spin_paper/archive/experimental-scripts/sigma_finder.py

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import numpy as np
import scipy.constants as const
def find_force_at_lattice_sigma():
"""What total force do we get with the actual lattice QCD sigma?"""
# Same parameters as before
F_geometric = 1.70e4 # N
F_coulomb = 1.79e4 # N
# Use actual lattice QCD value
sigma_lattice = 0.18 # GeV/fm
sigma_N = sigma_lattice * (const.e * 1e9 / 1e-15)
F_total = F_geometric + F_coulomb + sigma_N
print(f"\nWITH LATTICE QCD σ = 0.18 GeV/fm:")
print(f"F_geometric = {F_geometric:.2e} N")
print(f"F_coulomb = {F_coulomb:.2e} N")
print(f"F_confine = {sigma_N:.2e} N")
print(f"F_total = {F_total:.2e} N")
print(f"\nThis gives nuclear forces of ~{F_total:.0e} N")
find_force_at_lattice_sigma()