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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
+33.4.91.26.95.28 Email
Busto José Guest
+33.4.91.82.76.60 Email
Charles Jérôme Researcher
+33.4.91.26.95.02 Email
Chiappetta Pierre University faculty
+33.4.91.26.95.45 Email
De Rafael Eduardo Emeritus
+33.4.91.26.95.01 Email
Knecht Marc Researcher
+33.4.91.26.95.39 Email
Lellouch Laurent Researcher
Chef de l’équipe « Physique des particules »
+33.4.91.26.95.17 Email
Parato Letizia PhD candidate
Email

List of Publications

82 results
Conference paper
G. Bali, S. Collins, S. Durr, Z. Fodor, R. Horsley, C. Hoelbling, S. D. Katz, I. Kanamori, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, C. Mcneile, Y. Nakamura, D. Pleiter, P. Perez-Rubio, P. Rakow, A. Schafer, G. Schierholz, K. K. Szabo, F. Winter, J. Zanotti
Spectra of heavy-light and heavy-heavy mesons containing charm quarks, including higher spin states for $N_f=2+ 1$
29th International Symposium on Lattice Field Theory2, Jul 2011, Squaw Valley, United States. pp.135
Journal article
S. Durr, Z. Fodor, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, K. K. Szabo, G. Vulvert
Lattice QCD at the physical point: light quark masses
Physics Letters B, Elsevier, 2011, 701 (2), pp.265-268. ⟨10.1016/j.physletb.2011.05.053 ⟩
Journal article
Gilberto Colangelo, Stephan Durr, Andreas Juttner, Laurent Lellouch, Heinrich Leutwyler, Vittorio Lubicz, Silvia Necco, Christopher T. Sachrajda, Silvano Simula, Anastassios Vladikas, Urs Wenger, Hartmut Wittig
Review of lattice results concerning low energy particle physics
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2011, 71 (7), pp.1695. ⟨10.1140/epjc/s10052-011-1695-1⟩
Book
Laurent Lellouch, Rainer Sommer, Anastassios Vladikas, Benjamin Svetitsky, Cugliandolo Leticia F.
Modern Perspectives in Lattice QCD: Quantum Field Theory and High Performance Computing
Oxford University Press, 93 (August 2009), 2011, Lecture notes of Les Houches Summer School, 9780199691609. ⟨10.1093/acprof:oso/9780199691609.001.0001⟩
Conference paper
A. Ramos, S. Durr, Z. Fodor, J. Frison, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T Lippert, A. Portelli, K. K. Szabo
Decay constants and sigma terms from the lattice
35th International Conference of High Energy Physics - ICHEP2010, Jul 2010, Paris, France. pp.376
Conference paper
S. Durr, Z. Fodor, J. Frison, T. Hemmert, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, A. Portelli, A. Ramos, A. Schafer, K. K. Szabo
Sigma term and strangeness content of the nucleon
28th International Symposium on Lattice Field Theory (Lattice 2010), Jun 2010, Villasimius, Italy. pp.102
Conference paper
Thorsten Kurth, Stephan Durr, Zoltan Fodor, Christian Hoelbling, Sandor D. Katz, Stefan Krieg, Laurent Lellouch, Thomas Lippert, Kalman K. Szabo, Gregory Vulvert
Scaling study for 2 HEX smeared fermions: hadron and quark masses
28th International Symposium on Lattice Field Theory (Lattice 2010), Jun 2010, Villasimius, Italy. pp.232
Conference paper
J. Frison, S. Durr, Z. Fodor, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, A. Portelli, A. Ramos, K. K. Szabo
Rho decay width from the lattice
28th International Symposium on Lattice Field Theory (Lattice 2010), Jun 2010, Villasimius, Italy. pp.139
Conference paper
A. Portelli, S. Dürr, Z. Fodor, J. Frison, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, K. K. Szabó, A. Ramos
Electromagnetic corrections to light hadron masses
28th International Symposium on Lattice Field Theory (Lattice 2010), Jun 2010, Villasimius, Italy. pp.121
Journal article
Stephan Durr, Zoltan Fodor, Christian Hoelbling, S. D. Katz, Stefan Krieg, T. Kurth, Laurent Lellouch, Thomas Lippert, A. Ramos, Kalman Szabo
Ratio FK/Fpi in QCD
Physical Review D, American Physical Society, 2010, 81 (5), pp.054507. ⟨10.1103/PhysRevD.81.054507⟩
82 results

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