Conservation of weak isospin

  • Thread starter RedX
  • Start date
  • #1
970
3
How is weak isospin conserved?

Before spontaneous symmetry breaking, it's conserved - by construction.

Afterwards, the vacuum expectation value of the Higgs breaks the symmetry.

It's the mass terms, and interactions of the Higgs field, where the symmetry is broken, and so there is no conservation for these processes.

The mass terms, however, can appear in interaction calculations through propagators and spinors, and so anywhere there is mass should there not be non-conservation of isospin?
 

Answers and Replies

Related Threads on Conservation of weak isospin

  • Last Post
Replies
2
Views
6K
Replies
1
Views
963
Replies
21
Views
4K
  • Last Post
Replies
4
Views
2K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
3
Views
652
Replies
2
Views
867
  • Last Post
Replies
2
Views
412
  • Last Post
Replies
5
Views
2K
  • Last Post
Replies
0
Views
2K
Top