Berlin 2012 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 26: Poster: New Perspectives of Scattering at Soft Matter
CPP 26.8: Poster
Mittwoch, 28. März 2012, 11:00–13:00, Poster A
Conceptual design for a small angle neutron scattering instrument at a long pulse source — •Damian Martin Rodriguez1, Henrich Frielinghaus2, and Dieter Richter1 — 1ICS and JCNS, Forschungszentrum Juelich GmbH, 52425 Juelich, Germany — 2JCNS outstation FRM2, Forschngszentrum Juelich GmbH, Lichtenbergstr. 1, 85747 Garching, Germany
Within the European Spallation Source (ESS) Design Update Programme we are studying several concepts for a time of flight small angle neutron scattering (TOF-SANS) instrument for a long pulse source, i.e. the ESS in Lund. The favourite concept aims at samples of 1 x 1 cm2 area, which is directly connected with a 10 + 10 m. long SANS instrument or even longer. For a large spanned Q range we propose the use of at least two detectors at different distances. So for one-shot kinetic experiments the classical SANS Q-range can be covered. These initial considerations lead to a simple instrument with little compromises. Extensions for this basic set-up are considered as add-ons, like focussing optics, size changing slits or polarising elements.
The overall design will serve nearly all possible topics for the future research need for the SANS users around Europe.