Abstract
A heavy-ion accelerator complex called RAON is currently under development in Korea. The neutron science facility (NSF) is a part of RAON to produce white and mono-energetic neutrons covering the 10-90 MeV energy range with high-intensity. Deuterons and protons with ≤ 53 MeV and ≤ 88 MeV, respectively, accelerated by superconducting linac are delivered to the neutron target to produce fast neutrons. Pulsed beam intense is up to more than ∼ 20 μA enough for measurements of neutron-induced reactions at the neutron time-of-flight (n-TOF) facility. Be and C target are used to produce white neutrons and Li target is used for mono-energetic neutrons. Basically, two neutron beam lines at 0 ° and 30 ° will be constructed by using neutron collimator. In NSF, the time projection counter (TPC) is employed to measure fission cross-section with ∼few % uncertainty.
Highlights
An accelerator complex called RAON plans to provide the first primary beam into the neutron science facility (NSF) for producing fast neutrons covering the 10-90 MeV energy range with high-intensity in early 2018
The proton and deuteron beam frequency are variable from 1 MHz to 1 kHz while linac primary beam frequency is 81.25 MHz
The building of NSF is divided into the two main sectors such as target and TOF hall
Summary
An accelerator complex called RAON plans to provide the first primary beam into the neutron science facility (NSF) for producing fast neutrons covering the 10-90 MeV energy range with high-intensity in early 2018. The design of generation nuclear power plants and advanced accelerated-driven sub-critical systems highly depends on the accuracy of the libraries on neutroninduced reactions in this energy region.
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