[08] Standard Model of Particle Physics

Question 1

What is the Standard Model of Particle Physics?

Answer 1

A theory that describes three of the four fundamental forces and classifies all known elementary particles.

Question 2

What are the four fundamental forces in the universe?

Answer 2

• Gravity
• Electromagnetic
• Strong
• Weak

Question 3

Which of the four fundamental forces are described in the Standard Model?

Answer 3

• Electromagnetic
• Strong
• Weak

Question 4

What is the force not included in the Standard Model?

Answer 4

Gravity

Question 5

How are particles classified in the Standard Model?

Answer 5

Into fermions (matter particles) and bosons (force-carrying particles).

Question 6

What are the types of fermions?

Answer 6

• Quarks
• Leptons

Question 7

How many types of quarks are there in the Standard Model?

Answer 7

Six:

• Up
• Down
• Charm
• Strange
• Top (truth)
• Bottom (beauty)

Question 8

What are the alternate names for some types of quarks?

Answer 8

• Top (truth)
• Bottom (beauty)

Question 9

How many types of leptons are there in the Standard Model?

Answer 9

Six:

• Electron
• Muon
• Tau
• Electron neutrino
• Muon neutrino
• Tau neutrino

Question 10

What are the types of bosons?

Answer 10

• Gauge bosons
• Higgs boson

Question 11

How many types of gauge bosons are there in the Standard Model?

Answer 11

Four:

• Photon
• W and Z bosons
• Gluons

Question 12

What role does the Higgs boson play in the Standard Model?

Answer 12

It gives other particles their mass.

Question 13

Who are some key contributors to the development of the Standard Model?

Answer 13

• Sheldon Glashow
• Steven Weinberg
• Abdus Salam