TY  - JOUR
AU  - Peláez Sagredo, José Ramón
AU  - Ynduráin, F. J.
PY  - 2003
DO  - 10.1103/PhysRevD.68.074005
SN  - 0556-2821
UR  - https://hdl.handle.net/20.500.14352/51737
T2  - Physical review D
AB  - We calculate the combination 2a⁰_(0)-5a₀(^2) (the Olsson sum rule) and the scattering lengths and effective ranges a₁,a₂^(2) and b₁,b₂^(I) dispersively (with the Froissart-Gribov representation) using, at low energy, the phase shifts for π π...
LA  - eng
PB  - Amer Physical Soc
KW  - Phase-shift analysis
KW  - Cross sections
KW  - Gev-c
KW  - Construction
KW  - Parameters
KW  - Unitarity
KW  - Amplitude
KW  - Existence
KW  - Equation
KW  - π&π
TI  - Precision of chiral-dispersive calculations of π π scattering
TY  - journal article
VL  - 68
ER  -