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Antihydrogen studies in ALPHA

N Madsen, Niels Madsen Orcid Logo

Journal of Physics: Conference Series, Volume: 770, Start page: 012021

Swansea University Author: Niels Madsen Orcid Logo

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DOI (Published version): 10.1088/1742-6596/770/1/012021

Abstract

he ALPHA experiment studies antihydrogen as a means to investigate the symmetry of matter and antimatter. Spectroscopic studies of the anti-atom hold the promise of the most precise direct comparisons of matter and antimatter possible. ALPHA was the first to trap antihydrogen in a magnetic trap, all...

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Published in: Journal of Physics: Conference Series
ISSN: 1742-6588 1742-6596
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa31511
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first_indexed 2016-12-16T14:50:13Z
last_indexed 2018-02-09T05:18:30Z
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spelling 2016-12-22T11:36:24.4889650 v2 31511 2016-12-16 Antihydrogen studies in ALPHA e348e4d768ee19c1d0c68ce3a66d6303 0000-0002-7372-0784 Niels Madsen Niels Madsen true false 2016-12-16 SPH he ALPHA experiment studies antihydrogen as a means to investigate the symmetry of matter and antimatter. Spectroscopic studies of the anti-atom hold the promise of the most precise direct comparisons of matter and antimatter possible. ALPHA was the first to trap antihydrogen in a magnetic trap, allowing the first ever detection of atomic transitions in an anti-atom. More recently, through stochastic heating, we have also been able to put a new limit on the charge neutrality of antihydrogen. ALPHA is currently preparing to perform the first laser-spectroscopy of antihydrogen, hoping to excite the 2s state using a two-photon transition from the 1s state. We discuss the recent results as well as the key developments that led to these successes and discuss how we are preparing to perform the first laser-spectroscopy. We will also discuss plans to use our novel technique for gravitational tests on antihydrogen for a direct measurement of the sign of the gravitational force on antihydrogen. Journal Article Journal of Physics: Conference Series 770 012021 1742-6588 1742-6596 Antihydrogen, Spectroscopy, CPT, Fundamental Symmetries, Laser Spectroscopy 9 12 2016 2016-12-09 10.1088/1742-6596/770/1/012021 http://iopscience.iop.org/article/10.1088/1742-6596/770/1/012021 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-12-22T11:36:24.4889650 2016-12-16T12:44:55.1073639 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics N Madsen 1 Niels Madsen 0000-0002-7372-0784 2 0031511-22122016113445.pdf MadsenAntihydrogenVOR.pdf 2016-12-22T11:34:45.1300000 Output 1773801 application/pdf Version of Record true 2016-12-22T00:00:00.0000000 Content from this work may be used under the terms of theCreative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. true
title Antihydrogen studies in ALPHA
spellingShingle Antihydrogen studies in ALPHA
Niels Madsen
title_short Antihydrogen studies in ALPHA
title_full Antihydrogen studies in ALPHA
title_fullStr Antihydrogen studies in ALPHA
title_full_unstemmed Antihydrogen studies in ALPHA
title_sort Antihydrogen studies in ALPHA
author_id_str_mv e348e4d768ee19c1d0c68ce3a66d6303
author_id_fullname_str_mv e348e4d768ee19c1d0c68ce3a66d6303_***_Niels Madsen
author Niels Madsen
author2 N Madsen
Niels Madsen
format Journal article
container_title Journal of Physics: Conference Series
container_volume 770
container_start_page 012021
publishDate 2016
institution Swansea University
issn 1742-6588
1742-6596
doi_str_mv 10.1088/1742-6596/770/1/012021
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
url http://iopscience.iop.org/article/10.1088/1742-6596/770/1/012021
document_store_str 1
active_str 0
description he ALPHA experiment studies antihydrogen as a means to investigate the symmetry of matter and antimatter. Spectroscopic studies of the anti-atom hold the promise of the most precise direct comparisons of matter and antimatter possible. ALPHA was the first to trap antihydrogen in a magnetic trap, allowing the first ever detection of atomic transitions in an anti-atom. More recently, through stochastic heating, we have also been able to put a new limit on the charge neutrality of antihydrogen. ALPHA is currently preparing to perform the first laser-spectroscopy of antihydrogen, hoping to excite the 2s state using a two-photon transition from the 1s state. We discuss the recent results as well as the key developments that led to these successes and discuss how we are preparing to perform the first laser-spectroscopy. We will also discuss plans to use our novel technique for gravitational tests on antihydrogen for a direct measurement of the sign of the gravitational force on antihydrogen.
published_date 2016-12-09T03:38:31Z
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score 11.014067

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