Critical Loss Radius in a Penning Trap Subject to Multipole Fields

Refereed Publication

When particles in a Penning trap are subject to a magnetic multipole field, those beyond a critical radius will be lost. The critical radius depends on the history by which the field is applied, and can be much smaller if the particles are injected into a preexisting multipole than if the particles are subject to a ramped multipole. Both cases are relevant to ongoing experiments designed to trap antihydrogen.

J. Fajans, N. Madsen, and F. Robicheaux

Physics of Plasmas 15, 032108 (2008)PDF of Publication

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