PoS - Proceedings of Science
Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Hadron Spectroscopy and Interactions
Hadron-Hadron Interactions from $N_f = 2 + 1 + 1$ Lattice QCD: $\pi-K$ scattering length
F. Pittler
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Published on: May 29, 2019
Abstract
In this proceeding we perform a separate chiral and continuum extrapolation of the scattering length for the $\pi-K$ scattering in the maximal isospin channel $I_3=\frac{3}{2}$. In order to verify our approach, we extrapolate separately the meson parameters (pion mass and decay constants, eta mass) to the physical point. Our approach uses a minimal set of input parameters in the extrapolation and is an alternative to the combined chiral and continuum extrapolation. We compare the extrapolated scattering lengths with our already published results.
DOI: https://doi.org/10.22323/1.334.0072
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