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Spectroscopic Investigation of Light Strange S=-1 Λ, Sigma and S=-2 Xi Baryons
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Spectroscopic Investigation of Light Strange S=-1 Λ, Sigma and S=-2 Xi Baryons
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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.
Forward citations
Cited by 3 Pith papers
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Observation of a Doubly-strange Hyperon $\Xi(1720)$ in $J/\psi\rightarrow{}K^{-}\Sigma^0\bar{\Xi}^{+}+c.c.$
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}.
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Experimental Advances on Light Baryon Spectroscopy at BESIII Experiment
BESIII reports discoveries of multiple new excited light baryon states from high-statistics data, expanding the known spectrum and supporting non-perturbative QCD studies.
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Experimental Advances on Light Baryon Spectroscopy at BESIII Experiment
BESIII reports discoveries of new excited nucleon, Lambda, Sigma, Xi, and Omega hyperon states from high-statistics electron-positron collision data.
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