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On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas

S Jonsell Orcid Logo, Michael Charlton

Journal of Physics B: Atomic, Molecular and Optical Physics, Volume: 54, Issue: 2, Start page: 025001

Swansea University Author: Michael Charlton

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DOI (Published version): 10.1088/1361-6455/abcded

Abstract

The binding energies of antihydrogen atoms formed when antiprotons are mixed with positron plasmas having densities ranging from 1013–1015 m−3, and at temperatures of 5–30 K, have been investigated using simulations. Major changes in the distribution of binding energies are observed, with more stron...

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Published in: Journal of Physics B: Atomic, Molecular and Optical Physics
ISSN: 0953-4075 1361-6455
Published: IOP Publishing 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa59237
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first_indexed 2022-01-25T10:52:21Z
last_indexed 2022-02-05T04:26:50Z
id cronfa59237
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spelling 2022-02-04T12:34:16.7855606 v2 59237 2022-01-25 On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas d9099cdd0f182eb9a1c8fc36ed94f53f Michael Charlton Michael Charlton true false 2022-01-25 FGSEN The binding energies of antihydrogen atoms formed when antiprotons are mixed with positron plasmas having densities ranging from 1013–1015 m−3, and at temperatures of 5–30 K, have been investigated using simulations. Major changes in the distribution of binding energies are observed, with more strongly bound states evident at the higher densities, and at lower temperatures. For deeper binding, the distribution of binding energies follows a power-law which is found to be strongly dependent upon plasma properties and the strength of the applied magnetic field. The underpinning role of collisions in determining the binding energies is explored. Journal Article Journal of Physics B: Atomic, Molecular and Optical Physics 54 2 025001 IOP Publishing 0953-4075 1361-6455 antihydrogen, antiprotons, binding energy, positron, plasma 5 2 2021 2021-02-05 10.1088/1361-6455/abcded COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University Swedish Research Council (VR) Grant No. 2017-03822 2022-02-04T12:34:16.7855606 2022-01-25T10:48:53.7027189 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics S Jonsell 0000-0003-4969-1714 1 Michael Charlton 2 59237__22210__34f7b09ad26e4caeb01da21a3db6a063.pdf pdf.pdf 2022-01-25T10:48:53.7025264 Output 1251788 application/pdf Version of Record true Released under the terms of the Creative Commons Attribution 3.0 licence true eng https://creativecommons.org/licenses/by/4.0/
title On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
spellingShingle On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
Michael Charlton
title_short On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
title_full On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
title_fullStr On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
title_full_unstemmed On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
title_sort On the binding energies of antihydrogen formed by the interactions of antiprotons in cold positron plasmas
author_id_str_mv d9099cdd0f182eb9a1c8fc36ed94f53f
author_id_fullname_str_mv d9099cdd0f182eb9a1c8fc36ed94f53f_***_Michael Charlton
author Michael Charlton
author2 S Jonsell
Michael Charlton
format Journal article
container_title Journal of Physics B: Atomic, Molecular and Optical Physics
container_volume 54
container_issue 2
container_start_page 025001
publishDate 2021
institution Swansea University
issn 0953-4075
1361-6455
doi_str_mv 10.1088/1361-6455/abcded
publisher IOP Publishing
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 1
active_str 0
description The binding energies of antihydrogen atoms formed when antiprotons are mixed with positron plasmas having densities ranging from 1013–1015 m−3, and at temperatures of 5–30 K, have been investigated using simulations. Major changes in the distribution of binding energies are observed, with more strongly bound states evident at the higher densities, and at lower temperatures. For deeper binding, the distribution of binding energies follows a power-law which is found to be strongly dependent upon plasma properties and the strength of the applied magnetic field. The underpinning role of collisions in determining the binding energies is explored.
published_date 2021-02-05T04:16:23Z
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score 10.949106

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