Magnetised positronium

van, D P; Baker, C J; S, D C; Watkeys, P R; Isaac, C A; Kerrigan, S J; Charlton, M; Telle, H H; Telle, Helmut; Charlton, Michael; der, Dirk van; Baker, Christopher; Isaac, Aled

doi:10.1088/1742-6596/199/1/012005

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Magnetised positronium

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

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...

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Published in:	Journal of Physics: Conference Series
ISSN:	1742-6596
Published:	2010
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa7174
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first_indexed	2013-07-23T11:57:29Z
last_indexed	2019-06-13T19:05:06Z
id	cronfa7174
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spelling	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
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
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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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score	11.013194

Magnetised positronium

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