A position-sensitive surface-barrier Si(Li) detector for low energy γ rays

U. Biebl, F. Parak

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A checker-board surface-barrier Si(Li) detector for low energy γ rays is described together with its read-out system. The counter has 64 elements of 2×5 mm2 each, but requires only 16 electronic circuits for the read out through the use of coincidence techniques. Energy resolution (<2 keV fwhm), counting rate efficiency (>95%) and background (<0.01 cpm/keV/element) for 14.4-keV γ rays are essentially the same for all elements. The response of the counter to radiation falling between two elements has been studied and causes no problems. Such a detector, modified in element geometry for protein structure analysis, shows similar characteristics.

Original languageEnglish
Pages (from-to)455-461
Number of pages7
JournalNuclear Instruments and Methods
Volume112
Issue number3
DOIs
StatePublished - 15 Oct 1973

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