The seminar will take place from 11-12 p.m. PDT in Physics 375 North. Our speaker is Luke Caldwell (University of Colorado). Details are below.

The electron’s electric dipole moment: searching for physics beyond the Standard Model with polar molecules

The Standard Model has been relentlessly successful in describing the results of laboratory experiments, however some of the biggest questions in physics remain unanswered. In particular, the matter–anti-matter asymmetry of the universe requires new physics that violates time-reversal symmetry. In this talk, I will explain how we can search for this new physics by making a precision measurement of the electron’s electric dipole moment and describe our experiment to do this at JILA. The experiment uses hundreds of trapped molecular ions, polarised by a rotating electric field and evolving coherently for more than 1 second. I will present techniques for coherent manipulation and control of systematic errors in this unique environment for precision metrology and discuss the expected sensitivity of our upcoming measurement.

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