PALSRaM : A three-detector positron annihilation lifetime spectrometer for γ-emitting radioactive materials

Bes, René; Vancraeyenest, Aurélie

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PALSRaM : A three-detector positron annihilation lifetime spectrometer for γ-emitting radioactive materials

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Title:	PALSRaM : A three-detector positron annihilation lifetime spectrometer for γ-emitting radioactive materials
Author(s):	Bes, René ; Vancraeyenest, Aurélie
Date:	2023-07
Language:	en
Pages:	9 1-9
Department:	University of Helsinki Antimatter and Nuclear Engineering Department of Applied Physics
Series:	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 1052
ISSN:	0168-9002 1872-9576
DOI-number:	10.1016/j.nima.2023.168265
Keywords:	Positron Annihilation Lifetime Spectroscopy, Triple-coincidence
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Citation: Bes , R & Vancraeyenest , A 2023 , ' PALSRaM : A three-detector positron annihilation lifetime spectrometer for γ-emitting radioactive materials ' , Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , vol. 1052 , 168265 , pp. 1-9 . https://doi.org/10.1016/j.nima.2023.168265
Abstract: A three detector positron annihilation lifetime spectrometer for γ-emitting radioactive materials has been constructed and successfully tested. The equipment operates in triple-coincidence mode in order to reject the false coincidence due to the radioactive background generated when dealing with radioactive samples. The spectrometer has been optimized and tested by comparison of the results of well-known material with and without high background radiation. The time resolution of 155 ps is achieved. This paper reports on the design, stability and performance of this new spectrometer.

Description: Funding Information: This work was supported by the Helsinki Institute of Physics Technology programme within the GAMMA project. Publisher Copyright: © 2023 The Author(s)
Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-202304262862 Email this Export to RefWorks QR Code Print BibTex Tweet