Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physics 1936
Victor F. Hess, Carl D. Anderson

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Carl D. Anderson - Facts

Carl David Anderson

Carl David Anderson

Born: 3 September 1905, New York, NY, USA

Died: 11 January 1991, San Marino, CA, USA

Affiliation at the time of the award: California Institute of Technology (Caltech), Pasadena, CA, USA

Prize motivation: "for his discovery of the positron"

Field: particle physics

Prize share: 1/2

Discovered the Positron

In developing quantum mechanics, Paul Dirac proposed that all matter has a kind of mirror image - antimatter. A particle and its antiparticle, if charged, should have opposite charge. In studying tracks of cosmic ray particles in a cloud chamber, Carl Anderson discovered in 1932 a particle of positive charge and with a mass equal to that of the electron. Anderson's particle was the first established antiparticle and was named positron.

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