Info

a x: thickness (m); a: cross section (m2); p: mass density (kg/m3); %: thickness in mass units (kg/m2); n: number density (m-3); N;: initial number of photons in beam; t : optical depth (-); k: opacity (m2/kg); N(x): final number after traversing thickness x.

a x: thickness (m); a: cross section (m2); p: mass density (kg/m3); %: thickness in mass units (kg/m2); n: number density (m-3); N;: initial number of photons in beam; t : optical depth (-); k: opacity (m2/kg); N(x): final number after traversing thickness x.

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