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Med Phys. 2007 Jun;34(6):1999-2006.

Monte Carlo characterization of the M-19 high dose rate Iridium-192 brachytherapy source.

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1
Radiation Laboratory, University of Massachusetts Lowell, 1 University Avenue, Lowell, Massachusetts 01854, USA. David_Medich@uml.edu

Abstract

The MCNP5 Monte Carlo code was used to simulate the dosimetry of an M-19 iridium-192 high dose rate brachytherapy source in both air/vacuum and water environments with the in-air photon spectrum filtered to remove low-energy photons below delta=10 keV. Dosimetric data was organized into an away-along table and was used to derive the updated AAPM Task Group Report No. 43 (TG-43U1) parameters including S(K), D(r, theta), lamda, gL(r), F(r, theta), phi an(r), and phi an, and their respective statistical uncertainties.

PMID:
17654903
DOI:
10.1118/1.2733809
[Indexed for MEDLINE]
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