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Towers, S. (2013) Improving the Control of Systematic Uncertainties in Precision Measurements of Radionuclide Half-Life. Applied Radiation and Isotopes, 77, 110-114.
http://dx.doi.org/10.1016/j.apradiso.2013.03.003

has been cited by the following article:

  • TITLE: Experimental Evidence for Variability in Planck’s Constant

    AUTHORS: Richard A. Hutchin

    KEYWORDS: Planck’s Constant, Variable Radioactive Decay Rate, Variable Plank’s Constant

    JOURNAL NAME: Optics and Photonics Journal, Vol.6 No.6, June 30, 2016

    ABSTRACT: Annual variations of 1000 - 3000 ppm (peak-to-valley) have been observed in the decay rates of 8 radionuclides over a 20 year span by six organizations on three continents, including beta decay (weak interaction) and alpha decay (strong interaction). In searching for a common cause, we hypothesized that small variations in Planck’s constant might account for the observed synchronized variations in strong and weak decays. If so, then h would be a maximum around January-February of each year and a minimum around July-August of each year based on the 20 years of radioactive decay data. To test this hypothesis, a purely electromagnetic experiment was set up to search for the same annual variations. From Jun 14, 2011 to Jan 29, 2014 (941 days), annual variations in tunneling voltage through 5 parallel Esaki tunnel diodes were recorded. It found annual variations of 826 ppm peak-to-valley peaking around Jan 1. These variations lend support to the hypothesis that there is a gradient in h of about 21 ppm across the Earth’s orbit.