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.

Science in the spotlight


News from UU

Schematische weergave van een magnon of spingolf
12 September 2018
The main component of rust is a cheap and promising material for ICT applications with low excess heating at increased speeds, physicist demonstrate.
3 September 2018
Lectures and debate on possible consequences of sea level rise
Auto werpt stof op in zinderende woestijn
30 August 2018
Strong action is needed to keep warming below 2 °C, conclude Utrecht and Oxford researchers in Earth System Dynamics.
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