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hep-ph2025
Pion photoproduction of nucleon excited states with Hamiltonian effective field theory
Yu Zhuge, Dan Guo, Zhan-Wei Liu +2
Over the past few years, Hamiltonian effective field theory has been successfully applied to studies of nucleon and hyperon excited states. By discretizing the Hamiltonian in a fin…
hep-ph2025
Nucleon resonance structure to 2 GeV and the nature of the Roper
Shiryo Owa, Derek B. Leinweber, Anthony W. Thomas
The study of the spectrum of excited states of the nucleon is vital to our understanding of how QCD is realized in the baryon spectrum. Using a simultaneous analysis of the pion nu…