antihydrogen

Noun

Meaning

(physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron (antielectron).

(physics, countable) An atom of the antimatter equivalent of hydrogen.

Examples

Antihydrogen was first produced by ATHENA in 2002, citation and then by ATRAP citation and by 2004, millions of antihydrogen atoms were made. Source: Internet

In 2011, CERN scientists were able to preserve antihydrogen for approximately 17 minutes. Source: Internet

In June 2011, trapped 309 antihydrogen atoms, up to 3 simultaneously, for up to 1,000 seconds. citation citation They then studied its hyperfine structure, gravity effects, and charge. Source: Internet

On 26 April 2011, ALPHA announced that they had trapped 309 antihydrogen atoms, some for as long as 1,000 seconds (about 17 minutes). Source: Internet

Some hundreds of millions of antihydrogen atoms have been made in this fashion. Source: Internet

The antihydrogen atoms created during PS210 and subsequent experiments (at both CERN and Fermilab) were extremely energetic and were not well suited to study. Source: Internet

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