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Fitting Effective Field Theory to Ξ-Ξ lattice QCD results

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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2019, Tutor: Joan Soto

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We fit lattice QCD results of baryon-baryon potentials in the strangeness S= -4 sector using the Effective Field Theory (EFT) and show how good this fit is. Next, we estimate some physical parameters associated
to this interaction. These parameters include scattering length and the Ξ axial coupling constant (𝑔A). Finally, we compare our results to One Boson Exchange models

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Fitting Effective Field Theory to Ξ-Ξ lattice QCD results