Particle Physics 1.7 Flashcards
1
Q
What are the properties of weak force?
A
-Long lifetime
-Neutrinos
-All particles feel it
-Change in quark flavour
2
Q
What are the properties of strong force?
A
-Short lifetime
-All particles are Hadrons
-Leptons don’t feel it
-No change in quark flavour
3
Q
What are the properties of EM force?
A
-Short lifetime
-Photon emitted
-Acts on charged particles
-No change in quark flavour
4
Q
What are examples of baryons?
A
Proton and neutron
5
Q
What are examples of leptons?
A
-Electron
-Positron
-Neutrino
-Antineutrino
6
Q
What is a meson?
A
Something with a quark and an anti quark
7
Q
What is the Baryon number, Lepton number, and charge of pions?
A
-Baryon number is 0
-Lepton number is 0
-charge is told by the superscript
