Unified Chew-Mandelstam SAID analysis of pion photoproduction data
classification
✦ hep-ph
hep-exnucl-exnucl-th
keywords
dataphotoproductionbeenchew-mandelstampionsaidunifiedachieved
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A unified description of single-pion photoproduction data, together with pion- and eta-hadroproduction data, has been achieved in a Chew-Mandelstam parametrization which is consistent with unitarity at the two-body level. Energy-dependent and single-energy partial wave analyses of pion photoproduction data have been performed and compared to previous SAID fits and multipoles from the Mainz and Bonn-Gatchina groups.
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