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Development of a 3He magnetometer for a neutron electric dipole moment experiment

Kraft, Andreas ; Koch, Hans-Christian ; Daum, Manfred ; Heil, Werner ; Lauer, Thorsten ; Neumann, Daniel ; Pazgalev, Anatoly ; Sobolev, Yuri ; Weis, Antoine

In: EPJ Techniques and Instrumentation, 2014, vol. 1, no. 1, p. 8

We have developed a highly sensitive 3He magnetometer for the accurate measurement of the magnetic field in an experiment searching for an electric dipole moment of the neutron. By measuring the Larmor frequency of nuclear spin polarized 3He atoms a sensitivity on the femto-Tesla scale can be achieved. A 3He/Cs-test facility was established at the Institute of Physics of the Johannes Gutenberg...