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1999 | 95 | 4 | 448-454
Article title

Use of Energy Summing for Selection of Coincidence Events in Positron-Lifetime Spectroscopy

Content
Title variants
Languages of publication
EN
Abstracts
EN
A BaF_{2} positron-lifetime spectrometer equipped with a coincidence system that represents a compromise between the traditional fast-fast and fast-slow arrangements is described. The main difference of the present configuration from both the fast-slow and fast-fast ones consists in use of a sum of the energy signals from the start and stop detectors to select the coincidence events. Quality of the spectrometer response function (≈ 150 ps FWHM for ^{22}Na) is very close to that observed for our fast-slow configuration with the equivalent detectors but throughput of the present apparatus is increased almost by a factor of two. Moreover, the electronic scheme becomes less complicated, which has also a positive impact on its cost.
Keywords
EN
Year
Volume
95
Issue
4
Pages
448-454
Physical description
Dates
published
1999-04
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv95z402kz
Identifiers
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