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Professorship for Theoretical Physics - Elementary Particle Physics

Prof. Dr. Heinrich Päs

Department of Physics
Otto-Hahn-Str. 4
44227 Dortmund

Room: P1-04-309
E-Mail: heinrich.paestu-dortmundde
Tel.: +49 (0)231 755-3573
Fax: +49 (0)231 755-5025

Portrait of  Heinrich Paes © Heinrich Päs​/​TU Dortmund


"Our research group explores neutrinos and their role as probes for particle physics beyond the Standard Model, cosmology, and the foundations of quantum physics. Neutrinos are mavericks in the particle zoo: they are electrically neutral and therefore hardly interact, they are much lighter than the other known fermions in the Standard Model, and their flavors mix much more strongly than quarks. It is precisely these properties that make neutrinos a particularly exciting object of research: for example, each cubic centimeter of the universe is said to contain about 330 neutrinos, which thus contribute about as much to the mass of the universe as all the stars combined. Neutrinos thus share many properties with the enigmatic dark matter in the universe. In addition, neutrinos could be their own antiparticles, resolving the question of why there is more matter than antimatter in the universe, propagating in a fourth or fifth dimension of space, and maintaining quantum coherence over cosmological distance scales. The exploration of the neutrino sector has just begun and surely holds many more surprises!"

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Location & approach

The campus of the Technical University of Dortmund is located near the freeway junction Dortmund West, where the Sauerland line A45 crosses the Ruhr expressway B1/A40. The Dortmund-Eichlinghofen exit on the A45 leads to the South Campus, the Dortmund-Dorstfeld exit on the A40 leads to the North Campus. The university is signposted at both exits.

The "Dortmund Universität" S-Bahn station is located directly on the North Campus. From there, the S-Bahn line S1 runs every 20 or 30 minutes to Dortmund main station and in the opposite direction to Düsseldorf main station via Bochum, Essen and Duisburg. In addition, the university can be reached by bus lines 445, 447 and 462. Timetable information can be found on the homepage of the Rhine-Ruhr transport association, and DSW21 also offer an interactive route network map.



One of the landmarks of the TU Dortmund is the H-Bahn. Line 1 runs every 10 minutes between Dortmund Eichlinghofen and the Technology Center via Campus South and Dortmund University S, while Line 2 commutes every 5 minutes between Campus North and Campus South. It covers this distance in two minutes.



From Dortmund Airport, it takes just over 20 minutes to get to Dortmund Central Station by AirportExpress and from there to the university by S-Bahn. A wider range of international flight connections is offered by Düsseldorf Airport, about 60 kilometers away, which can be reached directly by S-Bahn from the university's train station.

Interactive map

The facilities of TU Dortmund University are spread over two campuses, the larger Campus North and the smaller Campus South. Additionally, some areas of the university are located in the adjacent "Technologiepark".

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