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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

List of Publications

80 results
Journal article
Sz. Borsanyi, S. Durr, Z. Fodor, C. Hoelbling, S. D. Katz, S. Krieg, L. Lellouch, T. Lippert, A. Portelli, K. K. Szabo, B. C. Toth
Ab initio calculation of the neutron-proton mass difference
Science, American Association for the Advancement of Science, 2015, 347 (6229), pp.1452-1455. 〈10.1126/science.1257050〉
Conference paper
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett, Masafumi Kurachi, Toshihide Maskawa, Kohtaroh Miura, Kei-Ichi Nagai, Hiroshi Ohki, Enrico Rinaldi, Akihiro Shibata, Koichi Yamawaki, Takeshi Yamazaki
Topological insights in many-flavor QCD on the lattice
Sakata Memorial KMI Workshop on "Origin of Mass and Strong Coupling Gauge Theories (SCGT15)", Mar 2015, Nagoya, Japan. Sakata Memorial KMI Workshop on "Origin of Mass and Strong Coupling Gauge Theories (SCGT15)"
Conference paper
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett, Masafumi Kurachi, Toshihide Maskawa, Kohtaroh Miura, Kei-Ichi Nagai, Hiroshi Ohki, Enrico Rinaldi, Akihiro Shibata, Koichi Yamawaki, Takeshi Yamazaki
Lattice study of the scalar and baryon spectra in many-flavor QCD
Sakata Memorial KMI Workshop on "Origin of Mass and Strong Coupling Gauge Theories (SCGT15), Mar 2015, Nagoya, Japan. Sakata Memorial KMI Workshop on "Origin of Mass and Strong Coupling Gauge Theories (SCGT15)
Conference paper
Kohtaroh Miura, Kei-Ichi Nagai, Akihiro Shibata
Schwinger-Dyson Study for Walking/Conformal Dynamics with IR Cutoffs
Sakata Memorial KMI Workshop on "Origin of Mass and Strong Coupling Gauge Theories" (SCGT15), Mar 2015, Nagoya Japan. Sakata Memorial KMI Workshop on "Origin of Mass and Strong Coupling Gauge Theories" (SCGT15)
Journal article
Stephan Durr, Zoltan Fodor, Christian Hoelbling, Stefan Krieg, Thorsten Kurth, Laurent Lellouch, Thomas Lippert, Rehan Malak, Thibaut Metivet, Antonin Portelli, Alfonso Sastre, Kalman Szabo
Lattice QCD at the physical point meets SU(2) chiral perturbation theory
Physical Review D, American Physical Society, 2014, 90 (11), pp.114504. 〈10.1103/PhysRevD.90.114504〉
Journal article
Sinya Aoki, Yasumichi Aoki, Claude Bernard, Tom Blum, Gilberto Colangelo, Michele Della Morte, Stephan Dürr, Aida X. El Khadra, Hidenori Fukaya, Roger Horsley, Andreas Jüttner, Takeshi Kaneko, Jack Laiho, Laurent Lellouch, Heinrich Leutwyler, Vittorio Lubicz, Enrico Lunghi, Silvia Necco, Tetsuya Onogi, Carlos Pena, Christopher T. Sachrajda, Stephen R. Sharpe, Silvano Simula, Rainer Sommer, Ruth S. Van de Water, 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), 2014, 74 (9), pp.2890. 〈10.1140/epjc/s10052-014-2890-7〉
Conference paper
Rehan Malak, Zoltan Fodor, Christian Hoelbling, Laurent Lellouch, Alfonso Sastre, Kalman Szabo
Finite-volume corrections to the leading-order hadronic contribution to $g_\mu-2$
The 32nd International Symposium on Lattice Field Theory, Jun 2014, New York, United States. pp.161, 2015, PoS LATTICE2014
Conference paper
Christian Torrero, For The Budapest-Marseille-Wuppertal Collaboration
Computing the nucleon sigma terms at the physical point
32nd International Symposium on Lattice Field Theory (Lattice 2014), Jun 2014, New York, United States. pp.143, 2014, PoS LATTICE2014
Conference paper
Thibaut Metivet, On Behalf of The Budapest-Marseille-Wuppertal Collaboration
Lattice study of pion-pion scattering using Nf=2+1 Wilson improved quarks with masses down to their physical values
32nd International Symposium on Lattice Field Theory (Lattice 2014), Jun 2014, New York, United States. LATTICE2014, Proceedings of Science
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〉
80 results

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