. . . "0"^^ . . . "b"@en-us . . . . . "barn"@en-us . "(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter"@en-us . . "0"^^ . . "113614256"^^ . . "112847963"@en-us . . . . . . . . . "barn"^^ . . "109784795"@en-us . . . . "13614256-n"^^ . . . .