Particle Physics Flashcards
1
Q
Nucleon
A
A proton or neutron
2
Q
Isotope
A
A nuclide with the same proton number but different number of neutrons
3
Q
Lepton
A
a fundamental particle not made of quarks
4
Q
Baryon
A
A particle made of three quarks
5
Q
Meson
A
A particle made of 1 quark and 1 antiquark
6
Q
Hadron
A
Any particle made of quarks
7
Q
Alpha particle
A
A helium nucleus made up of 2 protons and 2 neutron
8
Q
Beta minus
A
An electron
9
Q
Beta positive particle
A
An antielectron or positron
10
Q
Beta minus decay
A
Neutron changing to a proton
11
Q
Neutrino
A
Very light particle released during positron decay in order to conserve lepton number
12
Q
Down
A
1 type of quark in a proton
13
Q
Strange
A
1 type of quark that has a strangeness of -1
14
Q
Alpha
A
Decay that has a range of a few cm
15
Q
Becquerel
A
Unit of activity
