TY  - JOUR
AU  - Gómez Nicola, Ángel
AU  - Nieves, J.
AU  - Peláez Sagredo, José Ramón
AU  - Ruiz Arriola, E.
PY  - 2004
DO  - 10.1103/PhysRevD.69.076007
SN  - 0556-2821
UR  - https://hdl.handle.net/20.500.14352/51400
T2  - Physical review D
AB  - We extend our previous analysis of the unitarized pion-nucleon scattering amplitude including up to fourth order terms in heavy baryon chiral perturbation theory. We pay special attention to the stability of the generated Delta(1232) resonance, the...
LA  - spa
PB  - American Physical Society
KW  - Nucleon scattering
TI  - Improved unitarized heavy baryon chiral perturbation theory for π N scattering to fourth order
TY  - journal article
VL  - 69
ER  -