Elsevier

Nuclear Data Sheets

Volume 120, June 2014, Pages 84-87
Nuclear Data Sheets

Precise Lifetime Measurements in Light Nuclei for Benchmarking Modern Ab-initio Nuclear Structure Models

https://doi.org/10.1016/j.nds.2014.07.013Get rights and content

Abstract

A new generation of ab-initio calculations, based on realistic two- and three-body forces, is having a profound impact on our view of how nuclei work. To improve the numerical methods, and the parameterization of 3-body forces, new precise data are needed. Electromagnetic transitions are very sensitive to the dynamics which drive mixing between configurations. We have made a series of precise (< 3%) measurements of electromagnetic transitions in the A=10 nuclei 10C and 10Be by using the Doppler Shift Attenuation method carefully. Many interesting features can be reproduced including the strong α clustering. New measurements on 8Be and 12Be highlight the interplay between the alpha clusters and their valence neutrons.

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