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KMID : 0364919850100020155
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Journal of Radiation Protection and Research
1985 Volume.10 No. 2 p.155 ~ p.159
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Calculation of Absorbed Dose for Immersion in Semi-Infinite Radioactive Cloud(1)
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Abstract
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In general, dose rates for a monoenergetic gamma emitter uniformly distributed in an infinite cloud have been calulated by using the monoenergetic point-isotorpic source kernel technique. The most serious limitation on use of the kernel technique is subjected to the fact that it estimates the dose only at the surface of body.
As a result, an alternative method is presented in which estimates of dose rate for immersion in a radioactive cloud are resulted from the scattered photon spectra incident on the surface of body. The results are in excellent agreement with other´s.
Work is currently in progress to apply these results to immersion dose problems associated with absorbed dose distribution in the MIRD phatom.
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