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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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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
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URI: https://cronfa.swan.ac.uk/Record/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 COSCO 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 College of Science Central Office COLLEGE CODE COSCO Swansea University 2019-06-13T17:53:57.2197549 2012-02-23T17:01:48.0000000 College of Science 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 College of Science
hierarchytype
hierarchy_top_id collegeofscience
hierarchy_top_title College of Science
hierarchy_parent_id collegeofscience
hierarchy_parent_title College of Science
department_str Physics{{{_:::_}}}College of Science{{{_:::_}}}Physics
document_store_str 0
active_str 0
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 2010-12-31T03:19:10Z
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score 10.81997