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New Results For Positron Scattering From Noble Gas Atoms And Diatomic Molecules
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Book Synopsis New Results for Positron Scattering from Noble Gas Atoms and Diatomic Molecules by : Joan Phyllis Marler
Download or read book New Results for Positron Scattering from Noble Gas Atoms and Diatomic Molecules written by Joan Phyllis Marler and published by . This book was released on 2005 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Third International Workshop on Positron (Electron)-Gas Scattering, Wayne State University, Detroit, Michigan, July 16-18, 1985 by : Walter E. Kauppila
Download or read book Proceedings of the Third International Workshop on Positron (Electron)-Gas Scattering, Wayne State University, Detroit, Michigan, July 16-18, 1985 written by Walter E. Kauppila and published by . This book was released on 1986 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Energy Positron Scattering from Atoms and Molecules by : Joshua Reuben Machacek
Download or read book Low Energy Positron Scattering from Atoms and Molecules written by Joshua Reuben Machacek and published by . This book was released on 2013 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low energy positron scattering has been conducted for over 40 years and large discrepancies (> 20%) in the measured cross sections have plagued both experimental and theoretical results. The advent of the Surko buffer-gas trap has provided for sufficiently large numbers of positrons, with previously unmatched angular and energy distributions, which has allowed for the measurement of absolute cross sections with absolute uncertainties of less than 10%. Continual improvement of the experimental techniques has allowed for the separation of the partial scattering channels. These results are crucial for testing our theoretical understanding of the scattering process and for modeling of positron transport in complex systems. The experiments reported in this thesis used a scattering apparatus which incorporated a radiative sodium-22 source of positrons that were moderated using solid neon and cooled further by a Surko buffer-gas trap. Those positrons were subsequently scattered from various atomic and molecular gases in a cylindrical scattering cell. Scattered and unscattered positrons emerging from the scattering cell were energy analysed with a retarding potential analyser to determine their energy loss, which enabled the determination of various scattering cross sections. Absolute elastic differential, grand total, total elastic, total inelastic and positronium formation scattering cross sections for energies between 1 and 200 eV are presented for a number of atomic and molecular species. Where possible, knowledge of the experimental limitations are combined with theoretical calculations to estimate the amount of the angular scattering missed due to the finite angular resolution of the experiment. Comparison of both grand total and partial total cross sections are compared to a number of theoretical calculations and previous experimental results, again where possible. A rotating electric field, or 'rotating-wall' electrode, was implemented to increase the central density of the positron beam. The operational phase space was explored in the context of the standard running parameters of this Surko-trap system used for atomic and molecular scattering experiments. Mechanisms for compression are reviewed in the context of applicability to the operational parameters of the trap and in the understanding of the dominant mechanism. The limitations in the implementation are discussed in regard to scattering experiments from atoms and molecules.
Book Synopsis Positron Scattering in Gases by : John W. Humberston
Download or read book Positron Scattering in Gases written by John W. Humberston and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first conference in this series, devoted principally to the interaction of positrons in gases, was held at York University, Toronto, in July 1981 immediately preceding the XII ICPEAC in Gatlinburg, and the proceedings were published in the Canadian Journal of Physics, volume 60 (1982). So successful was this meeting that the decision was taken to hold a second one around the time of XIII ICPEAC in Berlin in 1983. London was clearly a convenient location but, rather than the obvious choice of University College London in central London, the Organising Committee decided that the beautiful and peaceful surroundings of Royal Holloway College would provide a more pleasant and intimate atmosphere for a small meeting. Even a small conference requires substantial sums of money to pay the expenses of invited speakers and when considering possible sources of funds the Organising Committee recognised that the intended format of the meeting and the international composition of the participants made it appropriate to apply to the NATO Science Committee for support under the Advanced Research Workshop Programme. This was one of the few successful applications made this year, and so it was that the conference became the 'NATO Advanced Research Workshop on Positron Scattering in Gases'. The Workshop, with approximately sixty participants, started after lunch on 19 July, 1983 and finished at mid-day on 23 July.
Book Synopsis Positron (Electron): Gas Scattering - Proceedings Of The 3rd International Workshop by : Walter E Kauppila
Download or read book Positron (Electron): Gas Scattering - Proceedings Of The 3rd International Workshop written by Walter E Kauppila and published by World Scientific. This book was released on 1986-04-01 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: This workshop discusses the current state and future directions of research in positron — gas scattering, particularly in the relationship between positron and electron scattering by the same atoms and molecules. The possible applications of positron — gas scattering to astrophysical phenomena have also been discussed.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1972-06 with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Walter E. Kauppila Publisher :World Scientific Publishing Company Incorporated ISBN 13 :9789971978976 Total Pages :353 pages Book Rating :4.9/5 (789 download)
Book Synopsis Proceedings of the Third International Workshop on Positron (Electron)-Gas Scattering, Wayne State University, Detroit, Michigan, July 16-18, 1985 by : Walter E. Kauppila
Download or read book Proceedings of the Third International Workshop on Positron (Electron)-Gas Scattering, Wayne State University, Detroit, Michigan, July 16-18, 1985 written by Walter E. Kauppila and published by World Scientific Publishing Company Incorporated. This book was released on 1986 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Scattering by Positronium and the Noble Gases by : Sharon Gilmore
Download or read book Positron Scattering by Positronium and the Noble Gases written by Sharon Gilmore and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards by :
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2008 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Journal of Chemical Physics by :
Download or read book The Journal of Chemical Physics written by and published by . This book was released on 1975-12 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindex written by and published by . This book was released on 1996 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physical Review & Physical Review Letters: M-Z by : Nichigai Asoshiētsu
Download or read book Physical Review & Physical Review Letters: M-Z written by Nichigai Asoshiētsu and published by . This book was released on 1974 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron and Positron Scattering in Atomic and Molecular Gases by : David Darryl Reid
Download or read book Electron and Positron Scattering in Atomic and Molecular Gases written by David Darryl Reid and published by . This book was released on 1995 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: