Comparison of Measured Dose Enhancement Effects in LiF TLDs with 2-D Monte Carlo Predictions
- 1 January 1986
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 33 (6) , 1258-1260
- https://doi.org/10.1109/TNS.1986.4334588
Abstract
Relative-dose-enhancement factors in LiF dosimeters were measured as a function of spacing between the dosimeters and an Al-Au bilaminate filter in a bremsstrahlung spectrum of 145 keV average energy. Results essentially agree with 2-D Monte Carlo code predictions. However, the calculated results may be somewhat greater than the experimental results at zero bilaminate spacing. 2-D effects were found to be significant at 1.9cm bilaminate spacing. A 40 micron thick Al foil interposed between the bilaminate and the dosimeters reduced dose enhancement by approximately a factor of 10.Keywords
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