Radiogenic Lead with Dominant Content of <sup>208</sup>Pb: New Coolant and Neutron Moderator for Innovative Nuclear Facilities

<table>Thermal neutron flux in <sup>208</sup>Pb, graphite, and natural lead depending on distance from the target.</table>

Science and Technology of Nuclear Installations

Figure 9: Radiogenic Lead with Dominant Content of <sup>208</sup>Pb: New Coolant and Neutron Moderator for Innovative Nuclear Facilities 