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Dosimetric characteristics of mercury and cerrobend blocks in megavoltage radiation therapy

Tahmasebi-Birgani, M.J. and Seif, F. and Bayatiani, M.R. (2015) Dosimetric characteristics of mercury and cerrobend blocks in megavoltage radiation therapy. Journal of Radioanalytical and Nuclear Chemistry, 303 (3). pp. 1843-1850.

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Abstract

In this study some dosimetric parameters of mercury was investigated and compared with cerrobend as a common beam attenuator material. Experimental dosimetry for different thicknesses of cerrobend and mercury was done at 6 and 18 MV photon beams. With augmentation of the attenuator thickness, dmax and beam quality index increased at 6 MV but at 18 MV, beam softening happened. The transmission values increased with field size increment and linear attenuation coefficient decreases slightly as the thickness of the attenuating filter increased. The attenuation ability of mercury was about 1.44 times more than cerrobend and it can be proposed as a beam modifier. © 2014, Akadémiai Kiadó, Budapest, Hungary.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: cerrobend; mercury; metal; unclassified drug, Article; beam modifier; dosimetry; megavoltage radiotherapy; photon; radiation attenuation; radiation shield
Subjects: مقالات نمایه شده محققین دانشگاه در سایت ,Web of Science ,Scopus
Divisions: معاونت تحقیقات و فناوری
Depositing User: GOUMS
Date Deposited: 10 Sep 2016 08:12
Last Modified: 10 Sep 2016 08:12
URI: http://eprints.goums.ac.ir/id/eprint/4789

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