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Particle Physics

Group “Fundamental Interactions”

The particle physics team studies the basic constituents of matter and their fundamental interactions. Its members seek to understand the extent to which the so-called Standard Model of particle physics describes observation and explore theoretical scenarios for what may lie beyond. The main goal is to help uncover new fundamental particles and interactions. This work concerns processes observed in experiments, such the Large Hadron Collider (LHC) in Geneva, as well as the search for the Universe’s dark matter in experiments deep underground. Also concerned are properties of elementary particles, such as the anomalous magnetic moment of the muon, which are measured to very high precision. In complementary work, the team is interested in understanding how the strong interaction assembles quarks and gluons into hadrons, such as the proton and neutron, and how it determines these composite particles’ properties, decays and interactions. Besides explaining and predicting fundamental properties of matter, this work is also necessary for many of the searches for new fundamental physics described previously. In its work, the team develops and uses different theoretical approaches to describe particle interactions, for instance of quarks and gluons in quantum chromodynamics’ (QCD) highly non-linear regime, of hadrons at low energy or of non-relativistic dark matter particles. These approaches include a variety effective field theories and massively-parallel numerical simulations on supercomputers in lattice QCD.

The particle physics team is comprised of four permanent members, an emeritus and a comparable number of Ph.D. students and postdoctoral fellows. It also regularly welcomes visiting scientists from around the world.

Directory of Members

Bharucha Aoife Researcher
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Busto José Guest
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Charles Jérôme Researcher
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Chiappetta Pierre University faculty
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De Rafael Eduardo Emeritus
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Knecht Marc Researcher
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Lellouch Laurent Researcher
Chef de l’équipe « Physique des particules »
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Parato Letizia PhD candidate

List of Publications

82 results
Journal article
Eduardo de Rafael
Hadronic Light-by-Light Scattering Contributions to the Muon Anomaly
Nuclear Physics B - Proceedings Supplements, Elsevier, 2014, 253-255, pp.135-138. ⟨10.1016/j.nuclphysbps.2014.09.033⟩
Journal article
C. P. Korthals Altes, Alfonso Sastre
The thermal instanton determinant in compact form
Physical Review D, American Physical Society, 2014, 90 (12), pp.125002. ⟨10.1103/PhysRevD.90.125002⟩
Journal article
Eduardo de Rafael
Moment Analysis of Hadronic Vacuum Polarization - Proposal for a lattice QCD evaluation of $g_{\mu}-2$
Physics Letters B, Elsevier, 2014, 736, pp.522-525. ⟨10.1016/j.physletb.2014.08.003⟩
Journal article
David Greynat, Eduardo de Rafael, Grégory Vulvert
Asymptotic Behaviour of Pion--Pion Total Cross-Sections
Journal of High Energy Physics, Springer, 2014, 2014 (3), pp.107. ⟨10.1007/JHEP03(2014)107⟩
Journal article
Sz. Borsanyi, S. Dürr, Z. Fodor, J. Frison, C. Hoelbling, S. D. Katz, S. Krieg, Th. Kurth, L. Lellouch, Th. Lippert, A. Portelli, A. Ramos, A. Sastre, K. Szabo
Isospin splittings in the light baryon octet from lattice QCD and QED
Physical Review Letters, American Physical Society, 2013, 111 (25), pp.252001. ⟨10.1103/PhysRevLett.111.252001⟩
Preprint, Working paper
Thomas Blum, Achim Denig, Ivan Logashenko, Eduardo de Rafael, B. Lee Roberts, Thomas Teubner, Graziano Venanzoni
The Muon (g-2) Theory Value: Present and Future
Journal article
David Greynat, Eduardo de Rafael
The Froissart--Martin Bound for ππ Scattering in QCD
Physical Review D, American Physical Society, 2013, 88, pp.034015. ⟨10.1103/PhysRevD.88.034015⟩
Journal article
Adrian Dumitru, Yun Guo, Yoshimasa Hidaka, C. P. Korthals Altes, Robert D. Pisarski
Effective matrix model for deconfinement in pure gauge theories
Physical Review D, American Physical Society, 2012, 86, pp.105017. ⟨10.1103/PhysRevD.86.105017⟩
Journal article
S. Borsanyi, S. Durr, Z. Fodor, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, C. Mcneile, K. K. Szabo
High-precision scale setting in lattice QCD
Journal of High Energy Physics, Springer Verlag (Germany), 2012, 2012 (9), pp.10. ⟨10.1007/JHEP09(2012)010⟩
Conference paper
Eduardo de Rafael
Update of the Electron and Muon g-Factors
16th International Conference in Quantum ChromoDynamics (QCD 12), Jul 2012, Montpellier, France. pp.193-198, ⟨10.1016/j.nuclphysbps.2012.12.012⟩
82 results