Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physics 1988
Leon M. Lederman, Melvin Schwartz, Jack Steinberger

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Jack Steinberger - Facts

Jack Steinberger

Jack Steinberger

Born: 25 May 1921, Bad Kissingen, Germany

Affiliation at the time of the award: CERN, Geneva, Switzerland

Prize motivation: "for the neutrino beam method and the demonstration of the doublet structure of the leptons through the discovery of the muon neutrino"

Field: particle physics

Prize share: 1/3

Discoveries Concerning Neutrinos

In decays of certain elementary particles, neutrinos are produced, particles that occasionally can interact with matter to produce an electron. Jack Steinberger, Leon Lederman and Melvin Schwartz managed to produce a beam of neutrinos using a high energy accelerator. In 1962 they discovered that in some cases instead of producing an electron, a muon (200 times more massive than the electron) was produced, showing the existence of a new type of neutrino, muonneutrino. These particles, called leptons, could be classified in families.

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