Beta back-scatter coefficient from thick targets
Journal Article
·
· Bulletin of the American Physical Society
OSTI ID:127832
- Univ. of Massachusetts, Lowell, MA (United States)
An experimental technique is presented to determine the distribution of back scattered beta particles as a function of angle of incident radiation on a target. Scatterers used consisted of metallic foils of various atomic number, such as Al, Zn, Fe, Ag and Zr. Pure beta-emitting radionuclides, P-32, Tl-204, characterized by end-point energies of 1.71 MeV, 0.769 MeV, were prepared as individual sources and used in the experimental work. A scintillation detector used in conjunction with the target scatterer and a specially designed fixture that allowed rotation about its vertical rotation axis provided the proper geometry and shielding for this experiment. Finally the authors have attempted to derive an empirical equation for beta emitting radionuclides as a function of Z and {phi} for thick target materials.
- OSTI ID:
- 127832
- Report Number(s):
- CONF-920376--
- Journal Information:
- Bulletin of the American Physical Society, Journal Name: Bulletin of the American Physical Society Journal Issue: 9 Vol. 37; ISSN BAPSA6; ISSN 0003-0503
- Country of Publication:
- United States
- Language:
- English
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