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AMBER : a novel approach to neutrino mass measurement

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Thornby, John Albert (2008) AMBER : a novel approach to neutrino mass measurement. PhD thesis, University of Warwick.

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Official URL: http://webcat.warwick.ac.uk/record=b2258046~S1

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Abstract

The existence of neutrino oscillations demands that neutrinos have non-zero rest mass, the evidence for and implications of which are discussed. Nuclear B-decay is offered as a model-independent tool for direct neutrino mass measurement and contemporary experimental measurements are reviewed. The AMBER experiment is introduced as a novel charge spectrometer, aimed at precision electron energy measurements to probe the structure of the B-spectrum close to its endpoint. AMBER employs a vacuum insulated inverse Kelvin probe to continuously monitor a single rate-of-change observable. A detailed technical description of the technique is provided, followed by proof of principle demonstrations and an examination of hardware performance and its capability to provide sub-eV electron energy resolution. a first order B-spectrum reconstruction algorithm is described and applied to data from a Monte Carlo simulation of a highly idealised AMBER-like model experiment, in which important source scattering effects are neglected, and a calculation of the sensitivity to the neutrino mass is made. Finally the successes and shortcomings of the AMBER technique are discussed.

Item Type: Thesis (PhD)
Subjects: Q Science > QC Physics
Library of Congress Subject Headings (LCSH): Neutrinos -- Mass, Neutrinos -- Measurement
Official Date: September 2008
Dates:
DateEvent
September 2008Submitted
Institution: University of Warwick
Theses Department: Department of Physics
Thesis Type: PhD
Publication Status: Unpublished
Supervisor(s)/Advisor: Ramachers, Y.; Harrison, P. F.
Sponsors: Science and Technology Facilities Council (Great Britain) (STFC)
Extent: xvii, 204 pages.
Language: eng

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