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Title Coupled-channel analysis of pion- and eta-electroproduction with the Julich-Bonn-Washington model
Authors Maxim Mai,Michael Doring,Carlos Granados,Helmut Haberzettl,Ulf-G. Meissner,D. Ronchen,Igor Strakovsky,Ron Workman,J. Hergenrather
JLAB number JLAB-THY-21-3524
LANL number arXiv:2111.04774
Other number DOE/OR/23177-5356
Document Type(s) (Journal Article) 
Associated with EIC: No
Supported by Jefferson Lab LDRD Funding: No
Funding Source: Nuclear Physics (NP)
Other Funding:DE-SC0016582

Compiled for arXiv
Publication Abstract: Pion and eta electroproduction data are jointly analyzed for the first time, up to a center-of-massenergy of 1.6 GeV. The framework is a dynamical coupled-channel model, based on the recent Julich-Bonn-Washington analysis of pion electroproduction data for the same energy range. Comparisons are made to a number of single-channel eta electroproduction fits. By comparing multipoles of comparable fit quality, we find some of these amplitudes are well determined over the near-threshold region, while others will require fits over an extended energy range.
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