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Enrico Fermi (Italian: [enˈriːko ˈfermi]; 29 September 1901 – 28 November 1954) was an Italian and naturalized American physicist, renowned for being the creator of the world's first artificial nuclear reactor, the Chicago Pile-1, and a member of the Manhattan Project.
The Thomas–Fermi (TF) model, [1] [2] named after Llewellyn Thomas and Enrico Fermi, is a quantum mechanical theory for the electronic structure of many-body systems developed semiclassically shortly after the introduction of the Schrödinger equation. [3]
Fermi–Dirac statistics is a type of quantum statistics that applies to the physics of a system consisting of many non-interacting, identical particles that obey the Pauli exclusion principle. A result is the Fermi–Dirac distribution of particles over energy states .
1000000 zeptometres = 1 femtometre = 1 fermi = 0.000001 nanometre = 10 −15 metres 1 000 000 000 000 femtometres = 1 millimetre . For example, the charge radius of a proton is approximately 0.841 femtometres [ 3 ] while the radius of a gold nucleus is approximately 8.45 femtometres.
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 January 2025. Problem of the lack of evidence for alien life despite its apparent likelihood This article is about the absence of clear evidence of extraterrestrial life. For a type of estimation problem, see Fermi problem. Enrico Fermi (Los Alamos 1945) The Fermi paradox is the discrepancy between ...
Fermi, named for high-energy physics pioneer Enrico Fermi, was launched on 11 June 2008 at 16:05 UTC aboard a Delta II 7920-H rocket. The mission is a joint venture of NASA , the United States Department of Energy , and government agencies in France, Germany, Italy, Japan, and Sweden, [ 6 ] becoming the most sensitive gamma-ray telescope on ...
Fermi National Accelerator Laboratory (Fermilab), located in Batavia, Illinois, near Chicago, is a United States Department of Energy national laboratory specializing in high-energy particle physics. Fermilab's Main Injector, two miles (3.3 km) in circumference, is the laboratory's most powerful particle accelerator . [ 2 ]
Fermi acceleration, [1] [2] sometimes referred to as diffusive shock acceleration (a subclass of Fermi acceleration [3]), is the acceleration that charged particles undergo when being repeatedly reflected, usually by a magnetic mirror (see also Centrifugal mechanism of acceleration).