Abstract
We discuss how to formulate a staggered chiral perturbation theory (SXPT). This amounts to a generalization of the Lee-Sharpe Lagrangian to include more than one flavor ( i. e. , multiple staggered fields), which turns out to be nontrivial. One loop corrections to pion and kaon masses and decay constants are computed as examples in three cases: the quenched, partially quenched, and full (unquenched) case. The results for the one loop mass and decay constant corrections have already been presented in Ref. [1].
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