Aleksandr Chudakov

Aleksandr Chudakov

Infobox_Scientist
name = Aleksandr Evgenievich Chudakov



image_width = 140px
caption =
birth_date = birth date|1921|06|16|df=y
birth_place = Russia
death_date = death date and age|2001|1|25|1921|06|16|df=y
death_place = Moscow, Russia
residence =
citizenship = USSR, Russia
nationality = Russia
ethnicity = Russian
field = Physicist
work_institution = Moscow State University
Chairman of the IUPAP Cosmic Ray Comission
alma_mater = Moscow State University
doctoral_advisor = S. N. Nernov
doctoral_students =
known_for = Chudakov effect
author_abbreviation_bot =
author_abbreviation_zoo =
prizes =
religion =
footnotes =

Aleksandr Evgenievich Chudakov (16 June 1921 — 25 January 2001, Moscow) was a Russian physicist in the field of cosmic-ray physics, known for "Chudakov Effect", the effect of decreasing ionization losses for narrow electron-positron pairs and for experimentally confirming existence of the transition radiationcite web| url = http://library.cern.ch/archives/biographies/Biographical.htm
publisher= Who's who at CERN
title= Aleksandr Chudakov
accessdate=2008-07-26
] .He was also the chairman of the IUPAP Cosmic Ray Commission.

Biography and scientific career

Aleksandr Chudakov was born on 16 June 1921, and graduated from Moscow State University (MSU) in 1948cite web| url = http://www.iupap.org/commissions/c4/cosnews/cosnews45.html
publisher= International Union of Pure and Applied Physics
title= Cosmic Ray News Bulletin
accessdate=2008-07-26
] . In 1953 his experimental confirmation of the existence of the transition radiation, which was predicted by Ginzburg and Ilya Frank in 1945, and the effect of decreasing ionization losses for narrow electron-positron pairs, known as the "Chudakov Effect", are among Chudakov's famous works. Phenomena similar to Chudakov Effect have been observed in quantum chromodynamics also.
Chudakov was the author of series of experiments carried out in the 1950s, which focused on investigation of the cosmic rays outside of the atmosphere with rockets and first satellites. As a result, during the third Soviet sputnik, he discovered the Earth's radiation belts in collaboration with S. N. Nernov cite web| url = http://library.cern.ch/archives/biographies/Chudakov_A-200104.pdf
publisher= CERN Scientific Information Service
title= Aleksandr Chudakov
accessdate=2008-07-26
] .
In 1961 Chudakov and G. T. Zatsepin suggested the air Chernkov method for the gamma-ray astronomy and carried out a pioneering experiment at Katsively, Crimea.
From the mid-1960s Chudakov headed the design and construction of the Baksan Underground Scintillation Telescope, which was put into operation in 1978 and considered to be one of the first large multipurpose facilities for underground physics. In astroparticle physics the first class results have been obtained with this telescope which is still in operationcite web| url = http://www.inr.ac.ru/INR/Welcome.html
publisher= The Institute for Nuclear Research of the Russian Academy of Sciences
title= Baksan Neutrino Observatory
accessdate=2008-07-26
] .

References

Persondata
NAME= Aleksandr Evgenievich Chudakov
ALTERNATIVE NAMES=Chudakov
SHORT DESCRIPTION= Russian Physicist
DATE OF BIRTH= 16 June 1921
PLACE OF BIRTH= USSR
DATE OF DEATH= 25 January 2001
PLACE OF DEATH= Moscow, USSR


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