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The Looming Neutron Gap

The cancellation of the US Advanced Neutron Source will add to a growing shortage of prime facilities and increase Europe`s lead in the field. This article discusses the significance of this decision for neutron source technology both in the US and Europe, and the significance of this technology in the future. The demand for neutrons is growing rapidly. Europe, in spite of the number of powerful sources available, is pursuing a scattered course of development, with scientists divided about how to fill the neutron gap. In the meantime the US is back to the drawing board, both in terms of what to build and how and where to build it, though Oak Ridge National Laboratory is the preferred site.