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 : beta decay
beta decay
  تباهی ِ بتا   
tabâhi-ye betâ (#)

Fr.: désintegration bêta   

The transformation of a → radioactive nuclide in which a → beta particle is emitted. In beta minus decay, a → neutron changes into a → proton, → antineutrino, and → electron: n → p + e + ν-. Beta plus decay involves the conversion of a proton to a neutron, → positron, and → neutrino: p → n + e+ + ν.

Beta (β), from → beta particle; → decay.

inverse beta decay
  تباهی ِ وارون ِ بتا   
tabâhi-ye vârun-e β (#)

Fr.: désintégration β inverse   

A collision of a proton with an electron that produces a neutron and an electron neutrino. See → beta decay.

inverse; β, letter of Gk. alphabet; → decay.