Generalized Lomb-Scargle analysis of ${}^{90}\mathrm{Sr}{/}^{90}\mathrm{Y}$ decay rate measurements from the Physikalisch-Technische Bundesanstalt

P Tejas, Shantanu Desai

We apply the generalized Lomb-Scargle (LS) periodogram to independently confirm the claim by Sturrock et al (arXiv:1605.03088) of oscillation at a frequency of 11/year in the decay…