Department of Physics and Astronomy

Dartmouth

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Gamma Ray Absorption

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Measurement of the linear and mass absorption coefficients of lead and aluminum. Results tend to be within 5% of the accepted value.

Course Level

Introductory

Student Handouts

Equipment

Number of set-ups available: 1

Per lab station:

1 oscilloscope/BNC signal cable
1 frequency counter/BNC T-connector
1 meterstick
1 vernier caliper
4 aluminum absorbers of various thicknesses
5 lead absorbers of various thicknesses
1 stopwatch
1 roll of masking tape
1 geiger tube
1 BNC signal cable
1 BNC high voltage cable
1 wooden block
1 lead shield

General class supplies: (Not shown)

high voltage power supplies
lead pigs/absorber posts
Cs-137 sourse
film badges/sign up sheet
lead bricks

 Apparatus

Circuit Diagram

Circuit diagram

Notes

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Site contact: largent@Dartmouth.EDU

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