Abstract
Using the QCD sum rule approach, we calculate the electric dipole moment of the neutron induced by a vacuum θ angle to approximately 40% – 50% precision, dn=1.2 ×10−16 ¯ θecm. Combined with the new experimental bound, this translates into the limit |¯ θ| < 6 × 10−10.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2526-2529 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 83 |
| Issue number | 13 |
| DOIs | |
| State | Published - Jan 1 1999 |