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The GBAR experiment

D. P. van der Werf, Dirk van der Werf Orcid Logo

International Journal of Modern Physics: Conference Series, Volume: 30, Start page: 1460263

Swansea University Author: Dirk van der Werf Orcid Logo

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DOI (Published version): 10.1142/S2010194514602634

Abstract

The classical Weak Equivalence Principle has not yet been tested using antimatter in matter gravitational fields. The GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment, recently approved by CERN, proposes to measure the free-fall accel- eration of antihydrogen. In this experiment, po...

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Published in: International Journal of Modern Physics: Conference Series
Published: 2014
URI: https://cronfa.swan.ac.uk/Record/cronfa19834
first_indexed 2015-01-03T02:58:59Z
last_indexed 2018-02-09T04:55:48Z
id cronfa19834
recordtype SURis
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spelling 2015-01-02T20:43:41.0164699 v2 19834 2015-01-02 The GBAR experiment 4a4149ebce588e432f310f4ab44dd82a 0000-0001-5436-5214 Dirk van der Werf Dirk van der Werf true false 2015-01-02 BGPS The classical Weak Equivalence Principle has not yet been tested using antimatter in matter gravitational fields. The GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment, recently approved by CERN, proposes to measure the free-fall accel- eration of antihydrogen. In this experiment, positive antihydrogen ions will be produced, and subsequently cooled down using laser cooled Be+ ions. Then, when a temperature of around 20 μK has been reached, the excess positron will be detached and the free-fall time will be measured using the antiproton annihilation products. An overview of the experiment will be given together with its present status. Journal Article International Journal of Modern Physics: Conference Series 30 1460263 Antimatter, antihydrogen, antiproton, positron, positronium, gravity 31 12 2014 2014-12-31 10.1142/S2010194514602634 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2015-01-02T20:43:41.0164699 2015-01-02T20:43:32.5300155 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics D. P. van der Werf 1 Dirk van der Werf 0000-0001-5436-5214 2
title The GBAR experiment
spellingShingle The GBAR experiment
Dirk van der Werf
title_short The GBAR experiment
title_full The GBAR experiment
title_fullStr The GBAR experiment
title_full_unstemmed The GBAR experiment
title_sort The GBAR experiment
author_id_str_mv 4a4149ebce588e432f310f4ab44dd82a
author_id_fullname_str_mv 4a4149ebce588e432f310f4ab44dd82a_***_Dirk van der Werf
author Dirk van der Werf
author2 D. P. van der Werf
Dirk van der Werf
format Journal article
container_title International Journal of Modern Physics: Conference Series
container_volume 30
container_start_page 1460263
publishDate 2014
institution Swansea University
doi_str_mv 10.1142/S2010194514602634
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
active_str 0
description The classical Weak Equivalence Principle has not yet been tested using antimatter in matter gravitational fields. The GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment, recently approved by CERN, proposes to measure the free-fall accel- eration of antihydrogen. In this experiment, positive antihydrogen ions will be produced, and subsequently cooled down using laser cooled Be+ ions. Then, when a temperature of around 20 μK has been reached, the excess positron will be detached and the free-fall time will be measured using the antiproton annihilation products. An overview of the experiment will be given together with its present status.
published_date 2014-12-31T00:48:35Z
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score 11.064692

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