RETRACTED: Tantalum based polymers for cosmic radiation shieldingK.V. Sathish, H.C. Manjunatha, P.S. Damodara Gupta, K.N. Sridhar and N. SowmyaEPJ Web Conf., 359 (2026) 02027DOI: https://doi.org/10.1051/epjconf/202635902027