Gallium Neutrino Anomaly Disentangler
ν-ANOMALY v2.4
Disentangling short-baseline sterile oscillations vs. excited-state nuclear matrix elements in
71
Ga(ν
e
, e
−
)
71
Ge
Preset: Standard Model (Bahcall Cross-Section)
Preset: Sterile Neutrino Fit (Δm²=1.25 eV²)
Preset: Modern Nuclear Shell Revision (Haxton et al.)
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Detector Vessel Geometry & Radial Interaction Profile
BEST Dual-Zone (Inner r<66cm, Outer r<120cm)
GALLEX Tank (Cylindrical r=190cm)
SAGE Vessel (10 Tanks r=35cm)
Source: ⁵¹Cr (E_ν = 750 keV)
Source: ³⁷Ar (E_ν = 811 keV)
Key Spatial Test:
BEST Outer/Inner capture ratio tests distance-dependent quantum oscillation. Current Model: Outer/Inner =
0.978
(Exp: 0.968 ± 0.084).
Radial Neutrino Flux & Survival Probability P_ee(L)
P_ee = 1 - sin²(2θ₁₄)·sin²(1.267·Δm²₄₁·L/E)
Theory Engine Parameters
MODERN NUCLEAR REVISION
Mass Splitting Δm²₄₁
0.00 eV²
Mixing sin²(2θ₁₄)
0.000
B(GT) 175 keV (5/2⁻)
0.050
B(GT) 500 keV (3/2⁻)
0.080
Total σ(ν_e)
4.82
×10⁻⁴⁵ cm²
Global R_pred
0.804
Ratio to Bahcall
χ² Fit (dof=6)
2.41
p = 0.88
Anomaly Status
RESOLVED
Nuclear Solution
Calibration Runs & Observed/Predicted Capture Ratios (R = N_obs / N_pred)
Experiment
Source
Baseline ⟨L⟩
Observed R
Simulated R
Residual Δ/σ
Simulation Engine: Active • χ² evaluated across 6 calibration runs
χ²/NDF = 0.40
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