pi_over_k_squared_barns

nereids_physics::channel

Function pi_over_k_squared_barns 

Source 
pub fn pi_over_k_squared_barns(energy_ev: f64, awr: f64) -> f64
Expand description

π/k² factor that appears in all cross-section formulas.

Returns π/k² in barns (1 barn = 100 fm²).

§Arguments

  • energy_ev — Neutron energy in eV.
  • awr — Mass ratio from ENDF.