Concept for a Time-of-Flight Small Angle Neutron Scattering Instrument at the European Spallation Source

Jaksch, S.; Engels, R.; Jestin, J.; Frielinghaus, Henrich; Martin-Rodriguez, D.; Uher, J.; Duarte Pinto, S.; Bouwman, W. G.; Ostermann, A.

doi:10.1016/j.nima.2014.04.024

Journal Article

FZJ-2014-02930

Concept for a Time-of-Flight Small Angle Neutron Scattering Instrument at the European Spallation Source

Jaksch, S.FZJ* ; Martin-Rodriguez, D. ; Ostermann, A. ; Jestin, J. ; Duarte Pinto, S. ; Bouwman, W. G. ; Uher, J. ; Engels, R.FZJ* ; Frielinghaus, H. (Corresponding Author)FZJ*

2014
North-Holland Publ. Co. Amsterdam

Nuclear instruments & methods in physics research / A 762, 22-30 (2014) [10.1016/j.nima.2014.04.024]

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Abstract: A new Small Angle Neutron Scattering instrument is proposed for the European Spallation Source. The pulsed source requires a time-of-flight analysis of the gathered neutrons at the detector. The optimal instrument length is found to be rather large, which allows for a polarizer and a versatile collimation. The polarizer allows for studying magnetic samples and incoherent background subtraction. The wide collimation will host VSANS and SESANS options that increase the resolution of the instrument towards um and tens of um, respectively. Two 1m2 area detectors will cover a large solid angle simultaneously. The expected gains for this new instrument will lie in the range between 20 and 36, depending on the assessment criteria, when compared to up-to-date reactor based instruments. This will open new perspectives for fast kinetics, weakly scattering samples, and multi-dimensional contrast variation studies

Keyword(s): Instrument and Method Development (1st) ; Others (1st) ; Instrument and Method Development (2nd)

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