scholarly journals Chiral extrapolation of pion-pion scattering phase shifts within standard and unitarized Chiral Perturbation Theory

2011 ◽  
Vol 83 (9) ◽  
Author(s):  
J. Nebreda ◽  
J. R. Peláez ◽  
G. Ríos
Keyword(s):  
Perturbation Theory ◽  
Chiral Perturbation Theory ◽  
Phase Shifts ◽  
Chiral Perturbation ◽  
Chiral Extrapolation ◽  
Pion Scattering ◽  
Scattering Phase ◽  
Scattering Phase Shifts

scholarly journals Unitarized chiral perturbation theory for elastic pion-pion scattering

1990 ◽  
Vol 235 (1-2) ◽  
pp. 134-140 ◽  
Author(s):  
A. Dobado ◽  
Maria J. Herrero ◽  
Tran N. Truong
Keyword(s):  
Perturbation Theory ◽  
Chiral Perturbation Theory ◽  
Chiral Perturbation ◽  
Pion Scattering

scholarly journals I=2 PION SCATTERING LENGTH WITH IMPROVED ACTIONS ON ANISOTROPIC LATTICES

2004 ◽  
Vol 19 (32) ◽  
pp. 5609-5614 ◽  
Author(s):  
XINING DU ◽  
GUANGWEI MENG ◽  
CHUAN MIAO ◽  
CHUAN LIU
Keyword(s):  
Perturbation Theory ◽  
Chiral Perturbation Theory ◽  
Continuum Limit ◽  
Scattering Length ◽  
Infinite Volume ◽  
Chiral Perturbation ◽  
Wilson Fermion ◽  
Pion Scattering ◽  
Anisotropic Lattices ◽  
Lattice Calculations

ππ scattering length in the I=2 channel is calculated within quenched approximation using improved gauge and improved Wilson fermion actions on anisotropic lattices. The results are extrapolated towards the chiral, infinite volume and continuum limit. This result improves our previous result on the scattering length. In the chiral, infinite volume and continuum limit, we obtain [Formula: see text], which is consistent with the result from Chiral Perturbation Theory, the experiment and results from other lattice calculations.

Kaon-pion low energy phase shifts from chiral perturbation theory

1997 ◽  
Vol 412 (3-4) ◽  
pp. 389-395 ◽  
Author(s):  
J. SáBorges ◽  
J. Soares Barbosa ◽  
V. Oguri
Keyword(s):  
Perturbation Theory ◽  
Chiral Perturbation Theory ◽  
Phase Shifts ◽  
Low Energy ◽  
Chiral Perturbation
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