Alpha particle

Alpha particle

The nucleus of helium (two protons and two neutrons)emitted as radiation from a decaying nucleus.

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Industry/Domain: Physics
Category: Particle physics
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Related terms

alpha particle

Energy; Nuclear energy

A positively charged particle ejected spontaneously from the nuclei of some radioactive elements. It is identical to a helium nucleus that has a mass number of 4 and an ...

alpha particle

Energy; Nuclear energy

A positively charged particle ejected spontaneously from the nuclei of some radioactive elements. It is identical to a helium nucleus that has a mass number of 4 and an ...

alpha particle

Natural environment; Coral reefs

A particle emitted from the nucleus of an atom, containing two protons and two neutrons, identical to the nucleus (without the electrons) of a helium atom.

alpha particle

Medical devices; Radiology equipment

(image) the nucleus of a helium atom, made up of two neutrons and two protons with a charge of +2. Certain radioactive nuclei emit alpha particles. Alpha particles generally carry ...

alpha particles

Science; Basic science

A particle of matter that is made of two protons and two neutrons. Alpha particles shoot out of nucleus of some radio-active element when they break down into smaller elements ...

alpha particle

Engineering; Electronic engineering

A nuclear particle bearing a positive charge. Consisting of two protons and two neutrons, it is given off by certain radioactive substances. Compare beta rays and gamma rays.

ampere

Physics; Particle physics

A unit used to measure electric current and is measured how great a charge passes a given point in a second.

ordered amorphous carbon clusters (OACC)

Physics; Particle physics

An ultra-hard carbon crystal created artificially by subjecting solvated carbon-60 molecules to extremely high pressures more than 300,000 times than that of atmosphere. The ...