High‐Resolution B(GT) studies with $(3He,t)$ reactions

It has been shown that the $(3He,t)$ charge exchange reaction at intermediate energies, used at zero momentum transfer in combination with high‐resolution magnetic spectrometers is a very powerful probe for Gamow‐Teller strengths. Several $N = Z$ nuclei such as $46V$ [1] or $50Mn$ [2] have been investigated. Recently ab‐initio nuclear structure calculations have become possible for light nuclei. Thus experimental studies on light nuclei have become of great current interest [3]. We review previous results obtained in $11C$ with respect to nuclear structure aspects and the Hoyle state, and present some early results of a $9Be(3He,t)9B$ experiment carried out recently, pointing out the significance of high‐resolution charge‐exchange reactions and the investigation of Gamow‐Teller strengths for the understanding of nuclear structure in light nuclei.