Testing CVC and CKM Unitarity via superallowed nuclear beta decay J.C. Hardy, I.S. Towner, H.I. Park, V.E. Iacob, L. Chen, V. Horvat, N. Nica and M. Bencomo EPJ Web of Conferences, 93 (2015) 01001 Published online: 28 May 2015 DOI: 10.1051/epjconf/20159301001