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Astrophysics Equation of State Inference with Bayesian Chiral Effective Field Theory Uncertainties

  • Authors: Melissa Mendes, Hannah Göttling, Anna Hensel, Isak Svensson, Kai Hebeler, Achim Schwenk, Nathan Rutherford, Anna Watts

Melissa Mendes et al 2026 The Astrophysical Journal 1008 .

  • Provider: AAS Journals

Caption: Figure 7.

Prior (dashed lines) and posterior distributions (filled contours) for the pressure at 1, 1.5, 2, 3, and 4ε0 with Bayesian χEFT uncertainties up to 1.5n0 with pQCD extensions (GP-N3LO) versus uniformly sampled (N3LO) for the PP extension (left panel) and CS extension (middle panel) and a comparison between PP and CS extensions for GP-N3LO (right panel).

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