The facility is currently built around a 5MV Singletron, a particle accelerator similar to a Van de Graaff.
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In 2006 the Van de Graaff was replaced by a 5 MV Singletron from High Voltage Engineering Europa (HVEE) in the Netherlands.
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RARAF operated at BNL from 1967 until 1980, when it was dismantled to make room for the ISABELLE project, a very large accelerator which was never completed.