No Dark Matter Particle: Sector Exhaustion Theorem
The Sector Exhaustion Theorem proves no additional sector can be added, therefore no dark matter particle exists.
Overview
V.P69 (No Dark Particle Theorem) follows from Sector Exhaustion: the four primitive sectors (D=gravity, A=weak, B=EM, C=strong) plus one derived sector (ω=Higgs) exhaust all structural positions in Category τ. No additional sector can be added. Therefore no dark matter particle — which would require a new sector — exists. Galactic rotation curves are explained instead by the capacity gradient mechanism (V.T85).
Detail
Dark matter is the primary unexplained component of the standard cosmological model: about 27% of the universe’s energy density is attributed to a non-luminous, non-baryonic particle that has never been detected directly. Book V proves that no such particle can exist within Category τ. The proof uses Sector Exhaustion: the Canonical Ladder (III.T04) establishes exactly four enrichment levels E₀–E₃. At E₁, the sector template has exactly five positions (four primitive + one derived), as established by the No Knobs Theorem (III.T42) and the Hinge Theorem (III.T41). Sector Exhaustion (V.P69) proves that all five positions are occupied by the known forces/particles and no additional position can be created without either creating an E₄ (ruled out by Saturation, VII.T06) or violating the Minimal Alphabet Theorem (I.T11). Therefore any proposed dark matter particle, which would require a new sector position, is structurally impossible. Galactic rotation curves, lensing, and CMB power spectrum anomalies — conventionally attributed to dark matter — are instead explained by the capacity gradient mechanism (rotation curves, V.T85) and the τ-Einstein metric (lensing, V.T210).
Result Statement
V.P69: The No Dark Particle Theorem follows from Sector Exhaustion — the four primitive sectors (D, A, B, C) + one derived (ω) exhaust all structural positions. No additional sector can be added. Therefore no dark matter particle exists.