PROPERTIES OF CSI AND CSI-TMAE PHOTOCATHODES

被引：67

作者：

ANDERSON, DF ^{[1
]}

KWAN, S ^{[1
]}

PESKOV, V ^{[1
]}

HOENEISEN, B ^{[1
]}

机构：

[1] UNIV SAN FRANCISCO QUITO,QUITO,ECUADOR

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1992年 / 323卷 / 03期

关键词：

D O I：

10.1016/0168-9002(92)90007-Q

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The importance of heating the CsI or CsI-TMAE photocathodes during preparation, as well as the importance of the gas environment on the quantum efficiency is presented. The dependence of the aging characteristics of these photocathodes on the operating temperature, on the presence of gas, and on the charge amplification of the chamber is also discussed. For CsI photocathodes charges in excess of 2 x 10(14) e-/mm2 can be collected with little degradation of performance. A timing resolution of 0.55 ns is also achieved for single photoelectrons suggesting a possible time-of-flight detector.

引用

收藏

页码：626 / 634

页数：9

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