Meson-baryon scattering lengths in HBχPT
Yan-Rui Liu, Shi-Lin Zhu
Abstract
We calculate the chiral corrections to the s-wave pseudoscalar meson octet-baryon scattering lengths aMB to O(p3) in the SU(3) heavy baryon chiral perturbation theory (HBχPT). Hopefully the obtained analytical expressions will be helpful in the chiral extrapolation of these scattering lengths in the future lattice simulation.
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