Projects (29)

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  • Yangian Symmetry in Quantum Gauge Field Theory

    Plefka, Jan, Prof. Dr. (Theoretical Physics / Quantum Field Theory beyond the Standard Model and String Theory)

    Duration of Project: 01/2017 - 09/2020

    Financer: DFG: Sachbeihilfe

    Our understanding of nature at its deepest level is governed by symmetries. This proposal aims at studying hidden symmetries in quantum field theory going beyond the established space-time symmetries of the Poincare group and its supersymmetric or co ...

  • Upgrade of the ATLAS silicon stripe detector for the extension of the HL LHC

    Lacker, Heiko, Prof. Dr. (Experimental Physics / Elementary Particles Physics II)

    Duration of Project: 07/2015 - 12/2018

    Financer: BMBF
    R&D work for the construction of 500 detector modules in one endcap of the silicon strip detector of the future ATLAS detector for the high-luminosity LHC. In particular: characterization of Hamamatsu sensors, development of tools to build
    modules o ...
  • Top-quark physics at colliders

    Uwer, Peter, Prof. Dr. rer. nat. (Theoretical Physics / Phenomenology of Elementary Particles beyond the Standard Model)

    Duration of Project: 01/2009 - 12/2014

    Financer: DFG: Sonderforschungsbereich - Beteiligungen

    The top-quark, the heaviest known elementary particle, is an excellent probe of the fundamental interactions at (sub)attometer distances. Theoretical investigations of the production and decay of these quarks are essential for the analysis of the cor ...

  • RTG 2575/1: Rethinking Quantum Field Theory

    Plefka, Jan, Prof. Dr. (Theoretical Physics / Quantum Field Theory beyond the Standard Model and String Theory)

    Duration of Project: 04/2020 - 09/2024

    Financer: DFG: Graduiertenkollegs

    Recent findings have revealed that the Standard Model of particle physics – which brings together the current understanding of the physics of elementary particles in a quantum field theory – requires rethinking. Using a broad research approach, the R ...

  • RTG 1504/1: Mass, Spectrum, Symmetry: Particle Physics in the Era of the Large Hadron Collider

    Plefka, Jan, Prof. Dr. (Theoretical Physics / Quantum Field Theory beyond the Standard Model and String Theory)

    Duration of Project: 04/2009 - 12/2013

    Financer: DFG: Graduiertenkollegs

    The standard model of elementary particle physics summarizes our theoretical understanding of the nature of elementary particles and has been formidably confirmed by experiment in the last decades. It is nevertheless clear that the standard model onl ...

  • Reconstruction techniques for low-mass long-lived particles and application to the search for O(10 GeV) neutrinos

    Lacker, Heiko, Prof. Dr. (Experimental Physics / Elementary Particles Physics II)

    Duration of Project: 01/2017 - 12/2019

    Financer: German Israel Foundation

    Search for long-lived particles, in particular, sterile neutrinos with the ATLAS detector using displaced vertices.

  • Precision analysis of data concerning a fourth fermion generation with CKMfitter

    Lacker, Heiko, Prof. Dr. (Experimental Physics / Elementary Particles Physics II)

    Duration of Project: 10/2010 - 06/2014

    Financer: DFG: Sachbeihilfe

    Constraints on parameters for a fourth generation of fermions with the Standard Model of Particle Physics. The data of the Large-Hadron Collider at CERN on the production and decay channels of Higgs bosons allowed us to exclude a 4. fermion generatio ...

  • Physics at the Terascale

    Uwer, Peter, Prof. Dr. rer. nat. (Theoretical Physics / Phenomenology of Elementary Particles beyond the Standard Model)

    Duration of Project: 01/2009 - 12/2014

    Financer: Mischfinanzierung (Schwerpunkt Bund)
    Physics at the Terascale: Physics Analysis, Grid Computing, Detector Physics and Accelerator Physics

    Research in particle physics is motivated by the goal of attaining a fundamental description of the laws of physics, such as explaining the origi ...
  • Phenomenological studies of top-quark properties at hadron collider

    Uwer, Peter, Prof. Dr. rer. nat. (Theoretical Physics / Phenomenology of Elementary Particles beyond the Standard Model)

    Duration of Project: 07/2012 - 06/2015

    Financer: BMBF

    The main goal of the project is to improve our current understanding of top-quark properties using experimental input obtained in hadronic collisions. Top-quark physics is one of the central research topics at the Large Hadron Collider (LHC). Since t ...

  • Numerical approaches for two-loop amplitudes

    Schulze, Markus, Dr. (Theoretical Physics / Phenomenology of Elementary Particles beyond the Standard Model)

    Duration of Project: 11/2017 - 10/2019

    Financer: DFG: Sachbeihilfe

    The project concerns developing a fully numerical approach to two-loop amplitudes in QCD. The method is expected to enable precision calculations which are currently unfeasible with conventional analytic solutions, but urgently required for LHC pheno ...

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