Classification of particles Flashcards
1
Q
What are leptons
A
Light particles
Fundamental particles
2
Q
What force do leptons not interact with
A
Weak nuclear force
3
Q
How do leptons interact with particles
A
Through weak electromagnetic interaction
IF THEY ARE CHARGED
4
Q
What does “down” (d) represent
A
- 1/3 e
4
Q
What do hadrons experience
A
Weak nuclear force
Gravitational force
Electromagnetic force if they are charged
4
Q
What does “up” (U) represent
A
+ 2/3 e
5
Q
Are all hadrons unstable
A
No
All except protons
6
Q
What are mesons made of
A
A quark and an antiquark
6
Q
What are baryons made of
A
3 quarks
Or 3 antiquarks
Or a combination of 3
7
Q
What hadron doesn’t experience electromagnetic force
A
Neutrons
