Abstract
The neutrons for science (NFS) facility is a component of SPIRAL-2, the new superconducting linear accelerator built at GANIL in Caen (France). The proton and deuteron beams delivered by the accelerator will allow producing intense neutron fields in the 100 keV-40 MeV energy range. Continuous and quasi-mono-kinetic energy spectra, respectively, will be available at NFS, produced by the interaction of a deuteron beam on a thick Be converter and by the 7Li(p,n) reaction on thin converter. The pulsed neutron beam, with a flux up to two orders of magnitude higher than those of other existing time-of-flight facilities, will open new opportunities of experiments in fundamental research as well as in nuclear data measurements. In addition to the neutron beam, irradiation stations for neutron-, proton- and deuteron-induced reactions will be available for cross-sections measurements and for the irradiation of electronic devices or biological cells. NFS, whose first experiment is foreseen in 2018, will be a very powerful tool for physics, fundamental research as well as applications like the transmutation of nuclear waste, design of future fission and fusion reactors, nuclear medicine or test and development of new detectors.
Highlights
The Neutrons For Science (NFS) facility is under construction on the GANIL [1] site at Caen (France)
NFS is composed of a pulsed neutron beam for time-of-flight facility as well as irradiation stations for cross-section measurements
Neutrons will be produced by the interaction of deuteron and proton beams, delivered by the SPIRAL-2 linear accelerator, with thick or thin converters made of beryllium or lithium
Summary
The Neutrons For Science (NFS) facility is under construction on the GANIL [1] site at Caen (France). This facility will be dedicated to the study of neutron and light charged particle induced reactions. The energy range covered (up to 40 MeV) is of prime interest for fundamental research and applications. Among these topics we can mention the need of nuclear data for new reactor generation, the fusion technology or the medical applications. NFS will open GANIL/SPIRAL-2 to a new community of physicists in academic research as well as in several fields of applications. Accelerator is ongoing and the first beam at the exit of the LINAC is expected for 2017 [5]
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