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Our members : From left to right: G. Perrin, C.Grab, S. Corrodi, L. Perrozzi


The group research interests cover a wide range from studies of QCD production to the standard model Higgs boson searches. The present research activities exploit the data produced by the Large Hadron Collider (LHC) at CERN during its run at 7 TeV and at 8 TeV, and collected by the Compact Muon Solenoid (CMS) detector. From the very beginning of the LHC run, the group has been involved in heavy flavour related analysis, concentrating on highly efficient and pure detection of beauty quarks (bottom quarks).

Our group was part of the overall CMS collaboration effort that discovered a new Higgs boson as announced on July 4th, 2012 at CERN. The characteristics  of this boson and the detailed study of its properties are the present goals of the group. We are invloved now in Run 2 (at 13 TeV) concentrating on H-->bb decays. (see CMS-homepage)

At the Paul-Scherrer-Institut (PSI) we are involved in the Mu3e experiment to search for the lepton-flavour violating decay where an anti-muon decays into two positrons and an electron without accompanying neutrinos. Any observation of this decay mode is a clean indication of physics beyond the realm of our standard model.

ETH News

16.05.2017 | Felix Würsten

Persistent and curious

As Professor of Particle Physics, Felicitas Pauss played a key role in the discovery of the Higgs boson. Tomorrow, she will be honoured with the Richard Ernst Medal. Read more 

12.05.2017 | Oliver Morsch

One laser is enough

Gases in the environment can be spectroscopically probed fast and precisely using so-called dual frequency combs. Researchers at ETH have now developed a method by which such frequency combs can be created much more simply and cheaply than before. Read more 

11.05.2017 | Michael Keller

Pauli Lectures take a look under the microscope

Using a trick with the optical resolution limit, Stefan W. Hell managed to break through the diffraction barrier in light microscopy, making it possible to obtain high-resolution images of the innermost workings of life. The chemistry Nobel laureate will now deliver this year’s Pauli Lectures at ETH Zurich. Read more 

11.04.2017 | Barbara Vonarburg

A lifelong fascination with planets

Watching Star Trek as a child first inspired Judit Szulágyi’s fascination with planets and galaxies. Today Forbes ranks the astrophysicist among Europe’s 30 most influential scientists under the age of 30. Watch as she explains how she uses computer simulations to research the birth of giant planets – and how she decided on this career path in the first place. Read more 


The group is involved in various teaching activities within the physics department:


  • Various outreach activities, such as participation in the European Masterclasses,
    the "ETH unterwegs" program, "TecDays at Swiss High-schools" and "Particle Physics classes" for physics teachers at high-schools.

Events D-PHYS

29 May 2017, Colloquium

LIGO Event on the Back of an Envelope

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29 May 2017, Inaugural lecture

Electronic and Photonic quantum engineered systems

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29 May 2017, Talk

Electronic and Photonic quantum engineered systems

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31 May 2017, Colloquium

Flavour Anomalies and the Quest for New Physics

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Visualization of a measured CMS event with two muons and two b-tagged jets
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Thu May 25 01:37:01 CEST 2017
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