Decuplet contribution to the meson-baryon scattering lengths

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dc.creatorLiu, Yan-Rui
dc.creatorZhu, Shi-Lin
dc.date2007-02-24
dc.date2007-07-23
dc.date.accessioned2026-07-07T11:22:40Z
dc.date.available2026-07-07T11:22:40Z
dc.descriptionWe calculate decuplet contributions to the s-wave pseudoscalar meson octet-baryon scattering lengths to the third order in heavy baryon chiral perturbation theory (HB$χ$PT). Using experimental pion-nucleon and kaon-nucleon scattering lengths as inputs, we determine low-energy constants and predict other meson-baryon scattering lengths. Numerically we consider three cases: (1) the case with only baryon octet contributions; (2) with decuplet contributions and (3) in the large N_c limit. Hopefully, the analytical expressions and the predictions are helpful to future investigations of the meson-baryon scattering lengths.
dc.description11 pages, 1 figure, 9 tables
dc.identifierhttps://arxiv.org/abs/hep-ph/0702246
dc.identifierhttp://arxiv.org/abs/hep-ph/0702246
dc.identifierEur.Phys.J.C52:177-186,2007
dc.identifierdoi:10.1140/epjc/s10052-007-0348-x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194648
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Lattice
dc.subjectNuclear Theory
dc.titleDecuplet contribution to the meson-baryon scattering lengths
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