| 31. | Magnetic field lines of an idealized quadrupole field in the plane transverse to the nominal beam direction.
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| 32. | Schempp's doctoral thesis was entitled " Nuclear Quadrupole Resonance in Nitrogen Heterocycles ".
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| 33. | These measurements led to the discovery in 1939 that the deuteron also possessed an electric quadrupole moment.
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| 34. | A quadrupole moment was found between 17 and 95 microkelvins rms, with 90 % confidence level.
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| 35. | For example, the " quadrupole moment " is the basis for the next term:
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| 36. | It is said that CO 2 has a large quadrupole and N 2 has a smaller one.
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| 37. | While the first synchrotrons and storage rings like the Cosmotron and quadrupole / sextupole magnets for beam focusing.
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| 38. | In spirit of a Wien filter a combined magnetic, electric quadrupole is achromatic around a given velocity.
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| 39. | However, contributions from the current multipoles will typically be much smaller than that of the mass quadrupole.
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| 40. | Ions in a quadrupole field experience restoring forces that drive them back toward the center of the trap.
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