Fundamental particles

Question 1

Name all exchange particles

Answer 1

W+ Bosons W- Bosons Z Bosons Higgs Boson photons and gluons

Question 2

Name all leptons

Answer 2

Electrons, muons and neutrinos

Question 3

Name all baryons

Answer 3

Protons and neutrons

Question 4

Name all mesons

Answer 4

K+ K- K0 π+ π- π0

Question 5

What are the differences between mesons and baryons

Answer 5

Baryons contain 3 quarks whereas mesons contain a quark and antiquark pair

Question 6

What do pi mesons contain

Answer 6

A quark and antiquark pair

Question 7

What do K mesons contain

Answer 7

A quark/antiquark and a strange quark

Question 8

What do K mesons contain

Answer 8

A quark/antiquark and a strange quark

Question 9

Strong force exchange particle

Answer 9

Pions between hadrons and gluons between quarks

Question 10

Electromagnetic exchange particle

Answer 10

Photon

Question 11

Weak force exchange particles

Answer 11

Z and W bosons

Question 12

Quark baryon number

Answer 12

+1/3

Question 13

Anti-quark baryon number

Answer 13

-1/3

Question 14

Which particles have a lepton number of zero

Answer 14

All hadrons and exchange particles

Question 15

Which particles have a baryon number of zero

Answer 15

Mesons, leptons and exchange particles

Question 16

Which particles have a strangeness of zero

Answer 16

Any particles with no strange quarks

Question 17

Difference between gluons and pions

Answer 17

Both are for the strong force, however gluons are between quarks and pions are between hadrons. Gluons have no mass whereas pions do.

Question 18

What quantities are conserved in all interactions

Answer 18

Energy
Momentum
Charge (Q)
Baryon number
Lepton number

Kinetic conserved in an ELASTIC COLLISION
Strangeness conserved in ALL EXCEPT WEAK INTERACTIONS