Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-03-23
Phys.Lett.B678:65-71,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, 1 figure
Scientific paper
10.1016/j.physletb.2009.05.068
We analyze isospin breaking through quark mass differences and virtual
photons in the pion-nucleon scattering lengths in all physical channels in the
framework of covariant baryon chiral perturbation theory.
Hoferichter Martin
Kubis Bastian
Meißner Ulf-G.
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