Concept information
Preferred term
S-process
Definition
- A nucleosynthesis process by which chemical elements heavier than copper are formed through a slow flux of neutrons absorbed by atomic nuclei (neutron-capture element). The capture of neutrons occurs on time scales that are long enough to enable unstable nuclei to decay via the emission of a beta particle before absorbing another neutron. Prominent s-process elements include barium, zirconium, and yttrium. (en)
Broader concept
- Nucleosynthesis (en)
- Stellar nucleosynthesis (en)
Entry terms
- Slow-neutron-capture process (en)
- S process (en)
Editorial note
URI
http://astrothesaurus.org/uat/1419
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