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Nuclear Physics Seminars

ics Nuclear
Tuesday, April 4, 2006
3:30 PM
Physics Building, Room 204
Dipangkar Dutta [Host: Donal Day]
Duke University
"Search for a Permanent Electric Dipole Moment (EDM) of the Neutron"
The search for a non-zero neutron EDM is a direct search for time reversal symmetry violation. Recently, a new experiment has been proposed to search for the neutron electric dipole moment (nEDM) with about two orders of magnitude improved sensitivity compared to the current experimental limit. One of the critical new ideas, which helps achieve the improved sensitivity, is the use of polarized Helium-3 as a co-magnetometer. Polarized He-3 is a key new component of this proposed experiment and thus maintaining its polarization under the true experimental conditions is essential for the success of the experiment. Following an overview of the past searches for the neutron EDM, I will describe the new experiment and the effort underway at Duke to study the relaxation of polarized He-3 under the conditions of the new proposed experiment.

To add a speaker, send an email to phys-speakers@Virginia.EDU. Please include the seminar type (e.g. Nuclear Physics Seminars), date, name of the speaker, title of talk, and an abstract (if available).