- Pierre Victor Auger
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May 14, 1899
December 25, 1993
Pierre Victor Auger (
May 14, 1899– December 25, 1993) was a French physicist, born in Paris. He worked in the fields of atomic physics, nuclear physicsand cosmic rayphysics.
The Auger process where
Auger electrons are emitted from atoms was named after him, despite the fact that Lise Meitnerdiscovered the process a few years before in 1923.
In his work with cosmic rays, he found that the cosmic radiation events were coincident in time meaning that they were associated with a single event, an air shower. He estimated that the energy of the incoming particle that creates large air showers must be at least 1015
electronvolts (eV) = 106 particles of 108 eV (critical energy in air) and a factor of ten for energy loss from traversing the atmosphere (Auger "et al.", 1939).
The world's largest cosmic ray detector, the
Pierre Auger Observatory, is named after him.
*cite journal | author=P. Auger "et al." | title= [http://prola.aps.org/abstract/RMP/v11/i3-4/p288_1 Extensive Cosmic-Ray Showers] | journal=Rev. Mod. Phys. | volume=11 | issue=3-4| year=1939 | pages=288–291 | doi=10.1103/RevModPhys.11.288
* [http://auger.cnrs.fr/pierre_auger.html Pierre Auger: The Pioneering Work]
* [http://www.auger.org/ Pierre Auger Observatory]
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