PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Poster
Isospin Breaking Effects in the 2-Flavor Schwinger Model
N. Chreim*, C. Hoelbling, N. Pielmeier and L. Varnhorst
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Pre-published on: February 02, 2023
Published on: April 06, 2023
The automatic fine-tuning of isospin breaking effects by conformal coalescence found by Georgi in the 2-flavor Schwinger model is studied. The analytical results obtained for the bosonic correlators are elaborated and the mass splitting parameter in leading order determined. Numerical investigation of meson mass splitting confirms the exponential suppression of symmetry breaking effects even for mass differences $\delta m$ near the fermion mass $m_f$.
DOI: https://doi.org/10.22323/1.430.0293
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