期刊
FRONTIERS IN PHYSICS
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fphy.2020.620082
关键词
neutron spin echo; membrane dynamics; phospholipid; neutron scattering; quasielastic scattering; vesicles
资金
- BMBF Project [05K13KT1]
This paper discusses the importance of background correction in neutron spin echo measurements, reviews different methods to subtract the buffer, and studies the impact of small errors in background subtraction on results.
In the large dynamic range of modern neutron spin-echo spectrometers, multiple effects become visible in a single measurement, particularly for vesicles where membrane undulations and translational diffusion affect the intermediate scattering function. The study investigates how considering these factors differently can affect the results obtained from data analysis.
With the constantly improving performance of neutron spin echo (NSE) spectrometers it becomes possible to perform measurements on increasingly complex samples and to study more and more delicate effects. To properly study such effects, proper background correction becomes increasingly important. In this paper, we will review different methods to subtract the buffer from NSE measurements and study the effect of small errors in the subtraction of the background. In the large dynamic range of modern neutron spin-echo spectrometers multiple effects become visible in a single measurement. Specifically, for vesicles both membrane undulations and translational diffusion have an effect on the intermediate scattering function in the NSE time window and here, we will investigate how taking this into account differently affects the results obtained from data analysis.
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