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Characterization of γ-rays at MAST
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Fysiska sektionen, Institutionen för fysik och astronomi, Tillämpad kärnfysik.
2019 (engelsk)Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
Abstract [en]

The γ-ray characterizing possibility of the neutron collimated flux monitor (in short, Neutron Camera) at the Mega Ampere Spherical Tokamak (MAST) is explored. Typically used to monitor neutron emission, the Neutron Camera has excellent neutron/γ-ray discrimination properties and thus presents the opportunity to measure spatially and temporally resolved γ-ray emission - a possibility of an additional fusion diagnostics method with already existing equipment. An Online Data Analysis (ODA) code was used to analyze the data on γ-rays from several plasma discharges with similar plasma parameters. A high statistics temporal distribution of the γ-ray emission and a lower statistics spatial distribution were analyzed. However, the low energy resolution and range for the Neutron Camera γ-ray measurements revealed few conclusive results on the origin of the higher energy γ-rays. Detection systems with higher energy resolution and range are suggested for an extensive analysis of γ-ray emission at MAST Upgrade.

sted, utgiver, år, opplag, sider
2019. , s. 15
Serie
FYSAST ; FYSKAND1101
Emneord [en]
fusion, MAST, MAST upgrade, neutron collimated flux monitor, neutron camera, gamma-ray
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-388424OAI: oai:DiVA.org:uu-388424DiVA, id: diva2:1333081
Utdanningsprogram
Bachelor Programme in Physics
Veileder
Examiner
Tilgjengelig fra: 2019-07-02 Laget: 2019-06-29 Sist oppdatert: 2019-07-02bibliografisk kontrollert

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