A collimator design for using HPGe detectors in neutron beams. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 12, n. 4B (Suppl.), p. e2750, 2025. DOI: 10.15392/2319-0612.2024.2750. Disponível em: https://bjrs.org.br/revista/index.php/REVISTA/article/view/2750. Acesso em: 17 jul. 2025.