(Anti)hydrogen recombination studies in a nested Penning trap

W. Quint*, R. Kaiser, D. Hall, G. Gabrielse

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Extremely cold antiprotons, stored in a Penning trap at 4 K, open the way toward the production and study of cold antihydrogen. We have begun experimentally investigating the possibility to recombine cold positrons and antiprotons within nested Penning traps. Trap potentials are adjusted to allow cold trapped protons (and positive helium ions) to pass through cold trapped electrons. Electrons, protons and ions are counted by ejecting them to a cold channel plate and by nondestructive radiofrequency techniques. The effect of the space charge of one trapped species upon another trapped species passing through is clearly observed.

Original languageEnglish (US)
Pages (from-to)181-188
Number of pages8
JournalHyperfine Interactions
Issue number1
StatePublished - Dec 1 1993

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry


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