ISIS - pulsed neutron and muon source

The ISIS pulsed neutron and muon source is described. Up to now the accelerators have delivered a 145-160 kW proton beam at 50 pps to a tungsten neutron-producing target preceded by a graphite muon-producing intermediate target. However a second target station is now being constructed, and the beam power from the accelerators is being increased so that the first target station will not suffer in performance when the beam has to be divided between two target stations.