TY - RPRT TI - The Roper Resonance and Kin AU - Burkert, Volker [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)] (ORCID:0000000347470838) AU - Klempt, Eberhard [Univ. of Bonn (Germany). Helmholtz Institute for Radiation and Nuclear Physics (HISKP); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)] (ORCID:0000000341799405) PY - 2026 DO - 10.5506/aphyspolb.57.2-a4 UR - https://www.osti.gov/biblio/3022301 ID - 3022301 ER -