Research group ATLAS - Accelerator based particle physics

The ATLAS experiment detects the particles created when protons or heavy ions collide at very high energies in CERN's largest accelerator - the Large Hadron Collider, LHC. This is where the Higgs particle was discovered in 2012.
The ATLAS experiment.

The ATLAS experiment is running att CERNs largest accelerator - the Large Hadron Collider, LHC.

We are involved in the construction and operation of two parts of the detector - the readout electronics for the hadron calorimeter and the first level calorimeter trigger. We are also involved in the development of algorithms for data analysis, including the identification of bottom quakes, and have a leading role in the measurement of luminosity. Our main research areas are searches for supersymmetry, dark matter and pair production of Higgs bosons, as well as measurements of processes involving top quarks.

The focus now is on understanding how the Standard Model can be extended to explain, among other things, dark matter and the asymmetry between matter and antimatter in the Universe.

The researchers are collaborating with Oskar Klein Centre.

This research group has no members.

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Ready for the next step after the discovery of the Higgs particle

The discovery of the Higgs particle at the LHC particle accelerator in CERN in Switzerland sent waves of joy throughout the research community. Yet the evidence raised several new questions about the components of the universe. Sara Strandberg is preparing an upgrade of the accelerator to obtain more answers.

Department of Physics

Fysikum physicists among winners of prestigious Breakthrough Prize in Fundamental Physics

Scientists from Stockholm University are among the worldwide researchers honored with the 2025 Breakthrough Prize in Fundamental Physics, awarded to the ATLAS Collaboration at CERN's Large Hadron Collider (LHC) alongside its sister experiments ALICE, CMS and LHCb. The prize was founded in 2012 by Yuri Milner to recognize those individuals who have made profound contributions to human knowledge.

Department of Physics

Sara Strandberg on Wallenberg Scholar and the Higgs particle

The Wallenberg Scholars program supports and stimulates some of the most successful senior researchers at Swedish universities. The grant is for five years with the possibility of a five-year extension. There are currently 88 active Wallenberg Scholars and Emil Bergholtz was recently appointed. Sara Strandberg received a five-year extension. On April 12, Sara participated in the Swedish Radio program Vetenskapsradion on the topic of the Higgs particle.

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