An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Number of Results: 3 Search : positron
electron-positron pair
  جفت ِ الکترون-پوزیترون   
joft-e elektron-pozitron (#)

Fr.: paire électron-positron   

The simultaneous formation of an → electron and a → positron in the → pair production process.

electron; → positron; → pair.

positron
  پوزیترون   
pozitron

Fr.: positron   

The antiparticle of the electron, which has the same mass, spin, and charge as the electron, but the charge is positive. Positrons may be generated by radioactive decay or by pair production from energetic gamma photons.

From posi(tive), → positive + (elec)tronelectron.

positronium
  پوزیترونیوم   
pozitroniom

Fr.: positronium   

A short-lived bound state of a positron and an electron.

From → positron + -ium (as in barium, titanium), from N.L., from L. neuter suffix.