Thursday, October 28, 2010, 3:00 pm — Small Seminar Room, Bldg. 510
The current best experimental limit for the static electric dipole moment of the neutron (nEDM) is dn < 2.9ยท10-26 ecm (90 % CL). A non-zero nEDM would break time reversal and parity symmetry. The nEDM prediction from the Standard Model of Particle Physics (SM) is several orders of magnitude smaller than the current best experimental limit but extensions of the SM predict a nEDM in the order of this limit.
We are currently setting up an experiment at the new ultra-cold neutron (UCN) source of the Paul Scherrer Institut (PSI), Switzerland, with the ultimate goal to increase the sensitivity to a nEDM by almost two orders of magnitude.
I will discuss the various improvements implemented in our experimental setup.
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