TY  - JOUR
AU  - Gómez Nicola, Ángel
AU  - Nieves, J.
AU  - Peláez Sagredo, José Ramón
AU  - Ruiz Arriola, E.
PY  - 2000
DO  - 10.1016/S0370-2693(00)00761-9
SN  - 0370-2693
UR  - https://hdl.handle.net/20.500.14352/59585
T2  - Physics  letters B
AB  - We show how the unitarized description of pion nucleon scattering within Heavy Baryon Chiral Perturbation Theory can be considerably improved, by a suitable reordering of the expansion over the nucleon mass. Within this framework, the ∆ resonance and...
LA  - eng
M2  - 77
PB  - Elsevier science
KW  - Nucleon scattering
KW  - Elastic-scattering
KW  - Meson interactions
KW  - One-loop
KW  - Approximation
KW  - Amplitude
KW  - Model
TI  - Improved unitarized Heavy Baryon Chiral Perturbation Theory for π N scattering
TY  - journal article
VL  - 486
ER  -