Determination of the fission half-life for the isotope 250No

My Master Thesis is titled “Determination of the fission half-life for the isotope 250No”. The data I analyse in this work were collected in an experiment run in April, 2015, at the accelerator laboratory of the University of Jyväskylä. The Physics motivation for the experiment is explained...

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Main Author: Defranchi Bisso, Federica
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: 2016
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/51409
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author Defranchi Bisso, Federica
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_facet Defranchi Bisso, Federica Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto Defranchi Bisso, Federica Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_sort Defranchi Bisso, Federica
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description My Master Thesis is titled “Determination of the fission half-life for the isotope 250No”. The data I analyse in this work were collected in an experiment run in April, 2015, at the accelerator laboratory of the University of Jyväskylä. The Physics motivation for the experiment is explained in my thesis, as well as the involved theoretical background. This isotope was previously proven to decay via spontaneous fission. Also an isomeric state was found. The question I give an answer to in my work is whether the isomeric state fissions directly or it gamma-decays to the ground state, which then fissions itself. Besides both half-lives (for the ground state and the isomeric state) were calculated. The data acquisition was performed both with analogic and digital channels, allowing to extrapolate decay digital traces. Given that two different half-life components are present, a shorter one for the ground state and a longer one for the isomeric state, I utilized a K.H.Schmidt analysis to separate the two components. The traces for the short component were instead analysed with a moving window deconvolution method. I found new and very interesting results, with great satisfaction of myself and my supervisor, who would like to publish them afterwards.
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The data I analyse in this work were collected in an experiment\r\n\r\nrun in April, 2015, at the accelerator laboratory of the University of Jyv\u00e4skyl\u00e4.\r\n\r\nThe Physics motivation for the experiment is explained in my thesis, as well as\r\n\r\nthe involved theoretical background.\r\n\r\nThis isotope was previously proven to decay via spontaneous fission. Also an\r\n\r\nisomeric state was found. The question I give an answer to in my work is\r\n\r\nwhether the isomeric state fissions directly or it gamma-decays to the ground\r\n\r\nstate, which then fissions itself. Besides both half-lives (for the ground state and\r\n\r\nthe isomeric state) were calculated.\r\n\r\nThe data acquisition was performed both with analogic and digital channels,\r\n\r\nallowing to extrapolate decay digital traces. Given that two different half-life\r\n\r\ncomponents are present, a shorter one for the ground state and a longer one for\r\n\r\nthe isomeric state, I utilized a K.H.Schmidt analysis to separate the two\r\n\r\ncomponents. The traces for the short component were instead analysed with a\r\n\r\nmoving window deconvolution method.\r\n\r\nI found new and very interesting results, with great satisfaction of myself and my\r\n\r\nsupervisor, who would like to publish them afterwards.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Federica Defranchi Bisso (fedefran) on 2016-09-20 13:30:15.960943. Form: Master's Thesis publishing form (https://kirjasto.jyu.fi/publish-and-buy/publishing-forms/masters-thesis-publishing-form). 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spellingShingle Defranchi Bisso, Federica Determination of the fission half-life for the isotope 250No Fysiikka Physics 4021 fissio isotoopit
title Determination of the fission half-life for the isotope 250No
title_full Determination of the fission half-life for the isotope 250No
title_fullStr Determination of the fission half-life for the isotope 250No Determination of the fission half-life for the isotope 250No
title_full_unstemmed Determination of the fission half-life for the isotope 250No Determination of the fission half-life for the isotope 250No
title_short Determination of the fission half-life for the isotope 250No
title_sort determination of the fission half life for the isotope 250no
title_txtP Determination of the fission half-life for the isotope 250No
topic Fysiikka Physics 4021 fissio isotoopit
topic_facet 4021 Fysiikka Physics fissio isotoopit
url https://jyx.jyu.fi/handle/123456789/51409 http://www.urn.fi/URN:NBN:fi:jyu-201609204151
work_keys_str_mv AT defranchibissofederica determinationofthefissionhalflifefortheisotope250no