3.2.1.6 - Quarks and Antiquarks

Question 1

What are quarks?

Answer 1

Building blocks for hadrons.

Question 2

What are antiparticles of hadrons made up of?

Answer 2

Antiquarks.

Question 3

What kind of quarks are used in making protons and neutrons?

Answer 3

Up and down.

Question 4

What other kind of quark adds strangeness?

Answer 4

Strange quark.

Question 5

What is the antiquark of up?

Answer 5

Anti-up

Question 6

What is the antiquark of down?

Answer 6

Anti-down

Question 7

What is the antiquark of strange?

Answer 7

Anti-strange

Question 8

What is the quark arrangement in a proton?

Answer 8

uud

Question 9

What is the quark arrangement in a neutron?

Answer 9

udd

Question 10

What is the quark arrangement in antiproton?

Answer 10

uud, but with a line across them.

Question 11

K+

Answer 11

U, anti strange

Question 12

K0

Answer 12

D, anti strange

Question 13

Anti K0

Answer 13

S, anti down

Question 14

K-

Answer 14

S, anti up

Question 15

π+

Answer 15

U, anti down

Question 16

π-

Answer 16

D, anti up

Question 17

π0

Answer 17

d, antidown or u, anti up

Question 18

K+ -> (muons)

Answer 18

u+ + Vu

Question 19

K+ -> (pions)

Answer 19

π+ + π0 or π+ + π+ + π-

Question 20

K- -> (muons)

Answer 20

u- + anti muon neutrino

Question 21

K- -> (pions)

Answer 21

π- + π0 or π0 + u- + antimuon neutrino