PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Hadron Spectroscopy and Interactions
The I=1/2 and 3/2 K-𝜋 scattering length with domain wall fermions at physical pion mass with all-to-all propagators
N. Asmussen, F. Erben, J. Flynn, A. Jüttner, R. Mukherjee* and C. Sachrajda
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Pre-published on: January 26, 2023
Published on: April 06, 2023
We present our calculations for the 𝐼 = 1/2 and 3/2 K-𝜋 s-wave scattering length with physical quark masses, extracted from the interaction energy of Euclidean two-point functions. We use the domain wall fermion action with physical quark masses at a single lattice spacing. We are specifically interested in the systematic effects due to around-the-world terms on the overall determination of the scattering length. We present our progress and discuss the various systematic effects in our preliminary results.
DOI: https://doi.org/10.22323/1.430.0069
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