Partial Wave Analysis using Graphics Cards

Details Partial Wave Analysis using Graphics Cards Partial Wave Analysis using Graphics Cards

2011-08-30

arxiv.org/abs/1108.5882v1

Physics

Data Analysis, Statistics and Probability

7 pages, proceedings of Hadron 2011, Munich

Scientific paper

Partial wave analysis is a key technique in hadron spectroscopy. The use of unbinned likelihood fits on large statistics data samples and ever more complex physics models makes this analysis technique computationally very expensive. Parallel computing techniques, in particular the use of graphics processing units, are a powerful means to speed up analyses; in the contexts of the BES III, Compass and GlueX experiments, parallel analysis frameworks have been created. They provide both fits that are faster by more than two orders of magnitude than legacy code and environments to quickly program and run an analysis. This in turn allows the physicists to focus on the many difficult open problems pertaining to partial wave analysis.

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