I=2 pion scattering length with the parametrized fixed point action
K. J. Juge (for the BGR Collaboration)
TL;DR
This paper presents a calculation of the I=2 pion-pion scattering length using a parametrized fixed point action, achieving pion masses of 320 MeV in a quenched approximation.
Contribution
It introduces a novel application of the parametrized fixed point action to compute the pion scattering length in the I=2 channel.
Findings
Scattering length computed at pion mass of 320 MeV
Demonstrates feasibility of fixed point action in quenched calculations
Provides data for pion-pion interactions in lattice QCD
Abstract
We report on the pion-pion scattering length in the I=2 channel using the parametrized fixed point action. Pion masses of 320 MeV were reached in this quenched calculation of the scattering length.
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