Institute for Subatomic Physics

At the Institute for Subatomic Physics (SAP) we conduct fundamental experimental research into the building blocks of matter and the various forces acting on them. We are part of the ALICE experiment at the CERN's Large Hadron Collider (LHC) in Geneva (Switzerland) and we closely collaborate with the Nikhef institute in Amsterdam.


Phone: +31 30 253 1492

Princetonplein 1
3582 CC Utrecht


News from UU

logo NWO
8 November 2019
The consortium is to receive 5.4 million euros. Sanli Faez (Physics) is leading one of the six projects in the consortium.
Na ons de zondvloed
1 November 2019
Documentary portraits of low-lying areas where the rising water is a huge problem.
21 October 2019
First mural portrays Buys Ballot (1817-1890), Professor at Utrecht University, who was the first to experimentally prove the Doppler effect.
Publications Subatamic Physics

Elliptic flow of charged particles in Pb-Pb collisions at 2.76 TeV

In one of the first publications of the ALICE experiment, where our institute played a leading role in the analysis, we showed that the emission of particles in heavy-ion collisions at the LHC has a characteristic anisotropy, called elliptic flow. The observation demonstrates that a thermalised, dense system is created, and the strength of the effect shows, that the matter behaves as a perfect liquid with an extremely small viscosity.

More publications