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UBC Theses and Dissertations
Epithermal muons from solid rare-gas moderators Morris, Gerald D
Abstract
Emission of positive muons (μ⁺) of low kinetic energy, with yield peaked at 5 to 20 electron volts and slowly decreasing to higher energy, has been observed by moderating a muon beam (p~28MeV/c, Δp/p~4%) with solid argon, krypton and xenon moderators. Emission at these energies is consistent with the muons escaping the target material still carrying part of their initial kinetic energy. The underlying cause of this enhancement of low energy positive muons is not determined. Variation of charge-exchange, elastic or inelastic collision cross sections with energy, resulting in an increased charged fraction or greater mean free path for muons at these energies, are possible causes.
Item Metadata
| Title |
Epithermal muons from solid rare-gas moderators
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| Creator | |
| Publisher |
University of British Columbia
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| Date Issued |
1990
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| Description |
Emission of positive muons (μ⁺) of low kinetic energy, with yield peaked at 5 to 20 electron volts and slowly decreasing to higher energy, has been observed by moderating
a muon beam (p~28MeV/c, Δp/p~4%) with solid argon, krypton and xenon moderators. Emission at these energies is consistent with the muons escaping the target
material still carrying part of their initial kinetic energy. The underlying cause of this enhancement of low energy positive muons is not determined. Variation of charge-exchange, elastic or inelastic collision cross sections with energy, resulting in an increased charged fraction or greater mean free path for muons at these energies, are possible causes.
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| Genre | |
| Type | |
| Language |
eng
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| Notes |
Title page of the thesis missing.
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| Date Available |
2010-11-09
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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| DOI |
10.14288/1.0084960
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| URI | |
| Degree | |
| Program | |
| Affiliation | |
| Degree Grantor |
University of British Columbia
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| Campus | |
| Scholarly Level |
Graduate
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| Aggregated Source Repository |
DSpace
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Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.