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electric dipole |
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electric dipolePair of equal and opposite electric charges, the centres of which do not coincide. An atom in which the centre of the negative cloud of electrons has been shifted slightly away from the nucleus by an external electric field is an induced electric dipole. When the external field is removed, the atom loses its dipolarity. A water molecule, in which two hydrogen atoms are situated to one side of an oxygen atom, is a permanent electric dipole. The oxygen side is always slightly negative, the hydrogen side slightly positive. |
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They highlight new results and developments in such topics as neutron electric dipole moment searches, neutron optics and interferometry, Standard Model tests using neutron beta decay, neutron facilities, neutron polarimetry, and nucleon-nucleon interactions. At high pressures, the two electrons prefer to stay close to just one of the protons, producing an uneven distribution of charge known as an electric dipole. The conference started with a session on what is considered by many particle physicists to be the flagship of the field, namely the search for an electric dipole moment (EDM) of the neutron. |
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electric dipole
