First measurement of the velocity of slow antihydrogen atoms

G. Gabrielse*, A. Speck, C. H. Storry, D. LeSage, N. Guise, D. Grzonka, W. Oelert, G. Schepers, T. Sefzick, H. Pittner, J. Walz, T. W. Hänsch, D. Comeau, E. A. Hessels

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

The speed of antihydrogen atom which was deduced from the fraction that passed through an oscillating electric field without ionizing was discussed. The measurements were found to be accurate for most weakly bound states. The measurements revealed that the velocity of antihydrogen atom depended on the strength of the driving force, the number and density of the e+ and p̄ and the binding energy or size of the H̄ atoms. A slower H̄ was found to be produced by slowly lowering the depth of the center well in the nested Penning trap.

Original languageEnglish (US)
Article number073401
Pages (from-to)073401-1-073401-4
JournalPhysical review letters
Volume93
Issue number7
DOIs
StatePublished - Aug 13 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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