The logarithmic ultraviolet divergence in the θ-term induced by electroweak interactions in the Kobayashi-Maskawa model of CP violation, found by Ellis and Gaillard, is discussed. We relate it to the Jarlskog CP-odd invariant of the quark mass matrix. The divergence arises in 14th order in Higgs coupling as well as in 12th order plus 2nd order in U(1) gauge boson coupling.
| Original language | English |
|---|---|
| Pages (from-to) | 27-32 |
| Number of pages | 6 |
| Journal | Nuclear Physics, Section B |
| Volume | 414 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - 14 Feb 1994 |
| Externally published | Yes |
ID: 36647886