3) Particle Interactions Flashcards
1
Q
State what is produced when an electron and a positron annihilate each other.
A
-Pair of gamma rays.
2
Q
Explain why mass is not necessarily conserved when particles interact or decay.
A
-Because mass can be converted to energy and vice versa.
3
Q
Name three conservation laws that are obeyed in all nuclear interactions.
A
- Charge.
- Baryon number.
- Lepton number.
4
Q
Describe what happens when a proton and an antiproton collide.
A
- Annihilation.
- The release of a pair of gamma rays.
