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A holographic bottom-up approach to $\Sigma$ baryons
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abstract
In this work, we discuss the description of neutral $\Sigma$ baryons with $I(J^P)=1(1/2^+)$ and $I(J^P)=1(3/2^+)$ using two bottom-up approaches: the deformed background and the static dilaton. In both models, we consider a non-linear Regge trajectory extension motivated by the \emph{strange} nature that $\Sigma$ baryons have. We found that both models describe these systems with an RMS error smaller than 10 $\%$. We also perform a configurational entropy calculation in both models to discuss hadronic stability.
Forward citations
Cited by 3 Pith papers
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Confining potential in holographic bottom-up QCD from WKB
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Nucleon spectra and wave functions from holographic models with dual Einstein-dilaton and Starobinsky-dilaton gravities
Adding a fitted λ parameter and Starobinsky αR² corrections lets holographic Einstein-dilaton models reproduce the nucleon radial-excitation spectrum with errors as low as 0.29%.
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Digit anomalies in the hadronic mass spectrum, classical and quantum information entropies, and the dynamical QCD scale
The first digits of PDG hadron masses deviate strongly from Benford's law, and the paper reads the resulting Shannon-entropy deficit as a signature of Lambda_QCD.
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