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Application of Nuclear Magnetic Resonance to Field Monitoring and Control in Mass and Alpha Energy Spectrometry
Volume 12, Number 1 (Feb. 1958) Page 12-16
Sheffield, James C.; White, Frederick A.
Nuclear magnetic resonance instrumentation was applied to mass spectrometers in several arrangements of magnet field stabilization and control and as a monitor of the relative fields of paired magnet systems. Precise measurements of the magnetic field of an alpha spectrometer were made in determining alpha particle energies by monitoring the resonance frequency with an accurate frequency meter.