Answer:

cyclotron

AnswerCrossword Clue
CYCLOTRONAccelerator
CYCLOTRONParticle-accelerating machine
CYCLOTRONE. O. Lawrence won a Nobel prize for inventing it.
CYCLOTRONAtom apparatus.
CYCLOTRONAtom smasher.
CYCLOTRONPhysicist's accelerator