| Answer | Crossword Clue |
|---|---|
| MUON | Short-lived atomic particle |
| PION | Short-lived particle |
| MUON | Short-lived particle |
| TAU | ... particle (short-lived lepton) |
| resonances | A short-lived subatomic particle that is an excited state of a more stable particle |
| tau | short-lived elementary particle of the lepton family that exists in positive and negative charge states and has a mass about 3500 times greater than an electron called also tau particle |
| taus | short-lived elementary particle of the lepton family that exists in positive and negative charge states and has a mass about 3500 times greater than an electron called also tau particle |
