Inclusion of KΛ electroproduction data in a coupled channel analysis

M. Mai, J. Hergenrather, M. Döring, T. Mart, Ulf G. Meißner, D. Rönchen, R. Workman

Research output: Contribution to journalArticlepeer-review


Exclusive electroproduction reactions provide an access to the structure of excited baryons. To extract electroproduction multipoles encoding this information, the Jülich–Bonn–Washington (JBW) analysis framework is extended to the analysis of differential cross sections in KΛ electroproduction. This update enlarges the scope of previous coupled-channel analyses of pions and eta mesons, with photoproduction reactions as boundary condition in all analyzed electroproduction reactions. Polarization observables are predicted and compared to recent CLAS data. The comparison shows the relevance of these data to pin down baryon properties.

Original languageEnglish
Article number286
JournalEuropean Physical Journal A
Issue number12
Publication statusPublished - Dec 2023


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