the long-awaited European Spallation Source (ESS), a next-generation, high-flux neutron source for Europe 1. There are three candidate sites to host the ESS. What is needed now is a decision to ...

Neutrons can be created by nuclear reactions in reactors and accelerators. A spallation source consists of a high-powered accelerator that brings protons with energies of greater than 0.5 GeV ...