Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 847, Issue -, Pages 111-116Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2016.11.050
Keywords
Nuclear forward scattering; Data evaluation; In-situ experiments; Crystallization; Chemical reaction
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Funding
- internal IGA grant of Palacky University [IGA_PrF_2016_022]
- project GACR [14-12449S]
- [VEGA 1/0182/16]
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This study introduces a sequential fitting procedure as a specific approach to nuclear forward scattering (NFS) data evaluation. Principles and usage of this advanced evaluation method are described in details and its utilization is demonstrated on NFS in-situ investigations of fast processes. Such experiments frequently consist of hundreds of time spectra which need to be evaluated. The introduced procedure allows the analysis of these experiments and significantly decreases the time needed for the data evaluation. The key contributions of the study are the sequential use of the output fitting parameters of a previous data set as the input parameters for the next data set and the model suitability crosscheck option of applying the procedure in ascending and descending directions of the data sets. Described fitting methodology is beneficial for checking of model validity and reliability of obtained results.
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