On the improvement of detection characteristics of trans-stilbene crystals by improving crystal perfection

被引：2

作者：

Arulchakkaravarthi, A

Kumar, R

Santhanaraghavan, P

Muralithar, S

Gopalakrishanan, R

Ramasamy, P ^{[1
]}

机构：

[1] Anna Univ, Crystal Growth Ctr, Madras 25, Tamil Nadu, India

[2] Ctr Nucl Sci, New Delhi 110067, India

[3] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu, Taiwan

[4] Anna Univ, Dept Phys, Madras 25, Tamil Nadu, India

来源：

MATERIALS RESEARCH INNOVATIONS | 2002年 / 6卷 / 5-6期

关键词：

trans-stilbene; crystal growth; Am-241; Cf-252; pulse shape discrimination; time resolution;

D O I：

10.1007/s10019-002-0210-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Organic molecular scintillating crystals are noted for their good timing and particle discrimination process. Trans-stilbene is one such candidate noted for its good particle detection characteristics for the past five decades. Progressive strengthening of detection characteristics of trans-stilbene has been attempted by improving crystal perfection. A series of timing resolution studies have been carried out for the Bridgman grown transstilbene crystals under different experimental conditions. The results were compared with the previously reported values. Pulse shape discrimination process has been carried out for Am-241 and Cf-252 sources and good discrimination has been obtained for gamma-alpha and gamma-neutron sources from the grown organic phosphor crystal.

引用

页码：273 / 276

页数：4

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