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Development and study of luminescent bolometers for neutrino physics
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 30 credits / 45 HE creditsStudent thesis
Abstract [en]

This Master thesis aims at designing, assembling and operating a prototypal luminescentbolometer containing a candidate with high Q-value (116Cd and 100Mo)for the study of the neutrinoless double- decay. The crystal is scintillating (with 116CdWO4 and Li2MoO4 compounds). The prototype is designed according to a simple thermal model and cooled down to 18 mK.

Data analysis of the 116CdWO4 crystal determines the energy resolution (intrinsicand in the ROI) and the alpha/beta discrimination power. It includes a full interpretation of the background energy spectrum in terms of environmental radioactivity and an evaluation of the crystal radiopurity by the detection of internal contamination of the detector.

An evaluation of the potential of a future experiment based on the 116CdWO4developed prototype is performed, ascertaining the feasibility of large scale experiments to search for neutrinoless double beta decay. The use of the thermal model of the detector response to interpret its bolometric behaviour and the study of future optimizations of the detector performance concludes this project.

Place, publisher, year, edition, pages
2017. , p. 122
Keywords [en]
Neutrinoless double beta decay, bolometer, scintillating bolometer, leptogenesis, neutrino, cryostat, radioactivity
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:lnu:diva-60660OAI: oai:DiVA.org:lnu-60660DiVA, id: diva2:1073804
External cooperation
Università degli Studi dell'Insubria
Subject / course
Physics
Educational program
Physics, masterprogramme, 120 credits
Presentation
(English)
Supervisors
Examiners
Available from: 2017-03-06 Created: 2017-02-13 Last updated: 2017-03-06Bibliographically approved

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Gimbal-Zofka, Yann
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf