Journal
PHYSICAL REVIEW D
Volume 87, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.054021
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Funding
- Deutsche Forschungsgemeinschaft [SFB/Transregio 55]
- European Union [256594]
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We analyze lattice data for octet baryon masses from the QCDSF Collaboration employing manifestly covariant baryon chiral perturbation theory. It is shown that certain combinations of low-energy constants can be fixed more accurately than before from this data. We also examine the impact of this analysis on the pion-nucleon sigma term and on the convergence properties of baryon mass expansions in the SU(3) symmetry limit. DOI: 10.1103/PhysRevD.87.054021
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