Speaker
Description
The emergence of hadron mass (EHM) represents one of the most challenging and still open problem in the Standard Model. The recent advances toward understanding EHM from the experimental results on the evolution of the nucleon resonance electrocouplings with photon virtuality $Q^2$ available from exclusive meson electroproduction data measured with the CLAS detector at JLab will be presented in this talk. A successful description of the $\Delta(1232)3/2^+$ and $N(1440)1/2^+$ electrocouplings has been achieved within the continuum Schwinger method (CSM) with the same momentum dependence of the dressed quark mass inferred from the QCD Lagrangian as used for the successful description of the pion and nucleon elastic electromagnetic form factors, and the pion PDF. The CSM predictions on the electrocouplings of the $\Delta(1600)3/2^+$ resonance from 2019 have been confirmed by the (still preliminary) experimental results determined from the CLAS $\pi^+ \pi^- p$ electroproduction data at $2.0
