Division Particle & Astroparticle Physics

Research: Physics Beyond the Standard Model

The same physics underlies the phenomena which are being probed at a forthcoming broad spectrum of experiments in particle and astroparticle physics. Experiments at the Large Hadron Collider (LHC) and searches for lepton flavour violation are complementary and likely to produce in the coming years results of fundamental importance. In addition, searches for neutrino-like Weakly Interacting Massive Particles (WIMPs) which are candidates for the Dark Matter of the Universe also have very good potential. Various other astroparticle physics experiments and cosmological observations will also provide further unique insights. This will lead to a very interesting interplay which should allow to answer important questions connected to the nature of electro-weak symmetry breaking, to the origin of the generations and to the nature of Dark Matter. There is also a good potential that completely new and unexpected phenomena will be uncovered such that significant progress in the understanding of physics beyond the Standard Model can be expected. The theoretical work of the division studies such questions in general and also by including results from various experimental efforts world-wide. This requires expertise in rather different fields in order to make full use of all the knowledge being collected at rather different frontiers. Interesting topics connected to Standard Model extensions are, for example, electro-weak symmetry breaking, supersymmetric and conformal extensions of the Standard Model, Grand Unified Theories, extra dimensions, lepton flavour violation, lepton number violation, B+L violation, sterile neutrinos, left-right and/or Dark Matter, Dark Energy, neutrino masses and mixings as well as baryogenesis. The theoretical work of the division also guides the experimental efforts and it provides direct support for their analysis and interpretation.

Figure: Particles of the Standard Model. The origin of three generations of fermions (I,II,III) is not understood. Theoretical arguments and experimental observations require extensions.
BSM picture

Last modified: Sat 22. July 2017 at 09:00:14