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We present a study of the pseudoscalar propagator in the mixed chiral regimewith valence quark masses in the \epsilon-regime and sea quark masses in thep-regime. We first show the NNLO prediction of this observable in the chiralexpansion. In sectors of fixed topology, the correlator has a pole in 1/m_v^2that can be matched to the topological zero-mode contributions to thecorrelator. We compute the residue of this pole in a N_f=2 mixed-actionsimulation and compare the results with the prediction in Chiral PerturbationTheory.

N_f=2 chiral dynamics in the mixed chiral regime