P02 Quarks + Leptons
0.0(0)
Learn
Practice Test
Spaced Repetition
Match
FlashcardsCard Sorting
1/47
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
48 Terms
1
New cards
What do leptons interact through?
weak, gravitational and electromagnetic
2
New cards
What do hadrons interact through?
strong, weak, gravitational
3
New cards
What are hadrons split into?
baryons and mesons
4
New cards
Name the baryons:
protons, neutrons
5
New cards
Name the antibaryons:
antiprotons, antineutrons
6
New cards
Name the mesons:
pion, kaon
7
New cards
Name the hadrons:
protons, neutrons, antiprotons, antineutrons, pions, kaons
8
New cards
What are all particles split into?
leptons, hadrons, bosons
9
New cards
How many quarks do baryons have?
3
10
New cards
How many quarks do mesons have?
2
11
New cards
Why are baryons separate from other groups?
they are made up of quarks
12
New cards
Why are leptons separate from other groups?
they cannot be further split
13
New cards
Why are bosons separate from other groups?
they are exchange particles
14
New cards
What is the only stable baryon?
proton
15
New cards
Name the leptons:
electron, positron, muon, antimuon, neutrino, antineutrino
16
New cards
Name the bosons:
photons, Z, W, Higgs
17
New cards
What is the exchange particle of the strong nuclear force?
pion
18
New cards
What do kaons decay into?
pions
19
New cards
What decay into pions?
kaons
20
New cards
Which particles have a baryon number of 1?
baryons
21
New cards
Which particles have a baryon number of 0?
not baryons
22
New cards
Which particles have a lepton number of 1?
leptons
23
New cards
Which particles have a lepton number of 0?
not leptons
24
New cards
What do muons decay into?
electrons
25
New cards
What decay into electrons?
muons
26
New cards
What are strange particles always created in?
pairs
27
New cards
What interaction produces strange particles?
strong
28
New cards
What interaction do strange particles decay through?
weak
29
New cards
Which type of interaction must strangeness be conserved in?
strong
30
New cards
Which type of interaction can strangeness change by 1, 0 or -1 in?
weak
31
New cards
How many types of quark does aqa pretend there are?
3
32
New cards
Name the “3” types of quark:
up, down, strange
33
New cards
What quark combination makes a proton?
uud
34
New cards
What particle has the quarks uud?
proton
35
New cards
What quark combination makes a neutron?
udd
36
New cards
What particle has the quarks udd?
neutron
37
New cards
What particle has the quarks ūūđ?
antiproton
38
New cards
What particle has the quarks ūđđ?
antineutron
39
New cards
What particle has the quarks uđ?
π⁺
40
New cards
What particle has the quarks ūd?
π⁻
41
New cards
What particle has the quarks uū?
π⁰
42
New cards
What particle has the quarks uś?
K⁺
43
New cards
What particle has the quarks dś?
K⁰
44
New cards
What particle has the quarks ūs?
K⁻
45
New cards
What happens to the quarks in β⁺ decay?
an up quark changes to a down quark
46
New cards
What happens to the quarks in β⁻ decay?
a down quark changes to an up quark
47
New cards
Which 4 things need to be conserved in all particle equations?
charge, baryon number, lepton number, strangeness
48
New cards
What 2 extra things are always conserved in particle equations?
energy and momentum
Note 
Flashcards (36)