Attenuation of Radiation - University of Tennessee
Attenuation of Radiation by Dr. James E. Parks Department of Physics and Astronomy 401 Nielsen Physics Building The University of Tennessee Knoxville, Tennessee 37996-1200 Copyright March, 2001 by James Edgar Parks* *All rights are reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage or retrieval system, without permission in writing from the author. Objectives The objectives of this experiment are: (1) to study the interaction of Radiation with matter, (2) to study how charged particles interact with materials, (3) to study the 3 primary ways that gamma rays interact with matter, (4) to learn how materials are effective in shielding Radiation , (5) to learn
Compton effect. The fraction of energy transferred depends on the Compton scattering angle θ and the initial energy of the gamma ray, E0. If the energy of the gamma ray before it is scattered is E0 and the energy of the scattered gamma ray is E, then E0 and E are related by the Compton scattering relationship (2 0 11 1 1cos EE mc −= −θ) (2)
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