Abstract
The nonrelativistic impulse approximation for the induced-tensor interaction has been analyzed in detail. $\mathrm{ft}$ values for mirror transitions have been calculated using electron Coulomb wave functions for the extended charge distribution and introducing higher-order corrections. 14 angular $\ensuremath{\beta}\ensuremath{-}\ensuremath{\gamma}$ correlations, the $\ensuremath{\beta}$ transition being allowed, have been analyzed, showing that this process is sensitive to the presence of the induced-tensor interaction. The amount of information about the induced tensor at present obtainable from circular $\ensuremath{\gamma}$ polarization in nuclear transitions has been investigated. A limit on the induced-tensor coupling constant has been obtained which does not contradict the evidence based on $\mathrm{ft}$ values. $\ensuremath{\beta}\ensuremath{-}\ensuremath{\gamma}$ angular correlations seem to yield evidence for the weak-magnetism term, while not excluding the existence of the induced tensor.
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