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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
Miura Kohtaroh Postdoctoral researcher
Email

List of Publications

79 results
Journal article
Aoife Bharucha, Andreas Goudelis, Abdelhak Djouadi
Threshold enhancement of diphoton resonances
Physics Letters B, Elsevier, 2016, 761, pp.8-15. 〈10.1016/j.physletb.2016.07.079〉
Journal article
Aoife Bharucha, David M. Straub, Roman Zwicky
B→Vℓ+ℓ− in the Standard Model from Light-Cone Sum Rules
Journal of High Energy Physics, Springer, 2016, 2016 (8), pp.98. 〈10.1007/JHEP08(2016)098〉
Journal article
Z. Fodor, C. Hoelbling, S. Krieg, L. Lellouch, Th. Lippert, A. Portelli, A. Sastre, K. k. Szabo, L. Varnhorst
Up and Down Quark Masses and Corrections to Dashen’s Theorem from Lattice QCD and Quenched QED
Physical Review Letters, American Physical Society, 2016, 117 (8), 〈10.1103/PhysRevLett.117.082001〉
Conference paper
Taichi Kawanai, Sz. Borsanyi, Z. Fodor, S. Krieg, L. Lellouch, Rehan Malak, Kohtaroh Miura, K.K. Szabo, Christian Torrero, B.C. Thot
Disconnected hadronic contribution to the muon magnetic moment at the physical point
34th International Symposium on Lattice Field Theory, Jul 2016, Southampton, United Kingdom. Proceedings of Science, LATTICE2016 (171), 2017
Conference paper
Kohtaroh Miura, Szabolcs Borsanyi, Zoltan Fodor, Taichi Kawanai, Stefan Krieg, Laurent Lellouch, Rehan Malak, Kalman Szabo, Christian Torrero, B.C. Thot
Moments of the quark electromagnetic-current two-point function at the physical point: connected contributions
34th International Symposium on Lattice Field Theory, Jul 2016, Southampton, United Kingdom. Proceedings of Science, LATTICE2016, pp.174, 2017
Conference paper
Laurent Lellouch
A high-statistics lattice QCD study of nucleon sigma terms
34th International Symposium on Lattice Field Theory, Jul 2016, Southampton, United Kingdom. Proceedings of Science, LATTICE2016, pp.183, 2017
Journal article
Andreas Athenodorou, Ed Bennett, Georg Bergner, Daniel Elander, C. -J. David Lin, Biagio Lucini, Maurizio Piai
Large mass hierarchies from strongly-coupled dynamics
Journal of High Energy Physics, Springer Verlag (Germany), 2016, 2016 (6), 〈10.1007/JHEP06(2016)114〉
Journal article
S. Durr, Z. Fodor, C. Hoelbling, S. D. Katz, S. Krieg, L. Lellouch, T. Lippert, T. Metivet, A. Portelli, K. K. Szabo, C. Torrero, B. C. Toth, L. Varnhorst
Lattice computation of the nucleon scalar quark contents at the physical point
Physical Review Letters, American Physical Society, 2016, 116 (17), pp.172001. 〈10.1103/PhysRevLett.116.172001〉
Journal article
Aoife Bharucha, M. Beneke, Andrzej Hryczuk, Francesco Dighera, Charlotte Hellmann, S. Recksiegel, P. Ruiz Femenia
Relic density of wino-like dark matter in the MSSM
Journal of High Energy Physics, Springer, 2016, 2016 (03), pp.119. 〈10.1007/JHEP03(2016)119〉
Preprint, Working paper
Damir Becirevic, Svjetlana Fajfer, Ivan Nisandzic, Andrey Tayduganov
Angular distributions of $\bar B \to D^{(\ast)}\ell\bar \nu_\ell$ decays and search of New Physics
2016
79 results

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