Concept information
Preferred term
Alpha Particles
Type
-
mesh:Descriptor
Definition
- Positively charged particles composed of two protons and two NEUTRONS, i.e. equivalent to HELIUM nuclei, which are emitted during disintegration of heavy ISOTOPES. Alpha rays have very strong ionizing power, but weak penetrability. A beam of ALPHA PARTICLES.
Broader concept
Allowable Qualifier(s)
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/JVR-T5BKPGHK-R
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