Investigation of LaBr3(Ce) detectors at the RITU focal plane

The aims of this master thesis were to determine the absolute detection efficiency of the LaBr3(Ce) detectors installed at the RITU focal plane, to study the effect of planar Ge-detector on the LaBr3(Ce) efficiency and to investigate the possibility of half-life measurements with the detectors in a...

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Main Author: Nefodov, Oleksandr
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Fysiikan laitos, Department of Physics, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:eng
Published: 2015
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/46828
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author Nefodov, Oleksandr
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_facet Nefodov, Oleksandr Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto Nefodov, Oleksandr Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
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description The aims of this master thesis were to determine the absolute detection efficiency of the LaBr3(Ce) detectors installed at the RITU focal plane, to study the effect of planar Ge-detector on the LaBr3(Ce) efficiency and to investigate the possibility of half-life measurements with the detectors in a coincidence setup having distributed recoil ions produced by the RITU separator. Time spectra were collected by moving a point radioactive source from one edge of the implantation detector to the other to imitate the ion distribution from the RITU separator. Simulations have been exploited to explore the time spectra obtained from various ion distribution shapes and for different half-lives. A point source of 152Eu has been utilized to measure the half-life of the first 2+ state of 152Sm. The half-life obtained experimentally was equal to 1.39 ns± 0.08 ns, which agrees with the tabulated value.
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spellingShingle Nefodov, Oleksandr Investigation of LaBr3(Ce) detectors at the RITU focal plane gamma detection fast-timing LaBr3(Ce) detectors RITU separator Fysiikka Physics 4021
title Investigation of LaBr3(Ce) detectors at the RITU focal plane
title_full Investigation of LaBr3(Ce) detectors at the RITU focal plane
title_fullStr Investigation of LaBr3(Ce) detectors at the RITU focal plane Investigation of LaBr3(Ce) detectors at the RITU focal plane
title_full_unstemmed Investigation of LaBr3(Ce) detectors at the RITU focal plane Investigation of LaBr3(Ce) detectors at the RITU focal plane
title_short Investigation of LaBr3(Ce) detectors at the RITU focal plane
title_sort investigation of labr3 ce detectors at the ritu focal plane
title_txtP Investigation of LaBr3(Ce) detectors at the RITU focal plane
topic gamma detection fast-timing LaBr3(Ce) detectors RITU separator Fysiikka Physics 4021
topic_facet 4021 Fysiikka LaBr3(Ce) detectors Physics RITU separator fast-timing gamma detection
url https://jyx.jyu.fi/handle/123456789/46828 http://www.urn.fi/URN:NBN:fi:jyu-201509162882
work_keys_str_mv AT nefodovoleksandr investigationoflabr3cedetectorsattheritufocalplane