ArticleNature2026
Four ppm measurement of the antihydrogen ground-state hyperfine splitting.
Abstract read
In one paragraph
Article in Nature, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
58 authors.
R AkbariDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.
L O de Araujo AzevedoInstituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
C J BakerDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0002-9448-8419
W BertscheSchool of Physics and Astronomy, University of Manchester, Manchester, UK.
N M BhattDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0003-0512-2384
G BonomiUniversity of Brescia, Brescia, Italy.ORCID http://orcid.org/0000-0003-1618-9648
A CapraTRIUMF, Vancouver, British Columbia, Canada.ORCID http://orcid.org/0000-0001-9499-0380
I CarliTRIUMF, Vancouver, British Columbia, Canada.ORCID http://orcid.org/0000-0002-0411-1141
C L CesarInstituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.ORCID http://orcid.org/0000-0003-2638-0032
M CharltonDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0002-9754-1932
A Cridland MathadDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0003-4361-0266
A Del VincioUniversity of Brescia, Brescia, Italy.
D Duque QuicenoDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.ORCID http://orcid.org/0009-0000-4625-3757
S ErikssonDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.
A EvansDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.
J FajansDepartment of Physics, University of California at Berkeley, Berkeley, CA, USA.ORCID http://orcid.org/0000-0002-4403-6027
T FriesenDepartment of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada. timothy.friesen@ucalgary.ca.ORCID http://orcid.org/0000-0002-7017-9662
M C FujiwaraTRIUMF, Vancouver, British Columbia, Canada.
L M GolinoDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0001-7817-640X
M B Gomes GonçalvesDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.
J S HangstDepartment of Physics and Astronomy, Aarhus University, Aarhus, Denmark. jeffrey.hangst@cern.ch.ORCID http://orcid.org/0000-0001-5288-2330
M E HaydenDepartment of Physics, Simon Fraser University, Burnaby, British Columbia, Canada.
P HeidariDepartment of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada.
D HodgkinsonDepartment of Physics, University of California at Berkeley, Berkeley, CA, USA.ORCID http://orcid.org/0000-0003-3410-5540
C A IsaacDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.
S A JonesVan Swinderen Institute for Particle Physics and Gravity, University of Groningen, Groningen, The Netherlands.ORCID http://orcid.org/0000-0001-8205-2186
S JonsellDepartment of Physics, Stockholm University, Stockholm, Sweden.ORCID http://orcid.org/0000-0003-4969-1714
N MadsenDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0002-7372-0784
V R MarshallDepartment of Physics and Astronomy, Aarhus University, Aarhus, Denmark.
J T K McKennaSchool of Physics and Astronomy, University of Manchester, Manchester, UK.
T MomoseDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.ORCID http://orcid.org/0000-0001-8976-1938
J NautaExperimental Physics Department, CERN, Geneva, Switzerland.ORCID http://orcid.org/0000-0002-3477-7104
A N OliveiraSchool of Physics and Astronomy, University of Manchester, Manchester, UK.ORCID http://orcid.org/0000-0003-1567-7981
A PowellExperimental Physics Department, CERN, Geneva, Switzerland.ORCID http://orcid.org/0000-0003-2475-6067
C Ø RasmussenExperimental Physics Department, CERN, Geneva, Switzerland.ORCID http://orcid.org/0000-0002-6029-1730
T Robertson-BrownDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0009-0008-0157-1047
F RobicheauxDepartment of Physics and Astronomy, Purdue University, West Lafayette, IN, USA.ORCID http://orcid.org/0000-0002-8054-6040
R L SacramentoInstituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
E SaridBen Gurion University of the Negev, Be'er Sheva, Israel.
J SchoonwaterDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0001-5152-4830
D M SilveiraInstituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
J SinghSchool of Physics and Astronomy, University of Manchester, Manchester, UK.ORCID http://orcid.org/0000-0002-2981-9234
G SmithDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.ORCID http://orcid.org/0009-0005-9784-5273
C SoTRIUMF, Vancouver, British Columbia, Canada.
S StrackaINFN Sezione di Pisa, Pisa, Italy.ORCID http://orcid.org/0000-0003-0013-4714
J SuhDepartment of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada.ORCID http://orcid.org/0009-0006-9261-115X
A G SwadlingDepartment of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada.
T D TharpPhysics Department, Marquette University, Milwaukee, WI, USA.
K A ThompsonDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0002-9196-1135
R I ThompsonTRIUMF, Vancouver, British Columbia, Canada.
E Thorpe-WoodsDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0009-0001-2349-810X
A J Uribe JimenezTRIUMF, Vancouver, British Columbia, Canada. alberto.jesus.uribe.jimenez@cern.ch.ORCID http://orcid.org/0000-0001-6331-0266
M UrioniUniversity of Brescia, Brescia, Italy.ORCID http://orcid.org/0000-0002-4455-7383
D P van de WerfDepartment of Physics, Faculty of Science and Engineering, Swansea University, Swansea, UK.ORCID http://orcid.org/0000-0001-5436-5214
S G WilsonDepartment of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada.ORCID http://orcid.org/0009-0000-5020-4480
P WoosareeDepartment of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada.ORCID http://orcid.org/0009-0003-5969-8909
J S WurteleDepartment of Physics, University of California at Berkeley, Berkeley, CA, USA.ORCID http://orcid.org/0000-0001-8401-0297
ALPHA Collaboration
Funding
No grant is acknowledged in the PubMed record.
Abstract
The hydrogen atom is a touchstone for the foundations, evolution and frontiers of quantum theory
Identifiers
What OpenQuestion holds
Textmetadata
LicenceCC BY
Read underepoch 390
Registered trials
None linked
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.