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Fujita","submitted_at":"2016-05-27T19:44:29Z","abstract_excerpt":"We report the first observation of the 2$^+$ isomer in $^{52}$Co, produced in the $\\beta$ decay of the 0$^+$, $^{52}$Ni ground state. We have observed three $\\gamma$-rays at 849, 1910, and 5185 keV characterizing the $\\beta$ de-excitation of the isomer. We have measured a half-life of 102(6) ms for the isomeric state. The Fermi and Gamow-Teller transition strengths for the $\\beta$ decay of $^{52m}$Co to $^{52}$Fe have been determined. 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