= Hans Georg Dehmelt
{c}
{tag=Physicist}
{title2=1922-2017}
= Hans Dehmelt
{c}
{synonym}
= Hans G. Dehmelt
{c}
{synonym}
An experimental <atomic physicist> who developed precision measurements on isolated trapped charged particles. In a <Penning trap>, electric and <magnetic fields> confine the particle long enough for its characteristic oscillations and <spin> transitions to be studied. Isolation reduces collisions and permits repeated observations of the same particle, connecting trap design to unusually precise measurements.<Experiments with an isolated subatomic particle at rest by Hans Georg Dehmelt>[Nobel lecture: isolated-particle trapping and precision spectroscopy]{ref}
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