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Preferred term

Neutrons  

Type

  • Topical Descriptor

Broader concept

Narrower concepts

Note

  • elementary particles; IM; FAST NEUTRONS is available

Scope note

  • Electrically neutral elementary particles found in all atomic nuclei except light hydrogen; the mass is equal to that of the proton and electron combined and they are unstable when isolated from the nucleus, undergoing beta decay. Slow, thermal, epithermal, and fast neutrons refer to the energy levels with which the neutrons are ejected from heavier nuclei during their decay.

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URI

http://www.yso.fi/onto/mesh/D009502

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