Radioactive Decay, Counting Statistics, and the Geiger Tube Preformed By: Richard Breazeale Ryan Phelan Jack Young

Topics Investigated Chart of Nuclides Chart of Nuclides Differences in α,β,γ decay Differences in α,β,γ decay Data fitting of Gaussian distribution Data fitting of Gaussian distribution

Chart of Nuclides

α,β,γ Decays Qualitative experiment using Geiger counter and lead blocks Qualitative experiment using Geiger counter and lead blocks γ source was Co 60 γ source was Co 60 β source was Tl 204 β source was Tl 204 α source was U 238 α source was U 238

Science Workshop

Setting Recording Parameters

End of Data Recording

Creating Histogram

Completed Histogram

Opening Scientist Program

Gaussian Equation and Parameter Set

Data Sheet after Least Squares Fit

Plotted Data

Jack at work analyzing Poisson Data

Completed Graph