Stability and performance characteristics of a digital positron lifetime spectrometer

被引：1

作者：

Aavikko, R ^{[1
]}

Rytsölä, K ^{[1
]}

Nissilä, J ^{[1
]}

Saarinen, K ^{[1
]}

机构：

[1] Helsinki Univ Technol, Phys Lab, Espoo 02015, Finland

来源：

ACTA PHYSICA POLONICA A | 2005年 / 107卷 / 04期

关键词：

D O I：

10.12693/APhysPolA.107.592

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We summarize the setup and performance tests or it digital positron lifetime spectrometer presently in routine use at HUT/Laboratory of Physics. The performance of the spectrometer is found to be equal to or butter than that of an analog spectrometer with similar detectors. We present also results on measuring the stability of the system, which is found to he similar to that of analog spectrometers: variation in the time-zero of the spectrometer is found to be approximate to 10 ps/week. We suggest that the remaining instabilities of the spectrometers originate primarily from the detectors.

引用

页码：592 / 597

页数：6

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