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arxiv: hep-ph/0607100 · v3 · submitted 2006-07-10 · ✦ hep-ph · hep-lat· nucl-th

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Meson-baryon scattering lengths in HBchiPT

Yan-Rui Liu , Shi-Lin Zhu
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classification ✦ hep-ph hep-latnucl-th
keywords chirallengthsscatteringanalyticalbaryoncalculatecorrectionsexpressions
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We 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$\chi$PT). 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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