JET

The Joint European Torus — long the largest operating tokamak and a D–T record-holder.

Type

D–T tokamak

Legacy

Confinement database

JET, the Joint European Torus, was for decades the largest operating tokamak and produced landmark D–T fusion results that helped calibrate confinement scaling. It is a cornerstone of the empirical database.

The scaling laws Kronos designs to draw heavily on machines like JET.