-Energy Electron Scattering for Exotic Nuclei and Nucleons

Speaker: Toshimi Suda

ECT*ws_ToshimiSuda.pdf

31 Quantum Monte Carlo calculations for next-generation electroweak physics experiments

Speaker: Garrett King

15:10 Coffee break

32 Quantum Monte Carlo formalism for dynamical pions and nucleons

Speaker: Lucas Madeira

33 Spin-isospin symmetries of nuclear beta decays

Speaker: Simone Li Muli

ECTS_2025_Li_Muli.pdf

Discussion

Friday 18 July

34 Ab initio calculations of beta-decay half-lives for N=50 neutron-rich nuclei

Speaker: Zhen Li

Zhen_Li_slides_ECTstar_workshop.pdf

35 Electroweak Radiative Corrections and Beyond from Ab Initio Theory

Speaker: Michael Gennari

GENNARI_2025.pdf

10:40 Coffee break

36 Electro-scattering on light nuclei and beyond

Speaker: Alex Gnech

37 Ab Initio Reactions up to Medium-mass Nuclei with the Symmetry-adapted Resonating Group Method

Speaker: Jose Pablo Linares Fernandez

Pres.pdf

12:20 Lunch