Stefan Ritts
Keeping an eye on the data flow: Muon decay experiments such as MEG and Mu3e require processing and storing several hundred megabytes per second. This is no problem for Stefan Ritt’s MIDAS software. © Paul Scherrer Institute PSI/Markus Fischer
29.05.2026
•Fundamentals of Nature

Lord of the data

Stefan Ritt works at the very limits of what can be measured. He has now been awarded the IEEE NPSS Computer Applications in Nuclear and Plasma Sciences Award for creating and leading the MIDAS DAQ system.

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AiiDAlab
11.05.2026
•Future Technologies
•6 min

AiiDAlab: software that drives research forward

The software platform AiiDAlab was developed for computer simulations in materials research. It’s now becoming clear that it's also useful in many other areas, such as atmospheric research, controlling experiments and teaching.

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Scientists used neutrons to investigate how hybrid implants made of magnesium and titanium change inside the body. The findings are important for developing better implants. © Adobe Stock
Scientists used neutrons to investigate how hybrid implants made of magnesium and titanium change inside the body. The findings are important for developing better implants. © Adobe Stock
23.02.2026
•Health Innovation
•5 min

How hydrogen affects titanium implants

Researchers use Swiss Spallation Neutron Source SINQ to study how medical implants change inside the body.

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Im Treppenhaus des Park Innovaare unterhalten sich Lea Caminada, Leiterin der Forschungsruppe für Hochenergiephysik am Zentrum für Neutronen- und Myonenforschung des PSI, und Wolfram Erdmann, Projektleiter des europaweiten Konsortiums, das einen bedeutenden Teil des nächsten CMS-Detektors am CERN baut.
In the stairwell of Park Innovaare, Lea Caminada, head of the High Energy Particle Physics group at the PSI Center for Neutron and Muon Sciences, is in conversation with Wolfram Erdmann, project leader of the Europe-wide consortium, which is building a significant part of the next CMS detector at CERN. © Paul Scherrer Institute PSI/Markus Fischer
04.02.2026
•Future Technologies
•10 min

One thousand modules for CERN

At CERN near Geneva, tiny particles with extremely high energies are blasted at each other to answer big questions about the universe. The detectors that observe the collisions of these particles require regular upgrades. Lea Caminada and her High Energy Particle Physics research group at PSI play an important role in this quest.

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PSI Center for Neutron and Muon Sciences

The PSI Center for Neutron and Muon Sciences uses neutrons and muons to explore and understand matter and materials.

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Baral et al
•Large research facilities

Surface-confined spiral state with a doubled magnetic period in Cu2OSeO3

SINQ

Magnetism in solid materials originates from tiny atomic “compasses” called electron spins. In many magnetically ordered compounds, these spins simply align parallel or antiparallel to each other. However, in more complex systems they can arrange into ...

Ponis et al
•Large research facilities

Alkali-Metal Interlocking of 2D V4O10 Sheets Defines Discretized Interlayer Shear Relationships

SINQ

Low-dimensional materials manifest structural anisotropy, quantum confinement, and tightly bound excitonic states, which make them attractive building blocks that can be assembled within three-dimensional laterally stitched heterostructures, stacked van der Waals solids, and complex moiré superlattices ...

Neves et al
•Large research facilities

Cascade of Spin Moiré Superlattices with In-Plane Field in Triangular Lattice Semimetal EuAg4Sb2

SINQ

EuAg4Sb2 is a rhombohedral europium triangular lattice material that exhibits a rich phase diagram of spin moiré superlattices (SMS) and single-q magnetic phases. In this paper, we characterize ...

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Swiss Spallation Neutron Source SINQ

Neutron scattering techniques are highly versatile and powerful tools for studying the structure and dynamics of condensed matter. A wide scope of problems, ranging from fundamental to solid state physics and chemistry, and from materials science to biology, medicine and environmental science, can be investigated with neutrons. In addition to scattering, non-diffractive methods like imaging techniques allows for non-destructive inspection of materials and components, providing information on their internal structure, composition, and integrity with growing relevance also for industrial applications.
  • Borshch V, Babaev A, Uzunian A, Slabospitskii S, Kachanov V, Blinov V, et al.
    Combined effective field theory interpretation of Higgs boson, electroweak vector boson, top quark, and multijet measurements
    European Physical Journal C: Particles and Fields. 2026; 86(4): 331 (54 pp.). https://doi.org/10.1140/epjc/s10052-025-14997-y
    DORA PSI
  • Wang H, van Schie L, Erickson A, Riddiford LJ, Petrosyan D, Degen CL, et al.
    Coherent microwave driving of domain wall depinning in a ferrimagnetic garnet
    Nano Letters. 2026; 26(18): 6048-6054. https://doi.org/10.1021/acs.nanolett.6c00234
    DORA PSI
  • Eder F, Maesen Z, Skourski Y, Giannini E, Zaharko O, von Rohr FO
    Resolving growth-induced off-stoichiometry in AgCrSe2 single crystals
    Crystal Growth and Design. 2026; 26(10): 3994-4001. https://doi.org/10.1021/acs.cgd.6c00144
    DORA PSI
  • Busi M, Nocerino E, Åhl A, Mirzaei F, Bergström L, Strobl M
    Multi-directional neutron dark-field tomography of nanostructural orientation in cellulose foams
    Materials Today Advances. 2026; 30: 100824 (8 pp.). https://doi.org/10.1016/j.mtadv.2026.100824
    DORA PSI
  • Cernaianu MO, Ghenuche P, Lippert T, Dinescu M, Palla-Papavlu A
    Initial stages of laser-induced forward transfer using a release layer via hydrodynamic simulations
    Applied Surface Science. 2026; 742: 167249 (10 pp.). https://doi.org/10.1016/j.apsusc.2026.167249
    DORA PSI
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300

The CNM center hosts 300 members of staff, in addition 40 PhD students perform their thesis work within CNM

5+1

The center is organized in 5 laboratories and 1 staff group.

3/30

CNM operates 3 of the 5 large scale user facilities: the Swiss spallation neutron source SINQ, the Swiss Muon Source SμS and the facilities for particle physics CHIRSP with approximately 30 experimental stations open for users.

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The facilities in the CNM center are open to international access — with approximately 1700 annual user visits the associated user program is a key activity for the center and for PSI as a whole.
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Paul Scherrer Institut
Center for Neutron and Muon Sciences CNM

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5232 Villigen PSI
Switzerland