Journal Article

FZJ-2023-04543

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The human factor: results of a small-angle scattering data analysis round robin

Pauw, B. R. (Corresponding author) ; Smales, G. J. ; Anker, A. S. ; Annadurai, V. ; Balazs, D. M. ; Bienert, R. ; Bouwman, W. G. ; Breßler, I. ; Breternitz, J. ; Brok, E. S. ; Bryant, G. ; Clulow, A. J. ; Crater, E. R. ; De Geuser, F. ; Del Giudice, A. ; Deumer, J. ; Disch, S. ; Dutt, S. ; Frank, K. ; Fratini, E. ; Garcia, P. R. A. F. ; Gilbert, E. P. ; Hahn, M. B. ; Hallett, J. ; Hohenschutz, M. ; Hollamby, M. ; Huband, S. ; Ilavsky, J. ; Jochum, J. K. ; Juelsholt, M. ; Mansel, B. W. ; Penttilä, P. ; Pittkowski, R. K. ; Portale, G. ; Pozzo, L. D. ; Rochels, L. ; Rosalie, J. M. ; Saloga, P. E. J. ; Seibt, S. ; Smith, A. J. ; Smith, G. N. ; Spiering, G. A. ; Stawski, T. M. ; Taché, O. ; Thünemann, A. F. ; Toth, K. ; Whitten, A. E. ; Wuttke, J.FZJ*

2023
Wiley-Blackwell [Erscheinungsort nicht ermittelbar]

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Please use a persistent id in citations: doi:10.1107/S1600576723008324  doi:10.34734/FZJ-2023-04543

Abstract: A round-robin study has been carried out to estimate the impact of the humanelement in small-angle scattering data analysis. Four corrected datasets wereprovided to participants ready for analysis. All datasets were measured onsamples containing spherical scatterers, with two datasets in dilute dispersionsand two from powders. Most of the 46 participants correctly identified thenumber of populations in the dilute dispersions, with half of the populationmean entries within 1.5% and half of the population width entries within 40%.Due to the added complexity of the structure factor, far fewer people submittedanswers on the powder datasets. For those that did, half of the entries for themeans and widths were within 44 and 86%, respectively. This round-robinexperiment highlights several causes for the discrepancies, for which solutionsare proposed.

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

Note: open access

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Contributing Institute(s):

1. JCNS-FRM-II (JCNS-FRM-II)
2. JCNS-4 (JCNS-4)
3. Heinz Maier-Leibnitz Zentrum (MLZ)

Research Program(s):

1. 6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ) (POF4-6G4) (POF4-6G4)
2. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2023

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Wiley ; Ebsco Academic Search ; Essential Science Indicators ; IF >= 5 ; JCR ; Nationallizenz ; PubMed Central ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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