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The SONATE project, a french CANS for materials sciences research

Abstract : We describe the Compact Accelerator-based Neutron Source SONATE which we are aiming for to replace the close Orphée reactor at Saclay, France. The SONATE source would serve an instrumental suite of about 10 instruments. The instruments would be split into low resolution instruments and higher resolution instruments. Our reference design is based on a proton accelerator operating at an energy in the range 20-30 MeV. The accelerator would serve 2 target stations. The first one operating at 20Hz with 2ms long pulses serving low resolution instruments (SANS, reflectivity, imaging, spin-echo) and the second one operating at 100Hz, 200µs long pulses serving higher resolution instruments (powder diffraction, Direct Time-of-flight spectroscopy, Indirect geometry spectroscopy). The 2 operation modes would be interlaced. The peak current on the target is aimed at 100 mA with an average power on the target on the order of 50-80 kW. Numerical Monte-Carlo simulations show that we may expect instrument performances equivalent to the current instruments around Orphée or ISIS.
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Submitted on : Tuesday, August 27, 2019 - 9:58:16 AM
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Frédéric Ott, Alain Menelle, Christiane Alba-Simionesco. The SONATE project, a french CANS for materials sciences research. EPJ Web of Conferences, EDP Sciences, 2020, 231, pp.01004. ⟨10.1051/epjconf/202023101004⟩. ⟨cea-02271619⟩



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