spin_paper/archive/experimental-scripts/nuclear_debug.py

195 lines
6.7 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/env python3
"""
Nuclear Calculation Debug Analysis
The results showing 10^26 dominance of geometric over confinement forces
are so extreme they suggest calculation errors. Let's debug systematically.
Author: Andre Heinecke & AI Collaborators
Date: June 2025
"""
import numpy as np
def debug_nuclear_calculation():
"""Debug the nuclear force calculation step by step"""
print("NUCLEAR CALCULATION DEBUG ANALYSIS")
print("="*60)
print("Investigating why geometric/confinement ratio = 10^26")
print("This is too extreme to be physical - likely calculation error")
print()
# Constants
hbar = 1.054571817e-34 # J⋅s
c = 299792458 # m/s
eV_to_J = 1.602176634e-19
print("STEP 1: CHECK QUARK MASS CONVERSION")
print("-" * 40)
# Current quark masses from PDG
m_up_MeV = 2.16
m_down_MeV = 4.67
m_avg_MeV = (m_up_MeV + m_down_MeV) / 2
# Convert to kg
m_avg_kg = m_avg_MeV * 1e6 * eV_to_J / c**2
print(f"Average current quark mass: {m_avg_MeV:.2f} MeV/c²")
print(f"In kg: {m_avg_kg:.2e} kg")
print(f"Electron mass for comparison: {9.109e-31:.3e} kg")
print(f"Quark/electron mass ratio: {m_avg_kg/9.109e-31:.1f}")
print()
print("ISSUE 1: Current vs Constituent Quark Masses")
print("- Current masses (PDG): What appears in QCD Lagrangian")
print("- Constituent masses: Effective masses in hadrons (~300 MeV)")
print("- Geometric binding might depend on constituent masses!")
print()
# Try with constituent masses
m_constituent_MeV = 300 # Typical constituent mass
m_constituent_kg = m_constituent_MeV * 1e6 * eV_to_J / c**2
print(f"Constituent quark mass: {m_constituent_MeV} MeV/c²")
print(f"In kg: {m_constituent_kg:.2e} kg")
print(f"Current/Constituent ratio: {m_avg_kg/m_constituent_kg:.3f}")
print()
print("STEP 2: CHECK STRING TENSION CONVERSION")
print("-" * 40)
sigma_GeV2_fm = 0.18
# Convert GeV²/fm to N
GeV_to_J = 1e9 * eV_to_J
fm_to_m = 1e-15
sigma_N = sigma_GeV2_fm * (GeV_to_J**2) / fm_to_m
print(f"String tension: {sigma_GeV2_fm} GeV²/fm")
print(f"1 GeV = {GeV_to_J:.3e} J")
print(f"1 fm = {fm_to_m:.0e} m")
print(f"σ in SI units: {sigma_N:.2e} N")
print()
print("STEP 3: FORCE CALCULATIONS AT r = 1 fm")
print("-" * 40)
r_fm = 1.0
r_m = r_fm * 1e-15
# Geometric force with current mass
F_geom_current = hbar**2 / (m_avg_kg * r_m**3)
# Geometric force with constituent mass
F_geom_constituent = hbar**2 / (m_constituent_kg * r_m**3)
# Confinement force
F_conf = sigma_N * r_m
print(f"At r = {r_fm} fm = {r_m:.0e} m:")
print(f"F_geometric (current mass): {F_geom_current:.2e} N")
print(f"F_geometric (constituent mass): {F_geom_constituent:.2e} N")
print(f"F_confinement: {F_conf:.2e} N")
print()
ratio_current = F_geom_current / F_conf
ratio_constituent = F_geom_constituent / F_conf
print(f"Ratio (current mass): {ratio_current:.1e}")
print(f"Ratio (constituent mass): {ratio_constituent:.1e}")
print()
print("STEP 4: COMPARISON WITH KNOWN NUCLEAR FORCES")
print("-" * 40)
# Typical nuclear binding energy per nucleon
binding_per_nucleon_MeV = 8 # MeV (iron peak)
nuclear_radius_fm = 1.2 # fm (A^1/3 scaling)
# Estimate typical nuclear force
F_nuclear_typical = binding_per_nucleon_MeV * 1e6 * eV_to_J / (nuclear_radius_fm * 1e-15)
print(f"Typical nuclear binding: {binding_per_nucleon_MeV} MeV per nucleon")
print(f"Over distance ~{nuclear_radius_fm} fm")
print(f"Typical nuclear force: {F_nuclear_typical:.2e} N")
print()
print(f"Our geometric force (current): {F_geom_current:.2e} N")
print(f"vs typical nuclear force: {F_nuclear_typical:.2e} N")
print(f"Ratio: {F_geom_current/F_nuclear_typical:.1e}")
print()
if F_geom_current > 1000 * F_nuclear_typical:
print("⚠️ GEOMETRIC FORCE IS 1000x LARGER THAN TYPICAL NUCLEAR FORCES!")
print(" This suggests a fundamental error in the approach")
print("STEP 5: POTENTIAL ISSUES")
print("-" * 40)
print("1. MASS SCALE PROBLEM:")
print(" - Current quark masses may not be the relevant mass scale")
print(" - Constituent masses include binding energy effects")
print(" - QCD mass generation is non-perturbative")
print()
print("2. STRONG COUPLING BREAKDOWN:")
print(" - α_s ~ 1 at nuclear scales (non-perturbative)")
print(" - Geometric formula derived for weakly coupled systems")
print(" - QCD requires different theoretical treatment")
print()
print("3. MISSING QCD FACTORS:")
print(" - Color SU(3) factors")
print(" - Running coupling constant")
print(" - Non-Abelian gauge theory corrections")
print()
print("4. SCALE MISMATCH:")
print(" - Nuclear binding operates at ~MeV scale")
print(" - Our calculation gives forces equivalent to ~TeV energies")
print(" - Suggests wrong energy/length scale relationship")
print()
print("STEP 6: HONEST ASSESSMENT")
print("-" * 40)
print("LIKELY CONCLUSION:")
print("The geometric principle F = ℏ²/(mr³) cannot be naively extended")
print("from QED (electromagnetic) to QCD (strong force) because:")
print()
print("1. QCD is strongly coupled (α_s ~ 1) vs QED weakly coupled (α ~ 1/137)")
print("2. Non-Abelian gauge theory has qualitatively different physics")
print("3. Confinement is inherently non-perturbative")
print("4. Mass scales in QCD are dynamically generated")
print()
print("The geometric principle may be specific to:")
print("- QED systems (atoms, molecules)")
print("- Gravity (planets, stars)")
print("- Other weakly coupled systems")
print()
print("Nuclear physics likely requires its own theoretical framework")
print("that cannot be reduced to simple geometric arguments.")
return {
'geometric_current': F_geom_current,
'geometric_constituent': F_geom_constituent,
'confinement': F_conf,
'nuclear_typical': F_nuclear_typical,
'ratio_too_large': ratio_current > 1e20
}
if __name__ == "__main__":
result = debug_nuclear_calculation()
print("\n" + "="*60)
print("DEBUG CONCLUSION:")
if result['ratio_too_large']:
print("❌ Calculation error confirmed!")
print(" Geometric principle likely not applicable to QCD")
print(" Need to acknowledge limitations honestly")
else:
print("✓ Calculation seems reasonable")
print(" Proceed with nuclear analysis")