doi:10.5170/CERN-1976-013.120engHornshøj, PHøjsholt-Poulsen, LRud, NThe GT matrix elements in the decay of the mirror nuclei $^{47}$Cr, $^{51}$Fe, and $^{55}$NiNuclear PhysicsThree new mirror nuclei, /sup 47/Cr, /sup 51/Fe, and /sup 55/Ni have been identified in (/sup 3/He,2n) reactions and their half-lives determined. This allowed log ft values and GT matrix elements to be extracted based on known mass data.CERN1976http://cds.cern.ch/record/87387410.5170/CERN-1976-013.120http://cds.cern.ch/record/873874oai:cds.cern.ch:873874