. . . . . "For ionizing radiation, \\(z = \\frac{\\varepsilon}{m}\\), where \\(\\varepsilon\\) is the energy imparted to irradiated matter and \\(m\\) is the mass of that matter."^^ . . "The \"Specific Energy Imparted\", is the energy imparted to an element of irradiated matter divided by the mass, dm, of that element." . "z" . . . . . . . "http://www.iso.org/iso/catalogue_detail?csnumber=31895"^^ . . "Specific Energy Imparted"@en . . . . . "http://www.answers.com/topic/energy-imparted"^^ .