2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176424We calculate the chiral corrections to the s-wave pseudoscalar meson octet-baryon scattering lengths $a_{MB}$ to ${\cal O}(p^3)$ in the SU(3) heavy baryon chiral perturbation theory (HB$χ$PT). Hopefully the obtained analytical expressions will be helpful in the chiral extrapolation of these scattering lengths in the future lattice simulation.14 pages, 1 figure, 7 tablesHigh Energy Physics - PhenomenologyHigh Energy Physics - LatticeNuclear TheoryMeson-baryon scattering lengths in HB$χ$PTtext