2.2 (CLASSIFICATION OF PARTICLES)

Question 1

What are the differences in traits between Hadrons and leptons?

Answer 1

Hadrons experience SNF
Hadrons are much heavier

Question 2

What are Hadrons split into and give examples

Answer 2

Baryons- Protons(only stable baryon), neutrons
Mesons- Kaons, pions

Question 3

What are baryons made up of?

Answer 3

3 quarks or antiquarks (cant be a combination)

Question 4

What are mesons

Answer 4

quark + antiquark pair

Question 5

Properties of an up quark (normal and anti)

Answer 5

Normal:
Charge: +2/3
Baryon number: 1/3
Strangeness:0
Anti:
Charge: -2/3
Baryon number: -1/3
Strangeness:0

Question 6

Properties of an down quark (normal and anti)

Answer 6

Normal:
Charge: -1/3
Baryon number: 1/3
Strangeness:0
Anti:
Charge: +1/3
Baryon number: -1/3
Strangeness:0

Question 7

Properties of a strange quark (normal and anti)

Answer 7

Normal:
Charge: -1/3
Baryon number: 1/3
Strangeness:-1
Anti:
Charge: +1/3
Baryon number: -1/3
Strangeness:1

Question 8

Quark make up of protons and antiprotons and their type

Answer 8

protons : uud
antiprotons: uud
type: baryon

Question 9

Quark make up of neutrons and antineutrons and their type

Answer 9

neutrons: dud
antineutrons: dud
type: baryon

Question 10

Quark makeup of different pions and their type

Answer 10

π+ :u_d_
π- :d_u_
π0 :u_u_ or d_d_

Question 11

Quark makeup of different Kaons and their type

Answer 11

K+:u_s_
K-:s_u_
K0:d_s_