antihydrogen

Hydrogen's antimatter counterpart

Antihydrogen is the antimatter counterpart of hydrogen, consisting of an antiproton orbited by a positron rather than a proton and electron.

When antihydrogen contacts ordinary matter, both annihilate in a burst of energy.

Scientists create and study antihydrogen to test whether antimatter behaves identically to matter under physical laws.

antimatter

antiatom

Atom of antimatter

production

positron

Electron's antimatter counterpart

cooling · ultracold

experiment

ALPHA

First or foremost

confinement · trapping · measurement · precision · detection · cryogenics · neutralization

physics

Lyman-alpha

Hydrogen emission wavelength

Opposites
matter/antimatter composition

antihydrogenhydrogen

Simplest atomic element

protium · matter · deuterium · tritium · helium

Family

hydrogen, antimatter, hydrogenation, antiparticle, hydrogenate, hydrogenated, antiproton, antineutron, antielectron

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