Abstract
Resonant analog detection of ions stored in a Penning trap shows broadening of the ion resonances due to the presence of other ions in the trap. This broadening is reduced when certain m/q ratios are selectively removed. Linewidths have been studied with both axial and radial ion detection systems, for ions produced with different charge using synchrotron radiation photoionization, and for ions with different mass and charge produced using electron impact ionization. Linewidths increase when more ions are confined, apparently due primarily to space charge effects, but initial ion energy may also play a role. The multicharged ions produced using synchrotron radiation had significantly narrower linewidths, due to lower densities and energies.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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