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

2. 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

3. Chart of Nuclides

4. 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

5. Science Workshop

6. Setting Recording Parameters

7. End of Data Recording

8. Creating Histogram

9. Completed Histogram

10. Opening Scientist Program

11. Gaussian Equation and Parameter Set

12. Data Sheet after Least Squares Fit

13. Plotted Data

14. Jack at work analyzing Poisson Data

15. Completed Graph