Nuclear electric dipole moment of 3He
Copyright policy )Nuclear electric dipole moment of 3He
A permanent electric dipole moment (EDM) of a physical system requires time-reversal (T) and parity (P) violation. Experimental programs are currently pushing the limits on EDMs in atoms, nuclei, and the neutron to regimes of fundamental theoretical interest. Here we calculate the magnitude of the PT-violating EDM of 3He and the expected sensitivity of such a measurement to the underlying PT-violating interactions. Assuming that the coupling constants are of comparable magnitude for pi-, rho-, and omega-exchanges, we find that the pion-exchange contribution dominates. Our results suggest that a measurement of the 3He EDM is complementary to the planned neutron and deuteron experiments, and could provide a powerful constraint for the theoretical models of the pion-nucleon PT-violating interaction.
6 pages, 1 figure
- University of North Texas United States
- Oak Ridge National Laboratory United States
- Lawrence Berkeley National Laboratory United States
- Los Alamos National Laboratory United States
- University of Wisconsin–Oshkosh United States
Coupling Constants, Neutrons, Atoms, Nuclear and High Energy Physics, Nuclear Theory, Electric dipole moments, Electric Dipole Moments, 73 Nuclear Physics And Radiation Physics, FOS: Physical sciences, Nucleon–nucleon interactions, Nuclei, Time-reversal and parity violation, Nuclear Theory (nucl-th), Sensitivity, Storage Rings, Deuterons, Nuclear Experiment (nucl-ex), Nuclear Experiment
Coupling Constants, Neutrons, Atoms, Nuclear and High Energy Physics, Nuclear Theory, Electric dipole moments, Electric Dipole Moments, 73 Nuclear Physics And Radiation Physics, FOS: Physical sciences, Nucleon–nucleon interactions, Nuclei, Time-reversal and parity violation, Nuclear Theory (nucl-th), Sensitivity, Storage Rings, Deuterons, Nuclear Experiment (nucl-ex), Nuclear Experiment
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