Sommerfeld parameter

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English[edit]

English Wikipedia has an article on:
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Etymology[edit]

Named after German physicist Arnold Sommerfeld.

Noun[edit]

Sommerfeld parameter (plural Sommerfeld parameters)

  1. (physics) A dimensionless quantity, denoted by η, used in nuclear astrophysics in the calculation of reaction rates between two nuclei and in the definition of the astrophysical S-factor.
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