An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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dark matter decay
  تباهی ِ ماده‌ی ِ تاریک  
tabâhi-ye mâde-ye târik
Fr.: désintégration de la matière noire  

In theoretical models, the hypothetical transformation of a → non-baryonic dark matter particle when symmetry is violated at special physical conditions. Dark matter decay and → dark matter annihilation are expected to produce enormous amounts of energy in the form of gamma-rays, cosmic rays, etc.

See also: → dark; → matter; → decay.