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Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms

R. Akbari, L. O. de Araujo Azevedo, Christopher Baker Orcid Logo, W. Bertsche, N. M. Bhatt Orcid Logo, G. Bonomi Orcid Logo, A. Capra Orcid Logo, I. Carli Orcid Logo, C. L. Cesar Orcid Logo, M. Charlton Orcid Logo, April Cridland Orcid Logo, A. Del Vincio, D. Duque Quiceno Orcid Logo, S. J. Eriksson, A. Evans, J. Ewins, J. Fajans Orcid Logo, T. Friesen, M. C. Fujiwara, L. M. Golino Orcid Logo, M. B. Gomes Gonçalves, J. S. Hangst Orcid Logo, M. E. Hayden, D. Hodgkinson Orcid Logo, C. A. Isaac, A. J. U. Jimenez Orcid Logo, S. A. Jones Orcid Logo, S. Jonsell Orcid Logo, Niels Madsen Orcid Logo, V. R. Marshall, J. T. K. McKenna, T. Momose Orcid Logo, J. Nauta Orcid Logo, A. N. Oliveira Orcid Logo, J. Peszka Orcid Logo, A. Powell Orcid Logo, C. Ø. Rasmussen Orcid Logo, T. Robertson-Brown Orcid Logo, F. Robicheaux Orcid Logo, R. L. Sacramento, E. Sarid, J. Schoonwater Orcid Logo, D. M. Silveira, J. Singh Orcid Logo, G. Smith Orcid Logo, C. So, S. Stracka Orcid Logo, J. Suh Orcid Logo, A. G. Swadling, T. D. Tharp, K. A. Thompson, R. I. Thompson Orcid Logo, E. Thorpe-Woods Orcid Logo, M. Urioni Orcid Logo, D. P. van der Werf Orcid Logo, P. Woosaree Orcid Logo, J. S. Wurtele Orcid Logo, Nishant Bhatt, Michael Charlton, Stefan Eriksson Orcid Logo, LUKAS GOLINO, Maria Gomes Goncalves, Aled Isaac Orcid Logo, Janko Nauta, JOANNA PESZKA, Tom Robertson-Brown, Joos Schoonwater, Kurt Thompson, EDWARD THORPE-WOODS, Dirk van der Werf

Nature Communications, Volume: 16, Issue: 1

Swansea University Authors: Christopher Baker Orcid Logo, April Cridland Orcid Logo, Niels Madsen Orcid Logo, Nishant Bhatt, Michael Charlton, Stefan Eriksson Orcid Logo, LUKAS GOLINO, Maria Gomes Goncalves, Aled Isaac Orcid Logo, Janko Nauta, JOANNA PESZKA, Tom Robertson-Brown, Joos Schoonwater, Kurt Thompson, EDWARD THORPE-WOODS, Dirk van der Werf

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DOI (Published version): 10.1038/s41467-025-65085-4

Abstract

Antihydrogen, the bound state of a positron and an antiproton, is the only pure anti-atomic system ever studied. It is produced exclusively in the laboratory, as it has never been observed in nature. This unique system is of great interest for searching for tentative differences between matter and a...

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Published in: Nature Communications
ISSN: 2041-1723
Published: Springer Science and Business Media LLC 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa70963
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It is produced exclusively in the laboratory, as it has never been observed in nature. This unique system is of great interest for searching for tentative differences between matter and antimatter. Antihydrogen has been routinely trapped since 2010 and accumulated since 2017, enabling, for example, the first precision spectroscopic study of the anti-atom in 2018 and the first observation of the influence of gravity in 2023. Here we report an eight-fold increase in the trapping rate of antihydrogen, enabled by sympathetic cooling of positrons with laser-cooled beryllium ions. With beryllium sympathetic cooling, we now accumulate over 15000 antihydrogen atoms in under seven hours. This technique transforms our ability to study systematic and sidereal effects in existing experiments while paving the way for studies that would otherwise remain out of reach. Journal Article Nature Communications 16 1 Springer Science and Business Media LLC 2041-1723 18 11 2025 2025-11-18 10.1038/s41467-025-65085-4 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee This work was supported by: CNPq, FAPERJ, RENAFAE (Brazil); NSERC, NRC/TRIUMF, EHPDS/EHDRS, CFI, DRAC (Canada); FNU (Nice Centre), Carlsberg Foundation (Denmark); STFC, EPSRC, the Royal Society and the Leverhulme Trust (UK); DOE, NSF (USA); ISF (Israel); and VR (Sweden). 2026-01-12T21:09:00.6933373 2025-11-22T13:24:22.7120111 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics R. Akbari 1 L. O. de Araujo Azevedo 2 Christopher Baker 0000-0002-9448-8419 3 W. Bertsche 4 N. M. Bhatt 0000-0003-0512-2384 5 G. Bonomi 0000-0003-1618-9648 6 A. Capra 0000-0001-9499-0380 7 I. Carli 0000-0002-0411-1141 8 C. L. Cesar 0000-0003-2638-0032 9 M. Charlton 0000-0002-9754-1932 10 April Cridland 0000-0003-4361-0266 11 A. Del Vincio 12 D. Duque Quiceno 0009-0000-4625-3757 13 S. J. Eriksson 14 A. Evans 15 J. Ewins 16 J. Fajans 0000-0002-4403-6027 17 T. Friesen 18 M. C. Fujiwara 19 L. M. Golino 0000-0001-7817-640x 20 M. B. Gomes Gonçalves 21 J. S. Hangst 0000-0001-5288-2330 22 M. E. Hayden 23 D. Hodgkinson 0000-0003-3410-5540 24 C. A. Isaac 25 A. J. U. Jimenez 0000-0001-6331-0266 26 S. A. Jones 0000-0001-8205-2186 27 S. Jonsell 0000-0003-4969-1714 28 Niels Madsen 0000-0002-7372-0784 29 V. R. Marshall 30 J. T. K. McKenna 31 T. Momose 0000-0001-8976-1938 32 J. Nauta 0000-0002-3477-7104 33 A. N. Oliveira 0000-0003-1567-7981 34 J. Peszka 0000-0002-5140-8079 35 A. Powell 0000-0003-2475-6067 36 C. Ø. Rasmussen 0000-0002-6029-1730 37 T. Robertson-Brown 0009-0008-0157-1047 38 F. Robicheaux 0000-0002-8054-6040 39 R. L. Sacramento 40 E. Sarid 41 J. Schoonwater 0000-0001-5152-4830 42 D. M. Silveira 43 J. Singh 0000-0002-2981-9234 44 G. Smith 0009-0005-9784-5273 45 C. So 46 S. Stracka 0000-0003-0013-4714 47 J. Suh 0009-0006-9261-115x 48 A. G. Swadling 49 T. D. Tharp 50 K. A. Thompson 51 R. I. Thompson 0000-0002-9196-1135 52 E. Thorpe-Woods 0009-0001-2349-810x 53 M. Urioni 0000-0002-4455-7383 54 D. P. van der Werf 0000-0001-5436-5214 55 P. Woosaree 0009-0003-5969-8909 56 J. S. Wurtele 0000-0001-8401-0297 57 Nishant Bhatt 58 Michael Charlton 59 Stefan Eriksson 0000-0002-5390-1879 60 LUKAS GOLINO 61 Maria Gomes Goncalves 62 Aled Isaac 0000-0002-7813-1903 63 Janko Nauta 64 JOANNA PESZKA 65 Tom Robertson-Brown 66 Joos Schoonwater 67 Kurt Thompson 68 EDWARD THORPE-WOODS 69 Dirk van der Werf 70 70963__35688__f42f4f7f62de4d6b8d97536236a78ded.pdf Akbari_NatureComm_16_10106_2025.pdf 2025-11-22T13:28:30.9914647 Output 1980330 application/pdf Version of Record true © The Author(s) 2025. This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
spellingShingle Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
Christopher Baker
April Cridland
Niels Madsen
Nishant Bhatt
Michael Charlton
Stefan Eriksson
LUKAS GOLINO
Maria Gomes Goncalves
Aled Isaac
Janko Nauta
JOANNA PESZKA
Tom Robertson-Brown
Joos Schoonwater
Kurt Thompson
EDWARD THORPE-WOODS
Dirk van der Werf
title_short Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
title_full Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
title_fullStr Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
title_full_unstemmed Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
title_sort Be+ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
author_id_str_mv 0c72afb63bd0c6089fc5b60bd096103e
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author_id_fullname_str_mv 0c72afb63bd0c6089fc5b60bd096103e_***_Christopher Baker
e3c734cfda1e0b3835968762f39525cc_***_April Cridland
e348e4d768ee19c1d0c68ce3a66d6303_***_Niels Madsen
6f0aa23156c022c29720a1b3a6a2f2df_***_Nishant Bhatt
d9099cdd0f182eb9a1c8fc36ed94f53f_***_Michael Charlton
785cbd474febb1bfa9c0e14abaf9c4a8_***_Stefan Eriksson
92ac4d0f947856adcfde3d39701645a1_***_LUKAS GOLINO
e36176626ecde930c5fe4a95d84e7e12_***_Maria Gomes Goncalves
06d7ed42719ef7bb697cf780c63e26f0_***_Aled Isaac
410158aa02788d739bed2e1c9a85fe7f_***_Janko Nauta
d11388181f4f4559514f02e9212c6ca1_***_JOANNA PESZKA
b156aea3e3d17cbaa7c88b2cbda685c0_***_Tom Robertson-Brown
015c50bdb7662cdce2dbd7ae8b72abf9_***_Joos Schoonwater
8d092bff80ec4e68bd02830ffe2ff179_***_Kurt Thompson
5cd0756f57de65df317724e6d8365e16_***_EDWARD THORPE-WOODS
4a4149ebce588e432f310f4ab44dd82a_***_Dirk van der Werf
author Christopher Baker
April Cridland
Niels Madsen
Nishant Bhatt
Michael Charlton
Stefan Eriksson
LUKAS GOLINO
Maria Gomes Goncalves
Aled Isaac
Janko Nauta
JOANNA PESZKA
Tom Robertson-Brown
Joos Schoonwater
Kurt Thompson
EDWARD THORPE-WOODS
Dirk van der Werf
author2 R. Akbari
L. O. de Araujo Azevedo
Christopher Baker
W. Bertsche
N. M. Bhatt
G. Bonomi
A. Capra
I. Carli
C. L. Cesar
M. Charlton
April Cridland
A. Del Vincio
D. Duque Quiceno
S. J. Eriksson
A. Evans
J. Ewins
J. Fajans
T. Friesen
M. C. Fujiwara
L. M. Golino
M. B. Gomes Gonçalves
J. S. Hangst
M. E. Hayden
D. Hodgkinson
C. A. Isaac
A. J. U. Jimenez
S. A. Jones
S. Jonsell
Niels Madsen
V. R. Marshall
J. T. K. McKenna
T. Momose
J. Nauta
A. N. Oliveira
J. Peszka
A. Powell
C. Ø. Rasmussen
T. Robertson-Brown
F. Robicheaux
R. L. Sacramento
E. Sarid
J. Schoonwater
D. M. Silveira
J. Singh
G. Smith
C. So
S. Stracka
J. Suh
A. G. Swadling
T. D. Tharp
K. A. Thompson
R. I. Thompson
E. Thorpe-Woods
M. Urioni
D. P. van der Werf
P. Woosaree
J. S. Wurtele
Nishant Bhatt
Michael Charlton
Stefan Eriksson
LUKAS GOLINO
Maria Gomes Goncalves
Aled Isaac
Janko Nauta
JOANNA PESZKA
Tom Robertson-Brown
Joos Schoonwater
Kurt Thompson
EDWARD THORPE-WOODS
Dirk van der Werf
format Journal article
container_title Nature Communications
container_volume 16
container_issue 1
publishDate 2025
institution Swansea University
issn 2041-1723
doi_str_mv 10.1038/s41467-025-65085-4
publisher Springer Science and Business Media LLC
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 1
active_str 0
description Antihydrogen, the bound state of a positron and an antiproton, is the only pure anti-atomic system ever studied. It is produced exclusively in the laboratory, as it has never been observed in nature. This unique system is of great interest for searching for tentative differences between matter and antimatter. Antihydrogen has been routinely trapped since 2010 and accumulated since 2017, enabling, for example, the first precision spectroscopic study of the anti-atom in 2018 and the first observation of the influence of gravity in 2023. Here we report an eight-fold increase in the trapping rate of antihydrogen, enabled by sympathetic cooling of positrons with laser-cooled beryllium ions. With beryllium sympathetic cooling, we now accumulate over 15000 antihydrogen atoms in under seven hours. This technique transforms our ability to study systematic and sidereal effects in existing experiments while paving the way for studies that would otherwise remain out of reach.
published_date 2025-11-18T05:34:04Z
_version_ 1856987038686904320
score 11.096068

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