"an elementary particle with zero charge and zero mass"@en-us . . "0"^^ . "0.223536"^^ . . "0"^^ . "108782373"@en-us . . "an elementary particle with zero charge and zero mass"@en-us . . . "0.109381"^^ . "neutrino"@en-us . "0.0405013"^^ . "0.0176466"^^ . "0.258342"^^ . "0.0179144"^^ . "0.0"^^ . . . "neutrino"^^ . "09369412-n"^^ . "0.332679"^^ . . "109369412"^^ . . . .