Centrifugal separation and equilibration dynamics in an electron-antiproton plasma.
Phys Rev Lett
; 106(14): 145001, 2011 Apr 08.
Article
em En
| MEDLINE
| ID: mdl-21561196
ABSTRACT
Charges in cold, multiple-species, non-neutral plasmas separate radially by mass, forming centrifugally separated states. Here, we report the first detailed measurements of such states in an electron-antiproton plasma, and the first observations of the separation dynamics in any centrifugally separated system. While the observed equilibrium states are expected and in agreement with theory, the equilibration time is approximately constant over a wide range of parameters, a surprising and as yet unexplained result. Electron-antiproton plasmas play a crucial role in antihydrogen trapping experiments.
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01-internacional
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MEDLINE
Idioma:
En
Ano de publicação:
2011
Tipo de documento:
Article