. "Angular Cross-section"@en . "\"Angular Cross-section\" is the cross-section for ejecting or scattering a particle into an elementary cone, divided by the solid angle \\(d\\Omega\\) of that cone."^^ . "http://www.iso.org/iso/catalogue_detail?csnumber=31895"^^ . "http://en.wikipedia.org/wiki/Cross_section_(physics)"^^ . . . . "\\(\\sigma_\\Omega\\)"^^ . "\\(\\sigma = \\int \\sigma_\\Omega d\\Omega\\)"^^ . .