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arxiv: 1212.2032 · v2 · submitted 2012-12-10 · ✦ hep-lat · hep-ph

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Low-lying Lambda Baryons from the Lattice

Georg P. Engel , C. B. Lang , Andreas Sch\"afer
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classification ✦ hep-lat hep-ph
keywords lambdalatticestateamountanalyzebaryonbaryonscalculation
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In a lattice QCD calculation with two light dynamical Chirally Improved (CI) quarks we determine ground state and some excited state masses in all four Lambda baryon channels 1/2^\pm and 3/2^\pm. We perform an infinite volume extrapolation and confirm the widely discussed Lambda(1405). We also analyze the amount of octet-singlet mixing, which is helpful in comparing states with the quark model.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. The Lambda 1405 at the $SU(3)$ point in lattice QCD

    hep-lat 2026-02 unverdicted novelty 7.0

    Lattice QCD at the SU(3) symmetric point extracts energy levels for singlet and octet baryon-meson channels to inform the two-pole structure of Lambda(1405).