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Measurement of fluence at the D-line fast neutron facility at iThemba LABS
Measurements of fluence were made for the neutron beams produced at the fast neutron beam facility of iThemba LABS, using an NE213 organic liquid scintillator detector and a 238U fission ionisation chamber. Neutron beams were produced by irradiating a 6 mm natural lithium target with pulsed proton b...
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| Format: | Thesis |
| Language: | English |
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Department of Physics
2015
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| _version_ | 1867613202841337856 |
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| access_status_str | Open Access |
| author | Musonza, Emmanuel Tapiwa |
| author2 | Buffler, Andy |
| author_browse | Buffler, Andy Musonza, Emmanuel Tapiwa |
| author_facet | Buffler, Andy Musonza, Emmanuel Tapiwa |
| author_sort | Musonza, Emmanuel Tapiwa |
| collection | Thesis |
| description | Measurements of fluence were made for the neutron beams produced at the fast neutron beam facility of iThemba LABS, using an NE213 organic liquid scintillator detector and a 238U fission ionisation chamber. Neutron beams were produced by irradiating a 6 mm natural lithium target with pulsed proton beams obtained from the k = 200 separated sector cyclotron. Three incident proton beam energies were used in this work, namely 65.99 MeV, 99.44 MeV and 203.33 MeV. From time-of-flight measurements with the NE213 scintillator, the spectral fluence of the neutron beams was obtained. Pulse shape discrimination was used to correct for gamma ray induced signals in the NE213 detector. Simultaneous measurements of the neutron beam flux were performed at 0° and 16°. The 238U detector was used to obtain peak fluence measurements relative to the 238U(n,f) cross section. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/11415 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:24.523Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2015 |
| publishDateRange | 2015 |
| publishDateSort | 2015 |
| publisher | Department of Physics |
| publisherStr | Department of Physics |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/11415 Measurement of fluence at the D-line fast neutron facility at iThemba LABS Musonza, Emmanuel Tapiwa Buffler, Andy Physics Measurements of fluence were made for the neutron beams produced at the fast neutron beam facility of iThemba LABS, using an NE213 organic liquid scintillator detector and a 238U fission ionisation chamber. Neutron beams were produced by irradiating a 6 mm natural lithium target with pulsed proton beams obtained from the k = 200 separated sector cyclotron. Three incident proton beam energies were used in this work, namely 65.99 MeV, 99.44 MeV and 203.33 MeV. From time-of-flight measurements with the NE213 scintillator, the spectral fluence of the neutron beams was obtained. Pulse shape discrimination was used to correct for gamma ray induced signals in the NE213 detector. Simultaneous measurements of the neutron beam flux were performed at 0° and 16°. The 238U detector was used to obtain peak fluence measurements relative to the 238U(n,f) cross section. 2015-01-05T07:09:06Z 2015-01-05T07:09:06Z 2011 Master Thesis Masters MSc http://hdl.handle.net/11427/11415 eng application/pdf Department of Physics Faculty of Science University of Cape Town |
| spellingShingle | Physics Musonza, Emmanuel Tapiwa Measurement of fluence at the D-line fast neutron facility at iThemba LABS |
| thesis_degree_str | Master's |
| title | Measurement of fluence at the D-line fast neutron facility at iThemba LABS |
| title_full | Measurement of fluence at the D-line fast neutron facility at iThemba LABS |
| title_fullStr | Measurement of fluence at the D-line fast neutron facility at iThemba LABS |
| title_full_unstemmed | Measurement of fluence at the D-line fast neutron facility at iThemba LABS |
| title_short | Measurement of fluence at the D-line fast neutron facility at iThemba LABS |
| title_sort | measurement of fluence at the d line fast neutron facility at ithemba labs |
| topic | Physics |
| url | http://hdl.handle.net/11427/11415 |
| work_keys_str_mv | AT musonzaemmanueltapiwa measurementoffluenceatthedlinefastneutronfacilityatithembalabs |