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ALPHA: antihydrogen and fundamental physics

Niels Madsen Orcid Logo

Hyperfine Interactions

Swansea University Author: Niels Madsen Orcid Logo

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DOI (Published version): 10.1007/s10751-014-1031-x

Abstract

Detailed comparisons of antihydrogen with hydrogen promise to be a fruitful test bed of fundamental symmetries such as the CPT theorem for quantum field theory or studies of gravitational influence on antimatter. With a string of recent successes, starting with the first trapped antihydrogen and rec...

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Published in: Hyperfine Interactions
Published: 2014
URI: https://cronfa.swan.ac.uk/Record/cronfa18547
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first_indexed 2015-10-31T01:45:10Z
last_indexed 2018-02-09T04:53:16Z
id cronfa18547
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spelling 2015-10-30T09:41:18.1663354 v2 18547 2014-09-30 ALPHA: antihydrogen and fundamental physics e348e4d768ee19c1d0c68ce3a66d6303 0000-0002-7372-0784 Niels Madsen Niels Madsen true false 2014-09-30 SPH Detailed comparisons of antihydrogen with hydrogen promise to be a fruitful test bed of fundamental symmetries such as the CPT theorem for quantum field theory or studies of gravitational influence on antimatter. With a string of recent successes, starting with the first trapped antihydrogen and recently resulting in the first measurement of a quantum transition in anti-hydrogen, the ALPHA collaboration is well on its way to perform such precision comparisons. We will discuss the key innovative steps that have made these results possible and in particular focus on the detailed work on positron and antiproton preparation to achieve antihydrogen cold enough to trap as well as the unique features of the ALPHA apparatus that has allowed the first quantum transitions in anti-hydrogen to be measured with only a single trapped antihydrogen atom per experiment. We will also look at how ALPHA plans to step from here towards more precise comparisons of matter and antimatter. Journal Article Hyperfine Interactions Antihydrogen, ALPHA 19 2 2014 2014-02-19 10.1007/s10751-014-1031-x COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2015-10-30T09:41:18.1663354 2014-09-30T16:29:13.8935802 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Niels Madsen 0000-0002-7372-0784 1
title ALPHA: antihydrogen and fundamental physics
spellingShingle ALPHA: antihydrogen and fundamental physics
Niels Madsen
title_short ALPHA: antihydrogen and fundamental physics
title_full ALPHA: antihydrogen and fundamental physics
title_fullStr ALPHA: antihydrogen and fundamental physics
title_full_unstemmed ALPHA: antihydrogen and fundamental physics
title_sort ALPHA: antihydrogen and fundamental physics
author_id_str_mv e348e4d768ee19c1d0c68ce3a66d6303
author_id_fullname_str_mv e348e4d768ee19c1d0c68ce3a66d6303_***_Niels Madsen
author Niels Madsen
author2 Niels Madsen
format Journal article
container_title Hyperfine Interactions
publishDate 2014
institution Swansea University
doi_str_mv 10.1007/s10751-014-1031-x
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 0
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description Detailed comparisons of antihydrogen with hydrogen promise to be a fruitful test bed of fundamental symmetries such as the CPT theorem for quantum field theory or studies of gravitational influence on antimatter. With a string of recent successes, starting with the first trapped antihydrogen and recently resulting in the first measurement of a quantum transition in anti-hydrogen, the ALPHA collaboration is well on its way to perform such precision comparisons. We will discuss the key innovative steps that have made these results possible and in particular focus on the detailed work on positron and antiproton preparation to achieve antihydrogen cold enough to trap as well as the unique features of the ALPHA apparatus that has allowed the first quantum transitions in anti-hydrogen to be measured with only a single trapped antihydrogen atom per experiment. We will also look at how ALPHA plans to step from here towards more precise comparisons of matter and antimatter.
published_date 2014-02-19T03:21:45Z
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score 11.013776

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