Pole versus Breit-Wigner resonance description of the orbitally excited baryons

1998/11/30 by Ron L. Workman, R. L. Workman · 5 citations
Physics and Astronomy · #Baryon #Context (archaeology) #Excited state #Geography #High-Energy Particle Collisions Research #Matrix (chemical analysis) #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Resonance (particle physics) #nucl-th

paper · pdf · doi:10.1103/physrevc.59.3441

published in Physical Review C 59(6), 3441-3443 (American Institute of Physics) · 6 pages of text. No figures. Revised to include further comparisons, as suggested by the referee

arxiv created 1999/02/09 · openalex publication_date 1999/06/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We consider the masses used in recent studies involving the nonstrange sector of the l=1 baryons. The use of T-matrix and K-matrix poles versus the conventional Breit-Wigner masses is discussed within the context of a large-N_c fitting scheme.

Citations

• Vector meson dominance and the ρ meson
• Differences between the Pole and On-Shell Masses and Widths of the Higgs Boson
• Photoproduction ofl=1baryons: Quark model versus largeNcQCD

Cited by

• Resolution of the multichannel anomaly in the extraction of S-matrix resonance-pole parameters