G-VALUE DETERMINATION OF FRICKE DOSEMETER FOR 50 KVP X-RAYS

被引：5

作者：

GEISSELS.J

KARZMARK, CJ

机构：

[1] Department of Radiology, Stanford University, School of Medicine, Palo Alto, CA

来源：

PHYSICS IN MEDICINE AND BIOLOGY | 1969年 / 14卷 / 01期

关键词：

D O I：

10.1088/0031-9155/14/1/308

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The Fricke ferrous sulphate dosemeter has been calibrated against a plane-parallel extrapolation chamber for 60 kvp x-rays, HVL 0.20 mm Al, apparent quantum energy 12 kev. The energy absorbed in the Fricke dosemeter was assessed by the 'relative effective density' method of Loevinger and Yaniv. A tabulation of errors, systematic and random, inherent in these measurements, has been made, end their effects evaluated. A value of GFe+++ = 14.63 ± 0.26 was obtained.

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页码：61 / &

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