| Answer | Crossword Clue |
|---|---|
| ION | Particle in a cloud chamber |
| ION | Cloud-chamber particle |
| ION | Cloud chamber particle |
| DELTARAY | Emission in a cloud chamber |
| ION | Particle in a chamber |
| donuts | A ring-shaped object, in particular a vacuum chamber in some types of particle accelerator |
| doughnuts | A ring-shaped object, in particular a vacuum chamber in some types of particle accelerator |
