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Spectroscopic Investigation of Light Strange S=-1 Λ, Sigma and S=-2 Xi Baryons

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arxiv 2104.00439 v1 pith:D5OC7W4Z submitted 2021-04-01 hep-ph

Spectroscopic Investigation of Light Strange S=-1 Λ, Sigma and S=-2 Xi Baryons

classification hep-ph
keywords beenfracalongcalculatedfirstlambdamagneticmasses
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The present study is dedicated to light-strange $\Lambda$ with strangeness S=-1, isospin I=0; $\Sigma$ with S=-1, I=1 and $\Xi$ baryon with S=-2 and $I=\frac{1}{2}$. In this article, hypercentral Constituent Quark Model with linear confining potential has been employed along with first order correction term to obtain the resonance masses for nearly upto 4 GeV. The calculated states include 1S-5S, 1P-4P, 1D-3D, 1F-2F and 1G (in few case) along with all the possible spin-parity assignments. Regge Trajectories have been explored for the linearly of the calculated masses for $(n,M^{2})$ and $(J,M^{2})$ respectively. Magnetic moments have been intensively studied for ground state spin $\frac{1}{2}$ and $\frac{3}{2}$, in addition to the configuration mixing for first negative parity state for $\Xi$. Lastly, transition magnetic moment and radiative decay width have been presented.

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Cited by 3 Pith papers

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

  1. Observation of a Doubly-strange Hyperon $\Xi(1720)$ in $J/\psi\rightarrow{}K^{-}\Sigma^0\bar{\Xi}^{+}+c.c.$

    hep-ex 2026-04 conditional novelty 8.0

    BESIII observes a new Ξ(1720) hyperon with J^P = 3/2+ in J/ψ → K− Σ0 Ξ̄+ decays at >10σ significance, mass 1721 MeV/c², width 31 MeV, and branching fraction 2.68×10^{-5}.

  2. Experimental Advances on Light Baryon Spectroscopy at BESIII Experiment

    hep-ex 2026-03 unverdicted novelty 5.0

    BESIII reports discoveries of multiple new excited light baryon states from high-statistics data, expanding the known spectrum and supporting non-perturbative QCD studies.

  3. Experimental Advances on Light Baryon Spectroscopy at BESIII Experiment

    hep-ex 2026-03 unverdicted novelty 4.0

    BESIII reports discoveries of new excited nucleon, Lambda, Sigma, Xi, and Omega hyperon states from high-statistics electron-positron collision data.