NEW EXTRUDED PLASTIC SCINTILLATOR

被引：0
|
作者：
Grynyov, B. V. [1 ]
Melnychuk, S. V. [1 ]
Senchyshyn, V. G. [1 ]
Adadurov, A. F. [1 ]
Lebedev, V. N. [1 ]
Khlapova, N. P. [1 ]
机构：
[1] NASU, Inst Scintillat Mat, Kharkov, Ukraine
来源：
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2006年 / 04期
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D O I：
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
In the article first we introduce main results of computer light collection simulation in "strip - WLS fiber" system. It was shown that Bulk Attenuation Length (BAL) significantly influence light yield in the range of 20...150 cm. Having studied existing methods of scintillating strip production - extrusion method and bulk polymerization - the concept of new technology was formulated. The new method flowchart and description of basic stages of production are introduced. Using pilot set more than 3000 scintillating strips with co-extruded cover were obtained and tested. The measuring of strip functional characteristics (BAL and light yield) are presented. For best strip samples there were achieved high transparency (BAL = 150 cM) and cover reflectivity (R = 95...96 %). Light yield of the new scintillating strips is up to 9 photoelectrons, that is 40...50 % more than for best world analogues.
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页码：231 / 234
页数：4
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