Quarks + Hadrons

Question 1

Name the main 3 quarks and anti-quarks:

Answer 1

-Up
-Anti-up
-Down
-Anti-down
-strange
-anti-strange

Question 2

What are the charge number for the main quarks:

Answer 2

Up: 2/3
Down: -1/3
Strange: -1/3

Question 3

What are the baryon numbers for the main quarks:

Answer 3

Up: 1/3
Down: 1/3
Strange: 1/3

Question 4

What are the strangenesses for the main quarks:

Answer 4

Up: 0
Down: 0
Strange: -1

Question 5

What are the charges for the main anti-quarks:

Answer 5

Anti-up: -2/3
Anti-down: 1/3
Anti-strange: 1/3

Question 6

What are the baryon numbers for the main anti-quarks:

Answer 6

Anti-up: -1/3
Anti-down: -1/3
Anti-strange: -1/3

Question 7

What are the strangenesses for the main anti-quarks:

Answer 7

Anti-up: 0
Anti-down: 0
Anti-strange: +1

Question 8

What is the quark composition of a neutron and anti-neutron?

Answer 8

Neutron: udd
Anti-neutron: anti(udd)

Question 9

What is the quark composition of a proton and anti-proton?

Answer 9

Proton : uud
Anti-proton: Anti(uud)

Question 10

How were quarks discovered?

Answer 10

Using a similar method to the alpha gold scattering experiment, by firing electrons at a nucleus.