Role of ambient humidity underestimated in research on correlation between radioactive decay rates and space weather
In recent work, Milián-Sánchez et al. observed fluctuations in radioactive decay rate measurement series, and after excluding environmental influences (measured indoors) as root causes, they looked for possible correlations with astrophysical variables. They reported positive or negative correlations with geomagnetic activity (GMA) and cosmic-ray activity (CRA). This assertion is at variance with the most accurate measurements of radioactivity, which support the validity of the exponential-decay law. In spite of the authors’ efforts to investigate possible influences of environmental parameters – such as ambient temperature, pressure and humidity – on the detectors’ stability, it turns out that the influence of ambient humidity on the instrumentation has been underestimated.
POMME Stefaan;
PELCZAR Krzysztof;
2022-02-16
NATURE PUBLISHING GROUP
JRC122074
2045-2322 (online),
https://www.nature.com/articles/s41598-022-06171-1,
https://publications.jrc.ec.europa.eu/repository/handle/JRC122074,
10.1038/s41598-022-06171-1 (online),
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