Nuclear Physics Seminars
Tuesday, March 20, 2012
Physics Building, Room 204
[Host: D.G. Crabb]
North Carolina State University
"The nEDM Project: A new cryogenic measurement of the electric dipole moment of the neutron"
A measurement of a non-zero electric dipole moment of the neutron would have implications on our understanding of the Standard Model and the matter-antimatter asymmetry in the present universe. In 1994 Golub and Lamoreaux (Physics Reports 237, 1—62 (1994)) proposed a new measurement strategy that makes use of several unusual properties of liquid helium. A collaboration of 19 US research groups is now pursuing R&D for an experiment to be installed at the Spallation Neutron Source at ORNL. The talk will outline the features and significance of this measurement, and then focus on the cryogenic challenges of the experiment.
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