Precise Half-Life Measurement of the Superallowed beta emitter 10C
V.E. Iacob, J.C. Hardy, V. Golovko, J. Goodwin, N. Nica, H.I. Park, L., Trache, R.E. Tribble
TL;DR
This paper reports a highly precise measurement of the half-life of 10C, significantly improving the accuracy and impacting tests of fundamental symmetries in particle physics.
Contribution
The study provides the most precise half-life measurement of 10C, enhancing the accuracy of superallowed beta decay data for fundamental physics tests.
Findings
Half-life of 10C measured as 19.310(4) seconds
Measurement precision improved by a factor of three
Results influence limits on scalar currents in weak interactions
Abstract
The half-life of 10C has been measured to be 19.310(4)s, a result with 0.02% precision, which is a factor of three improvement over the best previous result. Since 10C is the lightest superallowed 0+ --> 0+ beta emitter, its ft value has the greatest weight in setting an upper limit on the possible presence of scalar currents.
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