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PERSENTASE DOSIS KEDALAMAN (PERCENTAGE DEPTH DOSE) DENGAN PESAWAT TELETERAPI COBALT-60 FCC 8000 F DI RSUP SANGLAH DENPASAR Grace Christine Djara; Ni Nyoman Ratini; I Wayan Balik Sudarsana
BULETIN FISIKA Vol 16 No 1 (2015): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

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Abstract

Successful implementation of treatment using Cobalt-60 8000 F FCC, strongly influenced the precision and accuracy of the implementation is largely determined by the data PDD. Based on the research the value of PDD at a depth of 0 cm with a broad range of the field is at 39.7% - 48.5%, while the maximum value reached 100%  PDD found at a depth of 0.5 cm. The amount of deviation between the results of a study of the data and BJR Sanglah reached 5% at a depth of 8 cm by 6 cm wide field x 6 cm and 8 cm x 8 cm, and the smallest deviation value of 0.1% found in a wide field 6 cm x 6 cm with depth 7 cm.keywords: cobalt-60, the percentage depth dose, dispersion values