GAMMA-IRRADIATION OF POLYETHYLENE STUDIED BY POSITRON-ANNIHILATION

被引：6
|
作者：
BRAUER, G [1 ]
HERTLE, W [1 ]
BALOGH, AG [1 ]
机构：
[1] HUNGARIAN ACAD SCI,CENT RES INST PHYS,H-1525 BUDAPEST,HUNGARY
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1988年 / 105卷 / 01期
关键词：
D O I：
10.1002/pssa.2211050136
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Investigations were performed on polyethylene of about 170 mg cm** minus **2 thickness. The equipment used for gamma -irradiation in air was either a **6**0Co source or irradiated fuel elements with dose rates of 0. 1 and 12. 5 kGy h** minus **1, respectively, up to doses of 1000 kGy. For positron lifetime measurements a conventional fast-slow coincidence circuit was used with a time resolution of 350 ps (FWHM) for **2**2Na energy windows. It was possible to describe the distinguishable influence of dose and dose rate by logarithmic functions.
引用
收藏
页码：K7 / K12
页数：6
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