Analyticity Constraints for Hadron Amplitudes: Going High to Heal Low Energy Issues. JPAC Collaboration, Mathieu, V., Nys, J., Pilloni, A., Fernández-Ramírez, C., Jackura, A., Mikhasenko, M., Pauk, V., Szczepaniak, A., P., & Fox, G. 2017. Website abstract bibtex Analyticity constitutes a rigid constraint on hadron scattering amplitudes. This property is used to relate models in different energy regimes. Using meson photoproduction as a benchmark, we show how to test contemporary low energy models directly against high energy data. This method pinpoints deficiencies of the models and treads a path to further improvement. The implementation of this technique enables one to produce more stable and reliable partial waves for future use in hadron spectroscopy and new physics searches.
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title = {Analyticity Constraints for Hadron Amplitudes: Going High to Heal Low Energy Issues},
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abstract = {Analyticity constitutes a rigid constraint on hadron scattering amplitudes. This property is used to relate models in different energy regimes. Using meson photoproduction as a benchmark, we show how to test contemporary low energy models directly against high energy data. This method pinpoints deficiencies of the models and treads a path to further improvement. The implementation of this technique enables one to produce more stable and reliable partial waves for future use in hadron spectroscopy and new physics searches.},
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