How the European Spallation Source will put Europe at the forefront of neutron science

Photo caption: If you build it, they will come: up to 3000 visiting scientists a year are expected to use the European Spallation Source when it enters operation at the end of 2027. Photo courtesy of Ulrika Hammarlund / ESS. Interview by Joe McEntee. Physics World – April 11, 2023.

Helmut Schober, director-general of the €3bn European Spallation Source in Lund, Sweden, talks to Joe McEntee about building one of the world’s most powerful neutron facilities

What is the European Spallation Source (ESS)?

At the heart of the ESS is a linear accelerator – the most powerful proton linac ever built – that will produce, in its final stage, a 5 MW beam of 2 GeV protons. These protons will strike a 2.5 m diameter rotating target wheel – containing three tonnes of tungsten – to generate a beam of neutrons via a […]

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