Japan · Tokai-Mura · 36.452, 140.606

STACY

STACY, a research reactor (critical assembly) in Tokai-Mura, Japan, with 200 W of thermal power, operated by JAEA, Nuclear Science Research Institute. Operating, first critical in 1995.

It is one of the 9 research reactors operating in Japan. It went critical 38 years after the first research reactor in Japan, JRR-1 (1957). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include nuclear data measurements.

Country

Japan

City

Tokai-Mura

Type

Critical assembly

Thermal power

200 W

Operator

JAEA, Nuclear Science Research Institute

Status

Operating

First criticality

1995

Purpose

Nuclear data

See also: every research reactor in Japan · How research reactors work