(Beta)-decay experiments and the unitarity of the CKM matrix
Description:
The goal of this project was to perform very precise measurements of super-allowed Fermi {beta} decay in order to investigate a possible non-unitarity in the CKM matrix of the Standard Model of particle physics. Current data from 9 precisely measured {beta} decays indicated that the sum-of-squares of the first row of the CKM matrix differs from 1.0 at the 2.2{sigma} (or 98% confidence) level. If true, it would be the first firm indication of physics beyond the Standard Model--the model that has…
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Date:
December 1, 2005
Creator:
Garrett, P. E.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department