SU(3) prediction of a new Lambda baryon

V. Guzey

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arXiv · hep-ph/0512276

SU(3) prediction of a new Lambda baryon

V. Guzey

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Abstract

Using the approximate flavor SU(3) symmetry of strong interactions, we argue for the existence of a new Lambda baryon with J^P=3/2^-, the mass around 1850 MeV, the total width of about 130 MeV, significant branching into the Sigma πand Sigma^{\ast} πstates and a vanishingly small coupling to the N {\bar K} state. This confirms quark model predictions suggesting a new Lambda baryon in the mass range between 1775 MeV and 1880 MeV with a very small coupling to the N {\bar K} state.

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V. Guzey. 2005-12-21. SU(3) prediction of a new Lambda baryon. https://arxiv.org/abs/hep-ph/0512276

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