Accel Kitchen · 加速キッチン

Particle physics,
in the hands of teenagers. We lend particle detectors free of charge and support
cosmic-ray & particle-physics research with research institutes.

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Cosmic Ray

Cosmic-ray Inquiry Program

We deliver a detector for free so students can explore cosmic rays on their own theme — from home all the way to research institutes.

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Workshop

Outreach Workshops

On-site programs for schools, museums and science events — from building a particle detector to observing cosmic rays.

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Store

Particle Goods Store

Science goods centered on particles and cosmic rays, devised and made by Accel Kitchen students.

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Handmade

Handmade Club

Turn the science you love into handmade works with researchers — and sell them for real at festivals and conference booths.

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01 news

News

2026
Experiment 11 teenagers take on muon-beam experiments at J-PARC, the world's most intense acceleratorJune 20–21, J-PARC MLF Muon D1 area — five self-proposed themes. The second run after last year's world-first, expanded in both participants and themes. Media advisory
2026
Paper High-school-built cosmic-ray detector “SAKURA”: CERN performance results published in the international journal NIM-AA palm-sized 2-D cosmic-ray imaging detector. Five high-schoolers handled the entire process — design, fabrication, beam test, data analysis and writing. Press release
2025
Development University students develop a radiation detector you can tell apart by soundA detector that lets even visually-impaired high-schoolers identify the type of radiation. Demonstrated in class at the Tsukuba University special-needs school for the visually impaired. Press release
2025
Competition Yuzuki Sasaki (11th grade) selected for Japan's national team at the International Nuclear Science Olympiad (INSO)From an Accel Kitchen student to another global stage after CERN BL4S — held in Kuala Lumpur, Malaysia. Press release
2025
Film Cosmic-ray detectors appear in the film “Kono Natsu no Hoshi wo Miru” (starring Hiyori Sakurada)Real units used by current members appear in the film's “cosmic-ray club” scene. Nationwide release July 4, 2025. Press release
2025
Experiment Muon-beam experiment carried out at J-PARC, a world-class accelerator (a first for teenagers)Four teenagers took part as main users at J-PARC MLF for the first time, measuring the muon lifetime. Press release
2025
MEXT Award Received the MEXT Minister's Award — Science & Technology Prize (Public Understanding Promotion category)Recognition for the particle-physics inquiry program for teenagers. Press release
2024
CERN A Japanese first: high-school students complete a particle-physics experiment at CERN (Geneva, Switzerland)The five-member team “Sakura Particles,” the first from Japan selected for CERN BL4S, completed a three-week beam experiment. Press release
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