FACULTY OF PHYSICS & ENGINEERING PHYSICS

DEPARTMENT OF NUCLEAR PHYSICS - NUCLEAR ENGINEERING - MEDICAL PHYSICS

 

Van‐Chung Cao, Thi Ly Nguyen, Thi Thu Hong Pham, Thi The Doan, Han‐Tuong Luc, Nhut‐Huan Phan, Giang T. T. Phan,  Trung H. Duong,  Hoai‐Nam Tran

Journal of Radioanalytical and Nuclear Chemistry

Abstract:

A treatment of dose nonuniformity inside Lo Ren and purple star apples irradiated by 10 MeV electron beam accelerator has been proposed by using medium density berboards (MDF). The dose uniformity ratios (DURs) inside the Lo Ren and purple star apples were estimated as 2.47–2.48 and 2.18–2.22, respectively. To reduce the DURs, the arrangement and the thickness of the MDF boards were determined by Monte Carlo simulations. Measurements of the absorbed doses have been conducted to compare with the simulations. The DURs were reduced to 1.36–1.39 and 1.44–1.46 for the Lo Ren and purple star apples, respectively.

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