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nuclear physics

Nuclear and Particle Physics
at the Spallation Neutron Source

Geoff Greene and Nadia Fomin lead research that addresses such questions as the origin of Time Reversal Non-invariance, spontaneous symmetry breaking, and the Big Bang by studying the particle properties of the neutron. Using the Spallation Neutron Source at ORNL as well as other intense neutron sources such NIST's research reactor and the Institut Laue Langevin's (Grenoble, France) high flux reactor, they investigate such experimental questions as the neutron electric dipole moment, the free neutron lifetime, and the details of parity violation in nuclear processes. The work involves a wide variety of techniques including charged and neutral particle detection, ultra-low temperature cryogenic system, polarized beams, etc. Dr. Fomin is also pursuing electron scattering studies.


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