Weak Force & Higgs

Question 1

How do we define the Fermi coupling constant?

Answer 1

Question 2

What is the discrete symmetry Lagrangian?

Answer 2

Question 3

What is the minima, pertubation and boson mass of the discrete symmetry Lagrangian?

Answer 3

Question 4

What is the continuous symmetry Lagrangian?

Answer 4

Question 5

What is the minima & perturbitive fields of the continuous symmetry Lagrangian?

Answer 5

Question 6

What is the gauge symmetry (Higgs) Lagrangian?

Answer 6

Question 7

What is the minima & masses associated with the gauge symmetry (Higgs) Lagrangian?

Answer 7

Question 8

What is the electroweak phi field in the unitary gauge?

Answer 8

Question 9

What is the gauge-fixing term for a massive boson, and the propagator that results from it?

Answer 9

Question 10

How do we define left & right-handed fields?

Answer 10

Question 11

What are the quark & lepton weak doublets?

Answer 11

Question 12

How do weak singlets & doubles change under an SU(2) rotation? What are the generators of SU(2)?

Answer 12

Question 13

How are the positive/negative W-bosons defined in terms of numerical fields?

Answer 13

Question 14

What is the Higgs full Lagrangian, and the corrosponding covariant derivative?

Answer 14

Question 15

What is the weak covariant derivative acting on the field expression?

Answer 15

Question 16

How is the weak mixing angle defined?

Answer 16

Question 17

How do the photon & Z-boson fields emerge?

Answer 17

Question 18

What are the W-boson & Z-boson masses?

Answer 18

Question 19

What are the Yukawa coupling terms for both leptons & quarks?

Answer 19

Question 20

How does the fundamental electric unit relate to the weak mixing angle?

Answer 20

Question 21

How do charge, isospin & hypercharge relate?

Answer 21

Question 22

What is the W/Z-boson propagator, in the unitary gauge?

Answer 22

Question 23

Describe the features of the unitary gauge.

Answer 23

Question 24

Describe the features of the R-xi gauge

Answer 24