Anatomy of Roper Resonance
Abstract
Sixty years ago, the first excited state of a proton/neutron was ``born.'' During this time, we learned a lot about it, specifically - how unique this case is: a single resonance with two pole positions on different Riemann sheets. Let me present a brief history to remind readers how development progressed. Sure, history is sometimes something that never happened, described by those who were never there...
Fields of Study & Subjects
Quantum and Classical Electrodynamics
Fusion and Plasma Physics Studies
Quantum chaos and dynamical systems
Publication details
- Journal / source
- arXiv (Cornell University)
- Publication date
- 6 January 2026
- Document type
- Preprint