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

Take a deep breath. But how clean was the air?

The EU project, RI-URBANS, aims to improve air quality monitoring across Europe

CHRISP — All the key results in one place

A specialSciPost volume, entitled “Review of Particle Physics at PSI”, has recently been completed.


The ICE MEMORY program

As an international initiative, ICE MEMORY aims at collecting heritage ice cores from the world’s key endangered glaciers to store them under safe conditions and international governance in Antarctica for future generations of scientists.

Nanobodies against SARS-CoV-2

In a study published in EMBO Journal, researchers at the Max Planck Institute for Biophysical Chemistry, Göttingen, Germany, developed nanobodies that efficiently block the coronavirus SARS-CoV-2 and its variants. The high resolution structural characterization was performed at the X10SA crystallography beamline at the Swiss Light Source.

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.