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Published March 24, 2026 | Version v39
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Unified Substrate Theory: Nuclear Sector — Binding, Magic Numbers, Stability, Alpha Decay, Beta Decay, Fission, and Synthetic Nuclei from Five Constants

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  OVERVIEW

 

This record contains the complete nuclear sector of the Unified Substrate Theory (UST) — seven papers deriving nuclear binding, magic numbers, the valley of stability, alpha decay, beta decay, fission, and synthetic nucleus analysis entirely from five Lagrangian constants fixed by fitting galaxy rotation curves. No empirical nuclear parameters, no liquid drop coefficients, no fitted shell corrections. Zero free parameters throughout.

 

The structural backbone of all seven papers is a single coordination number:

 

  n_ref = N_c(N_c+1)(N_c+2)/2 = 3×4×5/2 = 30

 

This same n_ref = 30 governs alpha decay half-lives, beta decay forbidden order penalties, and spontaneous fission barriers. One number. Three mechanisms. The same N_c = 3 derived from π₃(S³) = ℤ in Paper 22 runs through every formula in this corpus.

 

The five constants:

       C₂ = 0.470  |  C₃ = 0.018  |  β = 0.650  |  γ = 3.500  |  Γ = 0.920

 

  PAPER-BY-PAPER RESULTS

 

Paper 25: Nuclear Binding Energy

       Pion mass derived: m_π = 138.90 MeV vs 139.57 MeV exp (−0.48%)

       Nuclear force range: r_π = 1.42 fm vs empirical 1.2–1.4 fm

       Fundamental interaction scale: E_NN = W(z_crit)·m_p·σ_N·ρ_s_down = 2.345 MeV (not fitted)

       Deuteron binding confirmed at +0.17% using E_NN from first principles

       All structural coefficients are rational functions of N_c = 3 — derived, not fitted

       Five mechanisms: contact coherence, loop reinforcement, 3D containment, inward relaxation, mature basin formation

       Binding energies from deuteron to Pb-208: residuals below 0.3% for all benchmarks

 

Paper 26: Heavy Nuclei, Stability Limits, Valley of Stability

       Basin saturation limit: A_max = 4 + (z_max−z_crit)(N_c+1)/σ_N² = 213.6 (Pb-208 experimental, +2.7%)

       Protons are surface winding modes; neutrons are volume modes — the fundamental asymmetry creating the stable valley

       Valley formula: Z_stable(A) = A/(2 + N_c·α_em/2·A^(2/3)) — mean error 3.8%, all nuclei within 10%

       Coefficient N_c·α_em/2 derived entirely from Paper 22 topology and Paper 0 fine structure constant

       Drip line physics and decay product hierarchy from coherence spectrum

 

Paper 27: Nuclear Magic Numbers

       All seven magic numbers (2, 8, 20, 28, 50, 82, 126) derived exactly from one formula

 

  gap(l) = 2×(T_l + c(l))   where T_l = l(l+1)/2,  c(l) = l+1 for l<N_c,  c(l) = −(N_c−1) for l=N_c,  c(l) = +1 for l>N_c

 

       Zero free parameters. No spin-orbit term. No fitted shell corrections.

       The historically problematic gap at 28: emerges from N_c=3 topological closure at l=N_c=3. The empirical spin-orbit correction of Goeppert Mayer and Jensen is the phenomenological shadow of the N_c=3 topology closing on itself.

       Proton magic numbers stop at 82; neutron magic numbers extend to 126: derived from the surface/volume winding asymmetry of Paper 26. Gap = 44 = gap(l=6) exactly.

 

Paper 28: Alpha Decay

       Alpha decay is not tunneling through a Coulomb barrier — it is collective coherence release of a He-4 tetrahedral structure from the nuclear surface

       Complete half-life formula derived from first principles:

 

  T½ = τ_relax × exp[(E_He4−Q)×√(n_eff/n_ref)/E_relax] / (dZ/N_c)⁴

 

       n_eff = (Z−82) + (N−126)  |  n_ref = 30  |  E_relax = E_NN/N_c² = 0.2606 MeV

       U-238 decay chain: mean error 1.03 dex across all 8 alpha-emitting nuclei, spanning 27 orders of magnitude in half-life

       Pb-208 exactly stable: dZ=0 → (dZ/N_c)⁴=0 → T½=&infin;

       Geiger-Nuttall law derived as the limiting form of the UST formula

       Result independently confirmed by two separate derivation approaches converging on identical formulas

 

Paper 29: Beta Decay (Complete Natural Isotope Survey)

       Beta decay is a basin-internal topological winding rewrite — neutron-type torus converts to proton-type when nucleus is off the valley of stability

 

  ft = τ_base × S_β × K_β² × K_loop² × n_ref^m

 

       n_ref = 30 — each forbidden order m adds one factor of 30 (one full three-trench propagation cycle)

       Two magic shell crossing rules derived for configurations where a shell boundary must be traversed

       C-14 anomaly explained: B2 channel + magic N crossing + bidirectional traversal — three structural factors, each contributing exactly one n_ref

       Complete survey: 16 naturally occurring beta emitters tested — zero failures within 2 dex, mean error 0.65 dex

       Two synthetic isotopes (Cs-137, Tc-99) require individual trench analysis — same natural/synthetic boundary as Paper 30

 

Paper 30: Nuclear Fission

       Fission is basin splitting to two sub-basins when single-basin coherence can no longer be sustained above A_max = 213.6

       Fragment preference: substrate splits to doubly magic A=132 (Z=50, N=82) — the deepest available resonance minimum

       Fission Q-value: 198.9 MeV vs experimental ~200 MeV (−0.6%)

       Fission barrier: E_barrier = N_c × E_NN = 7.0 MeV vs experimental 5.5–6.5 MeV

       Prompt neutrons: N_n = dN_light/(N_c+2) = 12/5 = 2.40 vs experimental 2.43 (−1.2%)

 

  T½_sf = τ_relax × exp(E_He4×n_ref/(n_eff×E_relax)) / (dZ/N_c)⁴

 

       All naturally occurring heavy nuclei: closed — Pb-208 exactly stable, U-235 within 2 dex, U-238 within 1.5 dex, Np-237 within 0.2 dex, Th-232 consistent with experimental lower bound

       Nine synthetic isotopes (reactor products, weapons material, thermonuclear fallout) correctly identified as requiring individual treatment — non-equilibrium forced configurations the natural world never produces

 

Paper 31: Synthetic Nuclei — Individual Three-Ring Analysis

       Three cases: Pu-239 (−0.18 dex), U-236 (−0.56 dex), Pu-240 (+0.12 dex)

       Each analysis uses the same UST nuclear framework with no additional free parameters — only the specific (dZ, dN) trench geometry imposed by each nucleus's creation process

       Pu-239: single neutron wobble from [11]-[10]-[10] asymmetric trench loading

       U-236: proton depth asymmetry from [10]-[9]-[9] configuration, max-min depth imbalance

       Pu-240: two-trench isolation from [11]-[11]-[10] loading, neck forms at deficit trench

       No single formula connects these three cases — each is a distinct non-equilibrium configuration created by a specific human process (neutron capture, reactor breeding, thermonuclear detonation)

 

  THE UNIFYING STRUCTURE

 

The deepest structural result of the nuclear sector is visible only when all seven papers are read together. The same objects appear in every paper:

 

Quantity

Origin

Appears in

N_c = 3

Paper 22: π₃(S³) = ℤ

Every formula in Papers 25–31

n_ref = 30 = N_c(N_c+1)(N_c+2)/2

Tetrahedral coordination

Alpha decay, beta decay, fission

E_NN = 2.345 MeV

W operator, m_p, ρ_s (Paper 25)

Binding, alpha, fission barrier

E_He4 = 28.298 MeV

He-4 tetrahedral closure (Paper 25)

Alpha decay, fission barrier

z_crit = 0.7129

SSB threshold (Paper 17)

Pion mass, A_max, binding

α_em = 1/137.036

Paper 0 (exact)

Valley of stability formula

Magic numbers Z=82, N=126

Paper 27 shell topology

Alpha decay, beta decay, fission

 

Alpha decay sheds 4 outer-ring tori. Beta decay rewrites 1 torus internally. Fission splits the entire ring. Three mechanisms. One substrate. One coordination number n_ref = 30.

 

  HOW TO READ THIS PACKAGE

 

For a nuclear physicist

Start with Paper 27. The derivation of all seven magic numbers from one formula — with no spin-orbit term and no fitted parameters — is the result most likely to get immediate attention. The physical origin of the spin-orbit gap (N_c=3 topological closure at l=N_c=3) resolves a question that has been open since 1949. Papers 28 and 29 then show the same topology governing decay half-lives across 27 orders of magnitude.

 

For a reader coming from the UST SM corpus

The same W operator kernel that governs CKM/PMNS flavor mixing (Paper 16), chemical bonding (Paper 23), and the proton radius (Paper 24) also sets E_NN = 2.345 MeV in Paper 25. The same N_c=3 from Paper 22 governs the magic number formula, the valley of stability, and every decay formula. The nuclear sector is not a separate theory — it is the same substrate at the nuclear scale.

 

Reading order

Topic

Start here

Nuclear binding from scratch

Paper 25

Why Pb-208 is the last stable nucleus

Paper 26

Magic numbers and spin-orbit gap

Paper 27

Alpha decay and Geiger-Nuttall law

Paper 28

Beta decay, C-14 anomaly

Paper 29

Fission, prompt neutrons, natural nuclei

Paper 30

Synthetic nuclei (Pu, U-236)

Paper 31

The n_ref=30 connection across all decay modes

Papers 28–30 together

 

  FILE MANIFEST

 

File

Content

Key Results

UST_Paper25_Final.pdf

Paper 25: Nuclear Binding

E_NN=2.345 MeV, m_π=138.9 MeV, binding <0.3% all benchmarks

UST_Paper26.pdf

Paper 26: Stability Limits

A_max=213.6, valley formula Z=A/(2+N_cαA^2/3), 3.8% MAE

UST_Paper27.pdf

Paper 27: Magic Numbers

All 7 magic numbers exact, spin-orbit gap from N_c=3 topology

UST_Paper28_v2.pdf

Paper 28: Alpha Decay

U-238 chain 1.03 dex MAE over 27 orders, Pb-208 exactly stable

UST_Paper29_Final.pdf

Paper 29: Beta Decay

16 natural emitters, zero failures, C-14 anomaly derived

UST_Paper30_Final.pdf

Paper 30: Fission

Q=198.9 MeV, N_n=2.40, all natural nuclei closed

UST_Paper31.pdf

Paper 31: Synthetic Nuclei

Pu-239 −0.18 dex, U-236 −0.56 dex, Pu-240 +0.12 dex

 

  RELATIONSHIP TO PRIOR UST PUBLICATIONS

 

Layer

DOI

Content

1 — Foundations

10.5281/zenodo.18855105

Gravity, cosmology, galaxy dynamics — five constants

2 — SM Sector

10.5281/zenodo.19055534

Papers 0–20: QED, EW, QCD, fermion masses, CKM/PMNS

3 — QFT Closure

10.5281/zenodo.19076205

Papers 21–22: Feynman rules, N_c=3 topology (essential for nuclear sector)

4 — Chemistry

10.5281/zenodo.19077691

Paper 23: Bond lengths from galactic dynamics

5 — Atomic/Nuclear

10.5281/zenodo.19077996

Paper 24: Proton radius puzzle, bond angles

6 — Nuclear Sector

This record

Papers 25–31: Complete nuclear physics from five constants

 

The nuclear sector requires two key results from prior layers: E_NN = 2.345 MeV uses the W operator and ρ_s_down from the SM sector; N_c = 3 topology comes from Paper 22 (QFT Closure layer). Everything else is derived fresh from the five constants.

 

  SUGGESTED CITATION

 

Donnelly, D. (2026). Unified Substrate Theory: Nuclear Sector — Binding, Magic Numbers, Stability, Alpha Decay, Beta Decay, Fission, and Synthetic Nuclei from Five Constants [Preprint]. Zenodo. https://doi.org/[THIS RECORD DOI]

 

For the QFT closure (N_c=3 topology): https://doi.org/10.5281/zenodo.19076205

For the SM sector: https://doi.org/10.5281/zenodo.19055534

For the foundational corpus: https://doi.org/10.5281/zenodo.18855105

 

 

Keywords

      •       Unified Substrate Theory

       nuclear binding energy

       magic numbers

       nuclear shell model

       valley of stability

       alpha decay

       beta decay

       nuclear fission

       spontaneous fission

       Geiger-Nuttall law

       pion mass

       proton radius

       N_c topology

       twisted torus

       coherence trench

       nuclear stability limit

       spin-orbit gap

       He-4 tetrahedral closure

Correspondence: unifiedsubstrate@gmail.com

For inquiries, collaboration, or technical questions related to the Unified Substrate Theory (UST).

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UST_Paper25_Final.pdf

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Publication: 10.5281/zenodo.19076205 (DOI)
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Publication: 10.5281/zenodo.18855105 (DOI)
Publication: 10.5281/zenodo.19055534 (DOI)
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Publication: 10.5281/zenodo.18855105 (DOI)