Penning trap

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Penning trap [′pen·iŋ ‚trap]

(engineering)

A device for trapping electrons and isolating single electrons, consisting of a large, homogeneous magnetic field plus a superimposed weak parabolic electric potential created by a positive charge +Qon a ring electrode and two negative charges -Q/2 each on two cap electrodes.

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No references found			The so-called Paul trap and its cousin, the Penning trap, play an important role in modern spectroscopy. Physics Nobel: traps, clocks, quantum leaps by Peterson, I. / Science News One experiment aimed at doing that at the CERN laboratory in Geneva, Switzerland, has managed to capture antiprotons in a device called a Penning trap and hold them for periods of up to 10 minutes. Trapping antimatter: antiprotons on hold by Thomsen, Dietrick E. / Science News Such a crystal, confined in a Penning trap with its rotation locked to a rotating electric field, has potential applications in atomic frequency standards and quantum logic. STICK-SLIP MOTION OF A STRESSED COULOMB CRYSTAL OBSERVED BY NIST ... by Journal of Research of the National Institute of Standards and Technology			pennaceous Pennacook Pennales Pennamite Wars pennant pennantite pennate Pennatulacea Pennatularia Pennebaker, D. A. Pennell, Joseph Pennellidae Penner Penney Penney, J C Penney, J. C. penniculus Penniman, Richard Wayne Pennine Pennine Alps Pennine Way Pennines Penning gage Penning ion source Penning ionization Penning trap Penning-trap mass spectrometer Pennington County Pennington, Mary Engle Pennington, William Penninite Pennisetum pennon Pennsylvania Pennsylvania Academy of the Fine Arts Pennsylvania Avenue National Historic Site Pennsylvania barn Pennsylvania Day Pennsylvania Dutch Pennsylvania Dutch barn Pennsylvania Dutch Folk Festival Pennsylvania Forestry Association Pennsylvania Miners Strike of 1902 Pennsylvania Museum of Art Pennsylvania Railroad Pennsylvania Railroad Co. Pennsylvania State Parks Pennsylvania State University Pennsylvania truss Pennsylvania, University Pennsylvania, University of			pennillion Penniman, Richard Wayne Pennine Pennine Pennine Acute Safeguarding Advisory Group Pennine Alps Pennine Alps Pennine Chain Pennine Chain Pennine Debt Recovery Services Ltd Pennine Hills Pennine Hills Pennine Range Pennine Range Pennine Region Balloon Association Pennine School of Anaesthesia Site Pennine Way Pennine Way Penninerved Pennines Pennines penning penning penning penning penning penning Penning gage Penning ion source Penning ionization Penning trap penning up penning up penning up penning up penning up Penning-trap mass spectrometer Pennington Biomedical Research Center Pennington Biomedical Research Foundation Pennington County Pennington County Search and Rescue Pennington County, Minnesota Pennington County, MN Pennington County, SD Pennington County, South Dakota Pennington Gap Police Department Pennington Presbyterian Nursery School Pennington Quality Market Pennington, Mary Engle Pennington, William Pennington-Ewing Athletic Club penninite penninite Penninsula Penninsula Pennipotent pennis pennis Pennisetum Pennisetum Pennisetum

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