Structure and Shape of Nuclei at High Angular Momentum

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This standard grant will provide partial support for two graduate students to supervise the construction and commissioning of the ICEBall-2 mini-orange spectrometers within the Gammasphere array, a premier detection system used by a large consortium of nuclear-structure physicists. This large gamma-ray detector array is used to study the complex level structure of nuclei in order to understand the underlying nuclear structure. The mini-orange spectrometers allow measurements of internal conversion electrons, which result from electromagnetic transitions between levels for which there is no change in angular momentum, which typically arise from interband transitions. Observing these transitions thus allows a more complete understanding of the level schemes. The research using this device will be performed at the ATLAS facility at Argonne National Laboratory.