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Rev Sci Instrum. 2015 Feb;86(2):023303. doi: 10.1063/1.4907352.

An efficient, movable single-particle detector for use in cryogenic ultra-high vacuum environments.

Author information

1
Institut für Atom- und Molekülphysik, Justus-Liebig-Universität Gießen, 35392 Gießen, Germany.
2
Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
3
Columbia Astrophysics Laboratory, Columbia University, New York, New York 10027, USA.

Abstract

A compact, highly efficient single-particle counting detector for ions of keV/u kinetic energy, movable by a long-stroke mechanical translation stage, has been developed at the Max-Planck-Institut für Kernphysik (Max Planck Institute for Nuclear Physics, MPIK). Both, detector and translation mechanics, can operate at ambient temperatures down to ∼10 K and consist fully of ultra-high vacuum compatible, high-temperature bakeable, and non-magnetic materials. The set-up is designed to meet the technical demands of MPIK's Cryogenic Storage Ring. We present a series of functional tests that demonstrate full suitability for this application and characterise the set-up with regard to its particle detection efficiency.

PMID:
25725832
DOI:
10.1063/1.4907352

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