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

页码：K7 / K12

页数：6

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