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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Use of silicon surface-barrier detectors for neutron detection

Fairburn, George Thomas January 1961 (has links)
The objects of this research to construct the necessary equipment for use with the solid stets surface-barrier detectors employed neutron detectors. This research also had the ultimate aim of showing the possibility of producing a neutron spectrometer using the proton recoil telescope with the surface-barrier detector. These objects were fulfilled. From the results with the protein recoil telescope, there is a possibility of producing a neutron spectrometer using the proton recoil telescope and surface-barrier detectors. However, if s thinner radiator were employed, the energy spread of the recoiling protons would be less end ultimately improve the resolution. The radiator in this trial had a large -dE/dx for protons and caused considerably straggling in the proton energy. Besides the straggling produced by the radiator there was some effect on energy spread by the collimator. A collimator with essentially an infinite number of baffles was used, since it consisted of a hole drilled through the collimator material. If the number of baffles were decreased, the possibility of protons being scattered from the collimator walls and benign detected, but at a lower energy, would be eliminated. With this batter collimation there will be a smaller solid angle and ultimately better resolution. Evacuating the chamber should also improve the resolution. Thus with some improvements, the present equipment could be changed into a neutron spectrometer with good energy resolution. / Master of Science

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