A pedagogical review of S-matrix theory and amplitude parametrizations for defining and extracting resonance parameters in hadron spectroscopy.
Remark on the effective range approach to the f_0-a_0 mesons
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
abstract
Discussion of apparently simple issues related to the resonance close to threshold may lead to misleading results. We clarify some subtle points, in particular the relation between Breit-Wigner and effective range approaches to the f_0-a_0 mesons.
citation-role summary
background 1
citation-polarity summary
fields
hep-ph 1years
2025 1verdicts
ACCEPT 1roles
background 1polarities
background 1representative citing papers
citing papers explorer
-
Theory of resonances
A pedagogical review of S-matrix theory and amplitude parametrizations for defining and extracting resonance parameters in hadron spectroscopy.