In Manchester, Rutherford continued his work with alpha radiation. In conjunction with Hans Geiger, he developed zinc sulfide scintillation screens and ionisation chambers to count alpha particles. By dividing the total charge accumulated on the screen by the number counted, Rutherford determined that the charge on the alpha particle was two. In late 1907, Ernest Rutherford and Thomas Royds allowed alphas to penetrate a very thin window into an evacuated tube. As they sparked the tube into discharge, the spectrum obtained from it changed, as the alphas accumulated in the tube. Eventually, the clear spectrum of helium gas appeared, proving that alphas were at least ionised helium atoms, and probably helium nuclei. In 1910 Rutherford, with Geiger and mathematician Harry Bateman published their classic paperBulmer, M. G. (1979). Principles of Statistics. United Kingdom: Dover Publications. describing the first analysis of the distribution in time of radioactive emission, a distribution now called the Poisson distribution.
In Manchester Rutherford continued his work with alpha radiation In conjunction with Hans Geiger he developed zinc sulfide scintillation screens and ionisation chambers to count alpha particles By dividing the total charge accumulated on the screen by the number counted Rutherford determined that the charge on the alpha particle was two In late 1907 Ernest Rutherford and Thomas Royds allowed alphas to penetrate a very thin window into an evacuated tube As they sparked the tube into discharge the spectrum obtained from it changed as the alphas accumulated in the tube Eventually the clear spectrum of helium gas appeared proving that alphas were at least ionised helium atoms and probably helium nuclei In 1910 Rutherford with Geiger and mathematician Harry Bateman published their classic paperBulmer M G (1979) Principles of Statistics United Kingdom Dover Publications describing the first analysis of the distribution in time of radioactive emission a distribution now called the Poisson distribution