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Chiral perturbation theory and nucleon–pion-state contaminations in lattice QCD

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Multiparticle states with additional pions are expected to be a non-negligible source of excited-state contamination in lattice simulations at the physical point. It is shown that baryon chiral per... Click to show full abstract

Multiparticle states with additional pions are expected to be a non-negligible source of excited-state contamination in lattice simulations at the physical point. It is shown that baryon chiral per...

Keywords: state; perturbation theory; theory nucleon; nucleon pion; pion state; chiral perturbation

Journal Title: International Journal of Modern Physics A
Year Published: 2017

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