Journal Article

FZJ-2017-07008

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png No case against scattering theory

Wuttke, J. (Corresponding author)FZJ*

2017
National Acad. of Sciences Washington, DC

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Please use a persistent id in citations: http://hdl.handle.net/2128/15802  doi:10.1073/pnas.1710583114

Abstract: In a series of papers, Frauenfelder et al. (1⇓–3) propose a radical reinterpretation of incoherent neutron scattering by complex systems, specifically by protein hydration water, drawing into doubt the “currently accepted model, used for >50 y” (3). Under this model they subsume not only assumptions about the scattering target (sample) but also the theory that connects sample and scattering signal. Effectively, they attack the insight (4) that the dynamic structure factor S(q,ω) (which they incorrectly call “the scattering intensity”) abstracts from scattering kinematics and depends only on nuclear position operators acting on the sample. They claim that the established theory …

Keyword(s): Instrument and Method Development (1st) ; Instrument and Method Development (2nd) ; Soft Condensed Matter (2nd)

Note: Letter

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Contributing Institute(s):

1. JCNS-FRM-II (JCNS (München) ; Jülich Centre for Neutron Science JCNS (München) ; JCNS-FRM-II)

Research Program(s):

1. 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623) (POF3-623)
2. 6G15 - FRM II / MLZ (POF3-6G15) (POF3-6G15)
3. 6215 - Soft Matter, Health and Life Sciences (POF3-621) (POF3-621)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2017

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