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 provide a brief history to remind the readers how development progressed. Sure, history is sometimes what never happened, described by those who were never there … Abstract Published by the Jagiellonian University 2026 authors
Fields of Study & Subjects
Quantum Chromodynamics and Particle Interactions
Nuclear physics research studies
Particle physics theoretical and experimental studies
Publication details
- Journal / source
- Acta Physica Polonica B
- Volume
- 57
- Issue
- 2
- Pages
- 1–1
- Publication date
- 10 February 2026
- Language
- EN