Neutron Electric Dipole Moment
The neutron electric dipole moment (nEDM) is a measure for the distribution of positive and negative charge inside the neutron. A finite electric dipole moment can only exist if the centers of the negative and positive charge distribution inside the particle do not coincide. So far, no neutron EDM has been found. The current best upper limit amounts to |dn| < 2.9×10−26e·cm.
Read more about Neutron Electric Dipole Moment: Theory, Experimental Technique, History, Current Experiments
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