| Home | E-Submission | Sitemap | Contact Us |  
J Radiat Prot > Volume 13(1); 1988 > Article
Journal of Radiation Protection 1988;13(1):21-0.
6MV 전자 선형 가속기 광자선의 전자오염
Contamination of the 6MV Linear Accelerator Photon Beam by Electrons
Yoo, Meong-Jin;Kim, Dong-Won;Chung, Woon-Hyuk;
The 6 MV photon beam of a linear accelerator (Mevatron 67) was studied for electron contamination. The surface dose, attributable almost entirely to contamination electrons, has a linear dependence on field width for square fields and an inverse square dependence on distance from the bottom of the fixed head assembly. Build-up and surface dose measurements were taken with and without an acrylic blocking tray in place. Further measurements were made with a copper filter designed to reduce secondary electrons emitted by photon interactions with the acrylic tray. The results are discussed in relation to skin sparing effect for radiation therapy patients. To achieve the maximum skin sparing effect, the selection of the optimum SSD and TSD is needed.
PDF Links  PDF Links
Full text via DOI  Full text via DOI
Download Citation  Download Citation
Dissociation of Thymine by Low-Energy Electrons  2020 March;45(1)
Editorial Office
319, HIT, 22-2, Majo-ro, Seongdong-gu, Seoul 133-791, Korea
Tel: +82-2-2297-9775   Fax: +82-2-2297-9776
Email: jrpr.gkim@gmail.com, jrpr.editorial@gmail.com
About |  Browse Articles |  Current Issue |  For Authors and Reviewers
Copyright © by Korean Association for Radiation Protection. Developed in M2PI