Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana; Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana; Department of Earth Sciences, Okayama University, 1-1, Tsushima-Naka, 3-Chome, Okayama 700-8530, Japan
Ahiamadjie, H., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana; Serfor-Armah, Y., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana; Tandoh, J.B., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana; Gyampo, O., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana; Ofosu, F.G., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana; Dampare, S.B., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana, Department of Earth Sciences, Okayama University, 1-1, Tsushima-Naka, 3-Chome, Okayama 700-8530, Japan; Adotey, D.K., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana; Nyarko, B.J.B., Ghana Atomic Energy Commission, National Nuclear Research Institute, P.O. Box LG 80, Legon-Accra, Ghana, Department of Nuclear Sciences and Applications, School of Nuclear and Allied Sciences, University of Ghana, Legon-Accra, Ghana