spallation neutron source
英[spɔˈleiʃən ˈnu:ˌtrɔn sɔ:s]美[spɔˈleʃən ˈnuˌtrɑn sɔrs]
The Spallation Neutron Source (SNS) is an accelerator-based neutron source facility that provides the most intense pulsed neutron beams in the world for scientific research and industrial development.In 2007, SNS was entered into the Guinness Book of World Records as the most powerful pulsed spallation source.