Japan Proton Accelerator Research Complex

What Japan Proton Accelerator Research Complex does

J-PARC (Japan Proton Accelerator Research Complex) is a high-intensity proton accelerator research facility located in Tokai Village, Naka District, Ibaraki Prefecture, Japan. It operates a three-stage accelerator chain — a Linear Accelerator (Linac), a Rapid Cycling Synchrotron (RCS, 3 GeV), and a Main Ring (MR, 50 GeV) — to deliver high-intensity proton beams that produce secondary particle beams (neutrons, muons, neutrinos, and K mesons). These beams feed four experimental facilities: the Hadron Experimental Facility, the Neutrino Experimental Facility (the source of the world-highest-intensity neutrino beam sent 295 km to Super-Kamiokande for the T2K experiment), the Materials and Life Science Experimental Facility (MLF), and a Proton Beam Irradiation Facility for applied transmutation-system research.

The facility is jointly operated by two Japanese public research corporations — the Japan Atomic Energy Agency (JAEA) and the High Energy Accelerator Research Organization (KEK) — and was established under a governmental framework with operations beginning in 2009. Users access beam time through a formal application and review process administered by the J-PARC Users Office, drawing from university researchers, national research institutes, and private companies pursuing materials, hydrogen storage, fuel cell, life science, and particle-physics research. The Neutron Science Center, operated by partner organization CROSS, supports materials and life-science use.

J-PARC is funded primarily through Japanese government appropriations and does not generate commercial revenue. Its go-to-market is community-led science-outreach: the official website, YouTube channel, Twitter/X, and LinkedIn profile disseminate research news; recurring programs (annual symposia, J-PARC Hello Science events, lecture tours, and facility open houses) engage both scientific users and the public. Distribution of research access occurs through the Users Office under a professional-services / beam-time allocation model; beam time is allocated rather than sold, with pricing not publicly disclosed. The active user base spans academia (primary), national research institutes, and industrial R&D labs developing next-generation energy and functional materials.

Name

Japan Proton Accelerator Research Complex

Legal name

J-PARCセンター (Japan Proton Accelerator Research Complex)

Website

https://j-parc.jp

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

501–1,000 employees

Short description

J-PARC is a Japanese government-funded high-intensity proton accelerator complex in Tokai Village, Ibaraki, jointly operated by JAEA and KEK. It uses a Linac–RCS–Main Ring chain to produce neutron, muon, neutrino, and K-meson beams for university, government, and industry researchers worldwide.

Ownership category

akta.pro rank

Product category

Scientific Research Infrastructure

akta.pro primary industry

Research & Test Reactor Operations (Non-Commercial Power) (EUACADAH)

Keywords

• Proton accelerator research
• Particle beam facility
• Neutron scattering services
• Neutrino physics experiments
• Nuclear physics infrastructure

Headquarters

HQ city

Naka

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Personnel, Technology or R&D, Operations

Revenue model

1. Beam Time Allocation: J-PARC provides beam time to researchers from universities, research institutes, and private companies. The facility operates as a national research infrastructure with funding primarily from the Japanese government through JAEA and KEK. Access is provided through application and review processes managed by the Users Office.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

J-PARC operates a multi-stage high-intensity proton accelerator complex (Linear Accelerator, Rapid Cycling Synchrotron, and Main Ring) that produces intense secondary particle beams including neutrons, muons, neutrinos, and K mesons. These beams are delivered through dedicated experimental facilities to support fundamental particle and nuclear physics research, materials science analysis, life science studies, and applied proton beam research for researchers from universities, national institutes, and private companies.

Product overview

J-PARC (Japan Proton Accelerator Research Complex) is a research facility, not a commercial product company. It operates a multi-stage proton accelerator system comprising a Linear Accelerator (linac), Rapid Cycling Synchrotron (RCS), and Main Ring (MR) to produce high-intensity proton beams. These beams generate secondary particle beams (neutrons, muons, neutrinos, kaons) used in three main experimental facilities: the Hadron Experimental Facility for particle physics research, the Neutrino Experimental Facility for the T2K experiment, and the Materials and Life Science Experimental Facility (MLF) for neutron and muon beam research. The facility also includes a Proton Beam Irradiation Facility for applied research.

Differentiator

Problem solved

Functional benefit

Products and services

• Linear Accelerator (Linac) Initial accelerator stage that brings protons to injection energy before handoff to the Rapid Cycling Synchrotron; used to produce high-intensity proton beams for downstream research facilities.
• Rapid Cycling Synchrotron (RCS) Accelerates protons from linac energy to 3 GeV for injection into the Main Ring and supplies pulsed neutron beams to the Materials and Life Science Experimental Facility (MLF).
• Main Ring (MR) Final accelerator stage that boosts protons from 3 GeV to 30 GeV (later 50 GeV) for delivery to the Hadron and Neutrino experimental facilities.
• Hadron Experimental Facility Experimental facility providing K-meson and other secondary hadron beams for particle and nuclear physics experiments, including studies of strange and charmed hadrons and searches for physics beyond the Standard Model.
• Neutrino Experimental Facility Generates a world-highest-intensity neutrino beam directed 295 km to Super-Kamiokande for the T2K long-baseline neutrino oscillation experiment, enabling studies of neutrino properties and CP violation.
• Materials and Life Science Experimental Facility (MLF) Provides neutron and muon beamlines for materials structure analysis, hydrogen storage research, battery development, protein structure studies, and cultural property analysis, serving materials and life science researchers from universities, national institutes, and industry.
• Proton Beam Irradiation Facility (Accelerator-Driven Transmutation Experimental Facility) Provides proton beam application research capabilities including experiments on accelerator-driven transmutation systems for nuclear waste treatment and related applied studies.

Named customers3 records

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered minor and core.

• Ministry of Education, Culture, Sports, Science and Technology (MEXT)minorOthers · 14 October 2024MEXT (文部科学省) is listed as a supporting organization for the J-PARC 2024 International Symposium public lecture, indicating government support for J-PARC activities.
• Ibaraki PrefectureminorOthers · 14 October 2024Ibaraki Prefecture (茨城県) is listed as a supporting organization for the J-PARC 2024 International Symposium, indicating local government support for the facility.
• Tokai VillageminorOthers · 14 October 2024Tokai Village (東海村) is listed as a supporting organization for the J-PARC 2024 International Symposium, indicating community support for the facility.
• Japan Atomic Energy Agency (JAEA)coreStrategic or Co-development PartnerJAEA (国立研究開発法人 日本原子力研究開発機構) is the primary operating partner of J-PARC. The J-PARC Center is established as a joint research center under JAEA's jurisdiction, with JAEA providing the primary institutional framework and operational support for the facility located at the Tokai campus.
• High Energy Accelerator Research Organization (KEK)coreStrategic or Co-development PartnerKEK (大学共同利用機関法人 高エネルギー加速器研究機構) is the co-operating partner of J-PARC. As a inter-university research institute corporation, KEK contributes scientific expertise and collaborates on accelerator development and particle physics experiments, particularly neutrino research.
• Comprehensive Research Organization for Science and Society (CROSS)minorStrategic or Co-development PartnerCROSS (一般財団法人 総合科学研究機構 中性子科学センター) operates the Neutron Science Center and collaborates with J-PARC on neutron science research, providing user support and promoting neutron beam utilization for materials and life science research.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• DESY (Deutsches Elektronen-Synchrotron): German national accelerator center operating synchrotron and free-electron laser facilities for particle physics and photon science research. Comparable as a multi-purpose accelerator research facility serving broad scientific user communities.
• CERN (European Organization for Nuclear Research): Operates the world's largest particle physics complex, including the LHC and associated accelerator chain producing high-intensity proton beams for fundamental physics research. Directly comparable to J-PARC as a multi-stage proton accelerator facility serving international research communities.
• European Spallation Source (ESS): Next-generation European spallation neutron source under construction in Sweden, designed to be the world's most powerful linear accelerator-driven neutron facility. Closest direct competitor and capability benchmark to J-PARC's neutron science program.
• Fermi National Accelerator Laboratory (Fermilab): U.S. Department of Energy national laboratory operating the Tevatron legacy complex and main injector producing high-intensity proton beams, with a major neutrino program (DUNE) closely parallel to J-PARC's T2K/Hyper-Kamiokande work.
• Paul Scherrer Institute (PSI): Swiss national laboratory operating a high-intensity proton cyclotron producing neutron and muon beams for materials science, particle physics, and life sciences. Directly comparable to J-PARC's MLF neutron/muon program and serves an analogous international user community.
• Brookhaven National Laboratory: DOE national laboratory operating the Relativistic Heavy Ion Collider and other accelerator facilities for nuclear physics and applied research. Functions as a comparable multi-user national accelerator research complex.
• TRIUMF: Canada's particle accelerator center operating the world's largest cyclotron for nuclear physics, materials science, and isotope production. Comparable to J-PARC in scope of multi-disciplinary accelerator-based research and user services.
• SLAC National Accelerator Laboratory: Stanford-operated DOE national accelerator laboratory with linear accelerator heritage, conducting particle physics and photon science research. Operates comparable large-scale research infrastructure serving international scientific user communities.
• Oak Ridge National Laboratory (Spallation Neutron Source): Operates the SNS, a leading pulsed spallation neutron source for materials science research. Directly comparable to J-PARC's MLF facility for neutron-based materials characterization serving international users.

Broad incumbents

• Argonne National Laboratory: DOE national laboratory operating the ATLAS linear accelerator for nuclear physics research plus broader materials and life science programs. Functions as a comparable multi-purpose accelerator-based research facility under government auspices.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/J_PARC
• YouTubeyoutube.com/channel/UCxaKE2SEegh0qVc1n2PMDaQ
• LinkedInlinkedin.com/company/jparc

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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M&A

Investments

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