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Research with Neutrons and Muons (NUM)

The NUM division performs world-class research with neutrons and muons to explore and understand matter and materials. The NUM division operates and develops the Swiss Spallation Neutron Source SINQ, the Ultra-cold Neutron Source UCN, the Swiss Muon Source SμS and the facilities for particle physics at the Paul Scherrer Institute and is one of the five PSI research divisions.

Read more about the NUM division.

Latest News

4 December 2017

Charpak-Ritz Prize 2018 to Roland Horisberger

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The Charpak-Ritz Prize 2018, jointly awarded by the French Physical Society and the Swiss Physical Society, has been awarded to Roland Horisberger of the Laboratory for Particle Physics at NUM.

30 November 2017

More than a prototype

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Jean-Baptiste Mosset (Laboratory for Particle Physics) is the winner of a PSI Founder Fellowship and plans now to commercialise a neutron detector to spot plutonium and uranium.

14 November 2017

A null result full of insights

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A laboratory-based search for axion dark matter ended, not unexpectedly, without a discovery. It provides, however, valuable constraints for the properties that these hypothetical particles can have — and thus a guide to where to look next.

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