Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:theoretical_physics
|
| gptkbp:address |
strong CP problem
|
| gptkbp:brokenBy |
spontaneous symmetry breaking
|
| gptkbp:category |
theoretical particle physics
symmetry breaking physics beyond the Standard Model |
| gptkbp:consequence |
axion as pseudo-Nambu–Goldstone boson
|
| gptkbp:field |
particle physics
|
| https://www.w3.org/2000/01/rdf-schema#label |
Peccei–Quinn mechanism
|
| gptkbp:namedAfter |
gptkb:Helen_Quinn
gptkb:Roberto_Peccei |
| gptkbp:predicts |
gptkb:axion
|
| gptkbp:proposedBy |
gptkb:Helen_Quinn
gptkb:Roberto_Peccei |
| gptkbp:relatedTo |
gptkb:quantum_chromodynamics
|
| gptkbp:symmetry |
global U(1) symmetry
|
| gptkbp:yearProposed |
1977
|
| gptkbp:bfsParent |
gptkb:Alessandro_Peccei
|
| gptkbp:bfsLayer |
7
|