Scientists and Users The direct access for scientists, researchers and the users of our large facilities

The Swiss Battery Days 2020/2021

A world without batteries? Unimaginable! They transform our electronic devices into wireless and portable objects.

Cutting the cost of splitting water

Hydrogen can be extracted from water and stored as fuel. But the world needs better catalysts to make this process sustainable and affordable.

Muon rakers bring particles into line

Muons can be created through collisions between protons and nuclei, but need to be controlled in order to be useful.

SLS 2.0 approved - TOMCAT 2.0 cleared for takeoff!

In December 2020 the Swiss parliament approved the Swiss Dispatch on Promotion of Education, Research and Innovation (ERI) for 2021 to 2024 which includes funding for the planned SLS 2.0 upgrade.

Welcome to the PSI Science Portal. On this site you find information on PSI's different research activities and on the experimental opportunities at PSI's large scale research infrastructures.

PSI User Office

The PSI User Office is a central PSI installation to serve the users from all the four user laboratories.

Conference Calendar

Conferences related to methods and topics addressed at our user facilities

PSI Publications

Digital repository and bibliography for all research articles and other publications affiliated with the PSI

PSI User Facilities Newsletter

Current News from PSI photon, neutron and muon user facilities


Library for the Research Institutes within the ETH Domain: Eawag, Empa, PSI & WSL.

Research Integrity at PSI

Research Integrity at the research institutes PSI, EMPA, Eawag, WSL

PSI Guest House

The PSI operates a Guest House to offer a local and practical accommodation for its visitors, guests and users on site.