Radioactivity

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Natural Radioactivity and Statistics (1.10)

Students Manual In this experiment students work with radioactive sources and radiation detection apparatus. They perform quantitative measurements of the properties of these sources.
Matlab Code Absorption
Sample Results Experimentally achieved histogram overlaid with the Poisson distribution for the gamma source
Further Readings and References

About the Poisson Distribution", Dr. M. Afza Beg, Statistics methods and applications, pp. 198-200.
Radioactive decay, Arthur Beiser, Concepts of Modern Physics, McGraw-Hill companies, (2003), pp. 419-429.
Radioactivity, A. W. Harrison, Intermediate atomic and nuclear physics, St. Martin's Press. New York, (1966), pp. 116-122.
Example taken from Boas's book, M. L. Boas, Mathematical methods in the physical sciences, pp.729.
Radioactivity, Serway, Mosses and Moyer, Modern physics, Thomson Learning, Inc. (2005), pp. 479-484.

Pictorial Procedure (1.10)

1. Provided apparatus
1. Provided apparatus
2. GM Counter
2. GM Counter
3. Connect power cable to the AC mains, turn VOLTAGE ADJUST knob anti-clockwise and press POWER button
3. Connect power cable to the AC mains, turn VOLTAGE ADJUST knob anti-clockwise and press POWER button
4.  Press VOLTS button 6 times till LED behind blinks
4. Press VOLTS button 6 times till LED behind blinks
5. Set 900V through VOLTAGE ADJUST knob
5. Set 900V through VOLTAGE ADJUST knob
6. Accessin the Geiger software
6. Accessin the Geiger software
7. Bar graph screen of Geiger software
7. Bar graph screen of Geiger software
8. Measurement menu for selecting a specific time interval
8. Measurement menu for selecting a specific time interval
9. Exporting a file; click image for clarity
9. Exporting a file; click image for clarity
10. Saving the .txt file; click image for clarity
10. Saving the .txt file; click image for clarity
11. loading the .txt file in MATLAB; click image for clarity
11. loading the .txt file in MATLAB; click image for clarity
12. Mounting a source holder
12. Mounting a source holder
13. Measuring the thickness of an absorbing sheet
13. Measuring the thickness of an absorbing sheet
14. Measure the distance (d) between source and GM tube
14. Measure the distance (d) between source and GM tube
15. Placing an absorbing sheet between the source and detector
15. Placing an absorbing sheet between the source and detector
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