My experiment’s paper just got published today in Nature: Improved limit on the electric dipole moment of the electron.
An accompanying blog post:
Basically, even with our 12-fold increase in precision, we still found that the electron’s electric dipole moment is zero, casting doubts on the viability of many versions of supersymmetry (which is required for more fancy theories such as string theory) as well as mechanisms for how there came to be more matter than antimatter! Particle physics still doesn’t know why the universe exists.
This result is also very significant because it is effectively probing for particles at the 3-30 TeV level. This means that as we didn’t find anything deviating from the Standard Model of particle physics, it’s likely that people at the Large Hadron Collider also will not find anything unexpected in the next few years. We’re basically all kind of stumped at this point.