NLTE lithium study of VMP/EMP stars finds Spite Plateau with positive slope extending to low metallicity without meltdown and a lithium plateau at A(Li)=1.13 in LRGB stars.
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MESA grid models find HD 20794 is a 0.80 solar-mass star aged ~9 Gyr whose observed abundances match core-collapse supernova enrichment and are preserved over Gyr timescales.
Generalizing entropy from e+e- annihilation with Tsallis statistics for pairs only leads to a 2σ bound of |q-1| ≤ 1.3×10^{-2} from CMB+BAO+BBN data.
citing papers explorer
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A Systematic NLTE Study of Very Metal-Poor Stars with Metallicity Down to $-4.3$ dex. II. Lithium Abundance and New Insight to the Lithium Plateau
NLTE lithium study of VMP/EMP stars finds Spite Plateau with positive slope extending to low metallicity without meltdown and a lithium plateau at A(Li)=1.13 in LRGB stars.
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A Theoretical Study of the Structure and Elemental Abundances of HD 20794
MESA grid models find HD 20794 is a 0.80 solar-mass star aged ~9 Gyr whose observed abundances match core-collapse supernova enrichment and are preserved over Gyr timescales.
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Constraining Tsallis Corrections to Photon Reheating from Electron-Positron Annihilation
Generalizing entropy from e+e- annihilation with Tsallis statistics for pairs only leads to a 2σ bound of |q-1| ≤ 1.3×10^{-2} from CMB+BAO+BBN data.