What question did this study set out to answer?

To derive a new effective gravitational coupling and illustrate its implications for neutron star properties.

March 24, 2026Open Access

CCEGA Paper 16: Threshold Gravity and the Decoupling of Tidal Deformability from Maximum Mass

Puntos clave

To derive a new effective gravitational coupling and illustrate its implications for neutron star properties.
Derived power-law effective coupling from Sen tachyon Lagrangian
Identified a critical density threshold for decoupling of properties
Applied predictions to neutron stars including PSR J0952−0607
Introduced a hard density threshold at ρ_c, decoupling tidal deformability from maximum mass
Predicted Λ(1.4M☉) equal to Λ_GR, supporting current models
Estimated maximum mass M_max at 2.357M☉, consistent with observed neutron star PSR J0952−0607 at 0.06σ

Resumen

Derives the power-law effective coupling Gₑff = G (ρc/ρ) ^2/3 from the Sen tachyon Lagrangian L ∝ φ^1/2 identified in Paper 13. Shows that this form introduces a hard density threshold at ρc, decoupling tidal deformability from maximum mass — a combination forbidden in GR. For ρc ≃ 7ρₙuc, CCEGA predicts Λ (1. 4M☉) = ΛGR while Mₘax = 2. 357M☉, consistent with PSR J0952−0607 at 0. 06σ. First CCEGA prediction falsifiable before 2035. Keywords: neutron stars, effective gravitational coupling, tidal deformability, maximum mass, Sen tachyon, extra dimensions, CCEGA, PSR J0952-0607

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