Multi-hadron-state contamination in nucleon observables from chiral perturbation theory*
Multi-particle states with additional pions are expected to be a non-negligible source of the excited-state contamination in lattice simulations at the physical point. It is shown that baryon chiral perturbation theory (ChPT) can be employed to calculate the contamination due to two-particle nucleon...
Main Author: | Bär Oliver |
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Format: | Article |
Language: | English |
Published: |
EDP Sciences
2018-01-01
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Series: | EPJ Web of Conferences |
Online Access: | https://doi.org/10.1051/epjconf/201817501007 |
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