TY  - JOUR
AU  - Peláez Sagredo, José Ramón
PY  - 2004
DO  - 10.1103/PhysRevLett.92.102001
SN  - 0031-9007
UR  - https://hdl.handle.net/20.500.14352/51735
T2  - Physical review letters
AB  - We show how to obtain information about the states of an effective field theory in terms of the underlying fundamental theory. In particular, we analyze the spectroscopic nature of meson resonances from the meson-meson scattering amplitudes of the QCD...
LA  - eng
PB  - American Physical Society
KW  - Chiral perturbation-theory
KW  - Scattering phase-Shift
KW  - Multi-quark hadrons
KW  - π-π-Scattering
KW  - One-loop
KW  - Sigma
KW  - Unitarization
KW  - Lagrangians
KW  - Resonance
KW  - AmplitudeUnitarization
KW  - Amplitude
TI  - Nature of light scalar mesons from their large N_c behavior
TY  - journal article
VL  - 92
ER  -