50 years - Austria / II. Republic of Austria 2016 - 80 Euro Cent

The Institute of High Energy Physics - HEPHY for short - is Austria's largest center for particle physics. The HEPHY was founded in 1966 as one of meanwhile 28 institutes of the Austrian Academy of Sciences. There are currently around 70 staff working at the institute, who not only devote themselves to basic research, but also to the education of the next generation of physicists. The HEPHY provides internationally important key contributions to the current topics of particle physics. Elementary particles such as quarks are constituents of atoms, and there are many other particles, such as leptons, gauge bosons or the Higgs particle, which form the so-called standard model. Yet a number of questions remain open, including the nature of dark matter, which accounts for most of the matter in the universe. Particle physicists are therefore trying, among other things, to gain insights into the origin of our universe with the Large Hadron Collider (LHC) at CERN, the world's largest particle physics research center in Switzerland. The field of activity of the Institute for High Energy Physics located in Vienna-Margareten includes research into the smallest building blocks of matter and the forces working between them. In order to study the properties of these fundamental elementary particles, it requires large accelerators and detectors. Therefore, the main focus of the Vienna Institute is participation in international large-scale experiments. The HEPHY is instrumental in experiments at CERN (Switzerland), KEK (Japan) and Gran Sasso (Italy) and is a founding member of the CMS experiment of the LHC at CERN. The special stamp shows the inside of the CMS detector. In addition to the priority research and education of students, the HEPHY also regularly organizes conferences, workshops and seminars for a specialist audience, as well as exhibitions and lectures for interested amateurs. Through special events for children and adolescents, the particle physicists are trying to inspire the next generation for research and technology.