As a researcher in the nuclear team of the IJCLab theory division, my work is dedicated to advancing the understanding of nuclear reactions through the use of ab initio methods. Our long-standing and internationally recognized collaboration focuses on modeling nuclear reactions from the most fundamental interaction between neutrons and protons. Over the past decade, we have been at the forefront of applying the ab initio paradigm to the field of nuclear reaction theory.

Our team has developed a unique computational approach that stands alone in its ability to describe channels involving binary and ternary reactions between nuclei totaling more than four nucleons. This is achieved by utilizing constituent protons and neutrons that interact through a nuclear interaction derived from chiral effective field theory (EFT). Our approach is unmatched in the field and reflects our team’s dedication to exploring the most fundamental aspects of nuclear reactions. By linking the properties of nuclei to the strong force via EFT, our approach has the potential to revolutionize the field.

In addition to my work in nuclear theory, I am particularly interested in interdisciplinary connections and emerging technologies such as ultra-cold gases of bosonic or fermionic atoms, machine learning technologies, and quantum computing. I am actively involved in exploring the use of generative neural networks to achieve the next leap forward in nuclear theory.

Collaboration with experimentalists is also an essential part of my work. I work closely with experimentalists at my laboratory and in international collaborations at CERN, PSI, or GANIL to support the interpretation and prediction of nuclear data. This is particularly important in the realm of nuclear astrophysics, where the explosion of new data gathered by space telescopes is revolutionizing our understanding of the universe. Understanding low-energy nuclear reactions is crucial for comprehending many of the signals, histories, and objects such as stars in the cosmos.

Overall, our team’s efforts are pushing the boundaries of nuclear theory and have the potential to shape the future of the field.

Research Topics

  • Nuclear reactions and structure for Astrophysics and exotic nuclei in ab initio No-Core Shell Model with Continuum method
  • Nuclear interaction from first principles using Effective Field Theory
  • How to derive a modern mean-field from first principles ?
  • Nuclei, an open quantum laboratory to study emergence of universality

Funding and support

ANR JCJC
Nectar
Our goal is to work out the annihilation properties of antiprotonic atoms up to the first halo nuclei starting from the interactions between nucleons and nucleon-antinucleon with ab initio methods.
Fellowship
des 2 infinis
The aim of the thesis project is to develop the ab initio tools for studying the emission of 2p
clusters, charged breakup and to participate to the modeling effort of beta-delayed particle
emission.

Bibliographic database



41 documents

Journal articles


Conference papers

  • P. Navratil, K. Kravvaris, P. Gysbers, C. Hebborn, G. Hupin, et al.. Ab initio investigations of $A=8$ nuclei: $\alpha{-}\alpha$ scattering, deformation in $^8$He, radiative capture of protons on $^7$Be and $^7$Li and the X17 boson. 28th International Nuclear Physics Conference, Sep 2022, Cape Town, South Africa. pp.012062, ⟨10.1088/1742-6596/2586/1/012062⟩. ⟨hal-03901533⟩
  • D. Carbone, A. Bonaccorso, F. Cappuzzello, M. Cavallaro, G. Hupin, et al.. Transfer to the continuum of $^{11}$Be with the application of ab-initio S-matrix. 27th International Nuclear Physics Conference, Jul 2019, Glasgow, United Kingdom. pp.012119, ⟨10.1088/1742-6596/1643/1/012119⟩. ⟨hal-03420877⟩
  • F. Raimondi, G. Hupin, P. Navrátil, S. Quaglioni. $^7Li(d,p)^8Li$ transfer reaction in the NCSM/RGM approach. 15th Conference on Theoretical Nuclear Physics in Italy, Apr 2016, Pisa, Italy. pp.012006, ⟨10.1088/1742-6596/981/1/012006⟩. ⟨hal-01758691⟩
  • C. Romero-Redondo, S. Quaglioni, P. Navrátil, G. Hupin. Advances in the ab initio description of nuclear three-cluster systems. 21st International Conference on Few-Body Problems in Physics (FB21), May 2015, Chicago, United States. pp.03004, ⟨10.1051/epjconf/201611303004⟩. ⟨in2p3-01193120⟩
  • S. Quaglioni, G. Hupin, A. Calci, P. Navratil, R. Roth. Ab initio calculations of reactions with light nuclei. 21st International Conference on Few-Body Problems in Physics, May 2015, Chicago, United States. pp.01005, ⟨10.1051/epjconf/201611301005⟩. ⟨hal-03626562⟩
  • G. Hupin, D. Lacroix. On the application of symmetry breaking and its restoration to treat pairing correlation in finite nuclei. YKIS2011 : Frontier Issues in Physics of Exotic Nuclei, Oct 2011, Kyoto, Japan. pp.250-254, ⟨10.1143/PTPS.196.250⟩. ⟨in2p3-00680726⟩
  • G. Hupin. Pairing correlation in finite system. The XVIIth "colloque GANIL", Sep 2011, Belgodere (Corse), France. ⟨in2p3-00626790⟩
  • G. Hupin. Pairing in finite systems with functional theories. FUSTIPEN French-U.S. Theory Institute for Physics with Exotic Nuclei, Jan 2011, Caen, France. ⟨in2p3-00558135⟩
  • G. Hupin, D. Lacroix, M. Bender. Functional approach for pairing in finite systems: How to de ne restoration of broken symmetries in Energy Density Functional theory ?. Many-body corelations from dilute to dense nuclear systems (MBC 2011), 2011, Paris, France. pp.012056, ⟨10.1088/1742-6596/321/1/012056⟩. ⟨in2p3-00642108⟩
  • D. Lacroix, G. Hupin. Density functional for pairing with particle number conservation. International Symposium Forefronts of Researches in Exotic Nuclear Structures, Mar 2010, Niigata, Japan. pp.1854-1857, ⟨10.1142/S0217732310000484⟩. ⟨in2p3-00480998⟩
  • D. Lacroix, M. Assié, S. Ayik, G. Hupin, J.A. Scarpaci, et al.. Beyond mean-field description of break-up, transfer and fusion.. International Conference Nuclear Structure and Related Topics (NSRT), Jun 2009, Dubna, Russia. pp.244-251. ⟨in2p3-00402719⟩
  • D. Lacroix, G. Hupin. Exact Stochastic Mean-Field dynamics. FUSION08: New Aspects of Heavy Ion collisions Near the Coulomb Barrier, Sep 2008, Chicago, United States. pp.128-132, ⟨10.1063/1.3108765⟩. ⟨in2p3-00348464⟩

Poster communications

  • G. Hupin, D. Lacroix. Non-Markovian effects in quantum system: an exact stochastic mean-field treatment. A.I Vdovin, V.V Voronov, R.V. Jolos. International Conference on Nuclear Structure and Related Topics (NSRT), Jun 2009, Dubna, Russia. Volume II, pp.260-263, 2009. ⟨in2p3-00402730⟩

Theses

  • G. Hupin. Approches fonctionnelles de la densité pour les systèmes finis appariés. Physique Nucléaire Théorique [nucl-th]. Université de Caen, 2011. Français. ⟨NNT : ⟩. ⟨tel-00626383⟩

Lectures

Open access materials