Physics 2.2 Particle Sorting Flashcards
1
Q
Define a hadron
A
Hadrons are subject to the strong interaction.
2
Q
What are the two types of hadron?
A
Baryons and Mesons
3
Q
What are examples of baryons?
A
Nucleons and particles such as Sigma (Σ)
4
Q
What are examples of mesons?
A
Pions, Kaons, Phi…
5
Q
Into what will all baryons eventually decay?
A
The proton is the only stable baryon into which other baryons eventually decay.
6
Q
Define baryon number
A
Baryon number is a quantum number that must be conserved in all particle interactions.
7
Q
What is the baryon number of a baryon?
A
+1
8
Q
What is the baryon number of an antibaryon?
A
-1
9
Q
What is the baryon number of a meson?
A
0
10
Q
What is a pion?
A
The pion is the exchange particle of the strong nuclear force
11
Q
What is a kaon?
A
The kaon is a particle that can decay into pions
