High Energy Accelerator Research Organization (KEK)

E422023

accelerator laboratory inter-university research institute national research institute particle physics laboratory

The High Energy Accelerator Research Organization (KEK) is Japan’s premier national laboratory for particle physics and accelerator science, conducting fundamental research into the structure of matter and the universe.

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All labels observed (9)

Label	Occurrences
KEK	15
KEK High Energy Accelerator Research Organization	6
High Energy Accelerator Research Organization	5
High Energy Accelerator Research Organization (KEK) canonical	4
High Energy Accelerator Research Organization KEK	2
KEK Tsukuba campus	1
National Laboratory for High Energy Physics	1
SuperKEKB experiment	1
高エネルギー加速器研究機構	1

How this entity was disambiguated

This entity first appeared as the object of triple T4214754 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: High Energy Accelerator Research Organization (KEK)
Context triple: [Tsukuba, hasInstitution, High Energy Accelerator Research Organization (KEK)]

A. Nishina Laboratory
Nishina Laboratory is a pioneering Japanese nuclear and particle physics research facility established in the early 20th century and closely associated with the development of modern physics in Japan.
B. RIKEN
RIKEN is Japan’s largest comprehensive research institution, renowned for its cutting-edge work in physics, chemistry, biology, medical science, and engineering.
C. Institute for Cosmic Ray Research
The Institute for Cosmic Ray Research is a Japanese research institute at the University of Tokyo renowned for its pioneering work in cosmic rays, neutrino physics, and astroparticle physics.
D. Nishina Memorial Foundation
The Nishina Memorial Foundation is a Japanese organization dedicated to promoting advances in physics, particularly in nuclear and particle physics, through research support and prestigious awards.
E. Research Center for Nuclear Physics
The Research Center for Nuclear Physics is a leading Japanese institute specializing in experimental and theoretical nuclear physics research and advanced accelerator-based studies.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: High Energy Accelerator Research Organization (KEK)
Target entity description: The High Energy Accelerator Research Organization (KEK) is Japan’s premier national laboratory for particle physics and accelerator science, conducting fundamental research into the structure of matter and the universe.

A. Nishina Laboratory
Nishina Laboratory is a pioneering Japanese nuclear and particle physics research facility established in the early 20th century and closely associated with the development of modern physics in Japan.
B. RIKEN
RIKEN is Japan’s largest comprehensive research institution, renowned for its cutting-edge work in physics, chemistry, biology, medical science, and engineering.
C. Institute for Cosmic Ray Research
The Institute for Cosmic Ray Research is a Japanese research institute at the University of Tokyo renowned for its pioneering work in cosmic rays, neutrino physics, and astroparticle physics.
D. Nishina Memorial Foundation
The Nishina Memorial Foundation is a Japanese organization dedicated to promoting advances in physics, particularly in nuclear and particle physics, through research support and prestigious awards.
E. Research Center for Nuclear Physics
The Research Center for Nuclear Physics is a leading Japanese institute specializing in experimental and theoretical nuclear physics research and advanced accelerator-based studies.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	accelerator laboratory ⓘ inter-university research institute ⓘ national research institute ⓘ particle physics laboratory ⓘ
abbreviation	KEK ⓘ linked to: High Energy Accelerator Research Organization (KEK)
alsoKnownAs	KEK High Energy Accelerator Research Organization ⓘ linked to: High Energy Accelerator Research Organization (KEK)
collaboratesWith	CERN ⓘ Japan Atomic Energy Agency ⓘ international universities and laboratories ⓘ
country	Japan ⓘ
employs	engineers ⓘ physicists ⓘ technicians ⓘ
fieldOfWork	accelerator physics ⓘ astroparticle physics ⓘ computational science ⓘ materials science ⓘ nuclear physics ⓘ particle physics ⓘ synchrotron radiation science ⓘ
foundedBy	Japanese government ⓘ linked to: Government of Japan
hasFacility	J-PARC (Japan Proton Accelerator Research Complex) ⓘ linked to: J-PARC KEKB accelerator ⓘ linked to: SuperKEKB B-factory Photon Factory Advanced Ring (PF-AR) ⓘ Photon Factory synchrotron radiation facility ⓘ SuperKEKB accelerator ⓘ linked to: SuperKEKB B-factory
headquartersLocation	Tsukuba, Ibaraki Prefecture, Japan ⓘ
locatedIn	Tsukuba, Ibaraki Prefecture, Japan ⓘ
mission	conduct fundamental research into the structure of matter and the universe ⓘ develop and operate high-energy particle accelerators ⓘ provide accelerator facilities to university researchers ⓘ
nativeName	高エネルギー加速器研究機構 ⓘ linked to: High Energy Accelerator Research Organization (KEK)
notableExperiment	Belle II experiment ⓘ linked to: Belle II detector Belle experiment ⓘ linked to: Belle detector at KEK B-factory
operatedBy	Inter-University Research Institute Corporation High Energy Accelerator Research Organization ⓘ linked to: Inter-University Research Institute Corporation
operates	J-PARC (jointly with JAEA) ⓘ linked to: J-PARC Photon Factory synchrotron radiation facility ⓘ SuperKEKB accelerator ⓘ linked to: SuperKEKB B-factory
parentOrganization	Research Organization of Information and Systems ⓘ
predecessor	Institute for Nuclear Study, University of Tokyo ⓘ National Laboratory for High Energy Physics ⓘ linked to: High Energy Accelerator Research Organization (KEK)
provides	user facilities for domestic and international researchers ⓘ
researchArea	CP violation in B meson system ⓘ accelerator technology development ⓘ hadron physics ⓘ lattice QCD ⓘ neutrino physics ⓘ quark flavor physics ⓘ
website	https://www.kek.jp/ ⓘ

How these facts were elicited

Referenced by (36)

Full triples — surface form annotated when it differs from this entity's canonical label.

Tsukuba → hasInstitution → High Energy Accelerator Research Organization (KEK) ⓘ

subject linked to: Tsukuba, Ibaraki Prefecture, Japan

Belle II detector → partOf → SuperKEKB experiment ⓘ