An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : branching
branching
  شاخه‌زد   
šâxé-zad

Fr.: branchement   

The act of dividing into branches. → branching ratio.

branch; → -ing.

branching ratio
  وابر ِ شاخه‌زد   
vâbar-e šâxé-zad

Fr.: rapport de branchement   

A quantity used to describe a → radionuclide that has more than one → decay mode. For a particular decay mode, the ratio of the number of atoms decaying by that decay mode to the number decaying in total: BRi = ki/(k1 + k2 + ...) = ki/k, where k is → decay constant.

branching; → ratio.