Journal
PHYSICAL REVIEW D
Volume 65, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.65.054031
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Chiral logarithms in in m(pi)(2) are calculated at one loop, taking into account the leading contributions to flavor symmetry breaking due to staggered fermions. I treat both the full QCD case (2 + 1 light dynamical flavors) and the quenched case; finite volume corrections are included. My starting point is the effective chiral Lagrangian introduced by Lee and Sharpe, It is necessary to understand the one-loop diagrams in the quark flow picture in order to adjust the calculation to correspond to the desired number of dynamical quarks.
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