The European Spallation Source (ESS) is a European Research Infrastructure Consortium (ERIC), a multi-disciplinary research facility based on the world’s most powerful neutron source.

The ESS is under construction in the city of Lund, in southern Sweden.

ESS Construction - April 2018

The facility’s unique capabilities will both greatly exceed and complement those of today’s leading neutron sources, enabling new opportunities for researchers across the spectrum of scientific discovery, including materials and life sciences, energy, environmental technology, cultural heritage and fundamental physics.

To reach this goal, the ESS accelerator high level requirements are to provide a 2.86 ms long proton pulse at 2 GeV at repetition rate of 14 Hz. This represents 5 MW of average beam power with a 4% duty cycle on target.

The next great Big Science facility, based on the world’s most powerful neutron source, will make possible ‘the new science’.

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