411 REFERENCE · Wiktionary
Penning trap
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after Frans Michel Penning (1894–1953), Dutch physicist.
Noun
A device for the storage of charged particles using a homogeneous static magnetic field and a spatially inhomogeneous static electric field.
en Penning traps can be used to store antiprotons.
en eponyms