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An experimental study of positron moderation and accumulation and the laser ionisation of positroniumKerrigan, Serena Jayne January 2011 (has links)
No description available.
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Positronium formation at surfaces and studies towards the production of low energy antihydrogenCassidy, David Barry January 1999 (has links)
No description available.
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Observation of positronium spin rotation in silica aerogel范詩雲, Fan, Sewan. January 1995 (has links)
published_or_final_version / Physics / Master / Master of Philosophy
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Ultrasoft Contribution to the Positronium Hyperfine SplittingMarcu, Simona Rahela Unknown Date
No description available.
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Observation of positronium spin rotation in silica aerogel /Fan, Sewan. January 1995 (has links)
Thesis (Ph. D.)--University of Hong Kong, 1995. / Includes bibliographical references.
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Electron-positron pair winds /Moscoso, Michael Douglas, January 1999 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 1999. / Vita. Includes bibliographical references (leaves 233-242). Available also in a digital version from Dissertation Abstracts.
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Measurement of the decay rate of the negative positronium ionFleischer, Frank. Unknown Date (has links) (PDF)
University, Diss., 2005--Heidelberg.
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Variational Calculations of Positronium Scattering with HydrogenWoods, Denton 12 1900 (has links)
Positronium-hydrogen (Ps-H) scattering is of interest, as it is a fundamental four-body Coulomb problem. We have investigated low-energy Ps-H scattering below the Ps(n=2) excitation threshold using the Kohn variational method and variants of the method with a trial wavefunction that includes highly correlated Hylleraas-type short-range terms. We give an elegant formalism that combines all Kohn-type variational methods into a single form. Along with this, we have also developed a general formalism for Kohn-type matrix elements that allows us to evaluate arbitrary partial waves with a single codebase. Computational strategies we have developed and use in this work will also be discussed.With these methods, we have computed phase shifts for the first six partial waves for both the singlet and triplet states. The 1S and 1P phase shifts are highly accurate results and could potentially be viewed as benchmark results. Resonance positions and widths for the 1S-, 1P-, 1D-, and 1F-waves have been calculated.We present elastic integrated, elastic differential, and momentum transfer cross sections using all six partial waves and note interesting features of each. We use multiple effective range theories, including several that explicitly take into account the long-range van der Waals interaction, to investigate scattering lengths for the 1,3S and 1,3P partial waves and effective ranges for the 1,3S-wave.
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The temperature dependence of positronium formation in high density polyethyleneNahid, Farzana. January 2008 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2008. / Also available in print.
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The temperature dependence of positronium formation in high density polyethyleneNahid, Farzana. January 2008 (has links)
published_or_final_version / abstract / Physics / Doctoral / Doctor of Philosophy
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