Journal article 1038 views
Magnetised positronium
Journal of Physics: Conference Series, Volume: 199
Swansea University Authors: Helmut Telle, Michael Charlton, Dirk van der Werf , Christopher Baker , Aled Isaac
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DOI (Published version): 10.1088/1742-6596/199/1/012005
Abstract
Magnetised positronium is formed by impacting low energy positrons onto a gas covered target immersed in a magnetic field (B ≥ 1T). The resulting weakly bound positronium atoms subsequently travel some distance in an arrangement of Penning-type traps whereupon they can be field ionised. The remnant...
Published in: | Journal of Physics: Conference Series |
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ISSN: | 1742-6596 |
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2010
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URI: | https://cronfa.swan.ac.uk/Record/cronfa7174 |
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2019-06-13T17:53:57.2197549 v2 7174 2012-02-23 Magnetised positronium 7f645d598f0afb573309bc5f86ea46fa Helmut Telle Helmut Telle true false d9099cdd0f182eb9a1c8fc36ed94f53f Michael Charlton Michael Charlton true false 4a4149ebce588e432f310f4ab44dd82a 0000-0001-5436-5214 Dirk van der Werf Dirk van der Werf true false 0c72afb63bd0c6089fc5b60bd096103e 0000-0002-9448-8419 Christopher Baker Christopher Baker true false 06d7ed42719ef7bb697cf780c63e26f0 0000-0002-7813-1903 Aled Isaac Aled Isaac true false 2012-02-23 FGSEN Magnetised positronium is formed by impacting low energy positrons onto a gas covered target immersed in a magnetic field (B ≥ 1T). The resulting weakly bound positronium atoms subsequently travel some distance in an arrangement of Penning-type traps whereupon they can be field ionised. The remnant positrons are accumulated and then detected by forced annihilation on the target. The production efficiency of the magnetised atoms has been measured for different species of gases, gas layer thickness and the strength of the magnetic field. The positronium loss as a function of the distance travelled has been measured and is shown to be caused by the magnetron drift of the positronium atom. Journal Article Journal of Physics: Conference Series 199 1742-6596 31 12 2010 2010-12-31 10.1088/1742-6596/199/1/012005 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2019-06-13T17:53:57.2197549 2012-02-23T17:01:48.0000000 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics D P van der Werf 1 C J Baker 2 D C S Beddows 3 P R Watkeys 4 C A Isaac 5 S J Kerrigan 6 M Charlton 7 H H Telle 8 Helmut Telle 9 Michael Charlton 10 Dirk van der Werf 0000-0001-5436-5214 11 Christopher Baker 0000-0002-9448-8419 12 Aled Isaac 0000-0002-7813-1903 13 |
title |
Magnetised positronium |
spellingShingle |
Magnetised positronium Helmut Telle Michael Charlton Dirk van der Werf Christopher Baker Aled Isaac |
title_short |
Magnetised positronium |
title_full |
Magnetised positronium |
title_fullStr |
Magnetised positronium |
title_full_unstemmed |
Magnetised positronium |
title_sort |
Magnetised positronium |
author_id_str_mv |
7f645d598f0afb573309bc5f86ea46fa d9099cdd0f182eb9a1c8fc36ed94f53f 4a4149ebce588e432f310f4ab44dd82a 0c72afb63bd0c6089fc5b60bd096103e 06d7ed42719ef7bb697cf780c63e26f0 |
author_id_fullname_str_mv |
7f645d598f0afb573309bc5f86ea46fa_***_Helmut Telle d9099cdd0f182eb9a1c8fc36ed94f53f_***_Michael Charlton 4a4149ebce588e432f310f4ab44dd82a_***_Dirk van der Werf 0c72afb63bd0c6089fc5b60bd096103e_***_Christopher Baker 06d7ed42719ef7bb697cf780c63e26f0_***_Aled Isaac |
author |
Helmut Telle Michael Charlton Dirk van der Werf Christopher Baker Aled Isaac |
author2 |
D P van der Werf C J Baker D C S Beddows P R Watkeys C A Isaac S J Kerrigan M Charlton H H Telle Helmut Telle Michael Charlton Dirk van der Werf Christopher Baker Aled Isaac |
format |
Journal article |
container_title |
Journal of Physics: Conference Series |
container_volume |
199 |
publishDate |
2010 |
institution |
Swansea University |
issn |
1742-6596 |
doi_str_mv |
10.1088/1742-6596/199/1/012005 |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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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 |
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description |
Magnetised positronium is formed by impacting low energy positrons onto a gas covered target immersed in a magnetic field (B ≥ 1T). The resulting weakly bound positronium atoms subsequently travel some distance in an arrangement of Penning-type traps whereupon they can be field ionised. The remnant positrons are accumulated and then detected by forced annihilation on the target. The production efficiency of the magnetised atoms has been measured for different species of gases, gas layer thickness and the strength of the magnetic field. The positronium loss as a function of the distance travelled has been measured and is shown to be caused by the magnetron drift of the positronium atom. |
published_date |
2010-12-31T03:08:54Z |
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1763749851801059328 |
score |
11.016235 |