1.2 particles and anti-particles Flashcards
1
Q
Name the 6 quarks
A
Up down charm strange top bottom
2
Q
Name the 6 leptons
A
Electron Electron-neutrino Muon Muon-neutrino Tau Tau-neutrino
3
Q
What quarks have a charge of +2/3e?
A
Up
Charm
Top
4
Q
What quarks have a charge of -1/3e?
A
Down
Strange
Bottom
5
Q
What is a hadron?
A
Any particle composed of quarks
6
Q
What is a baryon?
A
Any particle composed of 3 quarks
7
Q
What is a meson?
A
Any particle made of a quark and an anti quark
8
Q
Give an example of a baryon?
A
Neutron
Proton
9
Q
When particles annihilate they release what kind of energy?
A
Gamma radiation, most commonly
10
Q
What happens to the charge of an anti quark/lepton?
A
It becomes the opposite charge
11
Q
What is a pion?
A
A type of meson using only up and down quarks
Ie
Uū
Ūd
