D. J. Cecile

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hep-lat2008

Sigma-resonance and convergence of chiral perturbation theory

D. J. Cecile, Shailesh Chandrasekharan

The dimensionless parameter $ξ^{'} = M^{2} / (16 π^{2} F^{2})$ , where $F$ is the pion decay constant in the chiral limit and $M$ is the pion mass at leading order in the quark mass, is expect…

hep-lat2006

Pion physics in two flavor strong coupling lattice QED

D. J. Cecile

We consider the lattice field theory involving two flavors of staggered quarks which interact with $U_{A} (1)$ gauge fields in the strong coupling limit. For massless quarks, this the…