Neutron Electric Dipole Moment (EDM) experiments provide tight
constraints on extensions to the Standard Model, which attempt to
elaborate the mechanisms of CP violation. The latest result set the
upper limit for the neutron EDM to 2.9x10-26 ecm.
Here, I will focus on the new nEDM experiment being set up at the Paul
Scherrer Institut. Measurements are expected to start in spring 2010
with a sensitivity of 5x10-27 ecm. A new and improved apparatus will,
at a later stage, yield an additional increase in sensitivity down to
5x10-28 ecm. After a general introduction, I will concentrate on the
contributions to the project achieved during my PhD thesis. i)
Assessment and possible countermeasures to the systematic errors for the
upcoming measurement period, ii) the construction and testing of an
efficient energy dependent ultracold neutron detection system, and iii)
the first physics result obtained by our collaboration with the
apparatus: the limit on neutron to mirror-neutron oscillations.
Argonne Physics Division Seminar Schedule