Instantons and the ΔI = 1/2 Rule
Abstract
The instanton-induced interaction leads to a significant enhancement of the A0 weak amplitude determining the ΔI = 1/2 rule, through the contribution of operators with dimension d = 9, as we show in the weak K-->ππ decay.
- Publication:
-
Physical Review Letters
- Pub Date:
- September 2001
- DOI:
- 10.1103/PhysRevLett.87.111601
- arXiv:
- arXiv:hep-ph/0101337
- Bibcode:
- 2001PhRvL..87k1601K
- Keywords:
-
- High Energy Physics - Phenomenology
- E-Print:
- 4 pages, 2 figures, Revtex