Recent progress on Labfit: A multispectrum analysis program for fitting lineshapes including the HTP model and temperature dependence
Cich, Matthew J.
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https://hdl.handle.net/2142/96918
Description
Title
Recent progress on Labfit: A multispectrum analysis program for fitting lineshapes including the HTP model and temperature dependence
Author(s)
Cich, Matthew J.
Contributor(s)
Benner, D. Chris
Drouin, Brian
Guillaume, Alexandre
Issue Date
2017-06-21
Keyword(s)
Lineshapes
Collisional effects
Abstract
Multispectrum analysis can be a challenge for a variety of reasons. It can be computationally intensive to fit a proper line shape model especially for high resolution experimental data. Band-wide analyses including many transitions along with interactions, across many pressures and temperatures are essential to accurately model, for example, atmospherically relevant systems. Labfit is a fast multispectrum analysis program originally developed by D. Chris Benner with a text-based interface. More recently at JPL a graphical user interface was developed with the goal of increasing the ease of use but also the number of potential users. The HTP lineshape model has been added to Labfit keeping it up-to-date with community standards. Recent analyses using labfit will be shown to demonstrate its ability to competently handle large experimental datasets, including high order lineshape effects, that are otherwise unmanageable.
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