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Origin: United States of America . Murray Gell-Mann. By: Josie Boltjes-Johnson. Murray Gell-Mann. Born September 15 th , 1929 in New York City. Got his B.Sc. At Yale University in 1949. In 1952, got his Ph.D. Ph.D. was from Massachusetts Institute of Technology.

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murray gell mann1
Murray Gell-Mann
  • Born September 15th, 1929 in New York City.
  • Got his B.Sc. At Yale University in 1949.
  • In 1952, got his Ph.D.
  • Ph.D. was from Massachusetts Institute of Technology.

 Massachusetts Institute of Tech.

Yale 

physics
Physics
  • Formulated the “quark model” of hadronic resonances.
  • Identified the SU(3) flavor symmetry of light quarks.
  • Created current algebra in 1960.
  • Responsible for see-saw theory of neutrino masses.

Quark model

physics1
Physics
  • Discovered the sigma model of pions.
  • Kept string theory going throughout the 1970’s.
  • With help of others they discovered, Quantum Chromodynamics.
  • That was in 1984.
slide5

The Quark Model

  • Elementary particle and a fundamental constituent of matter.
  • Quarks combine to form composite particles called hadrons.
  • There are six types of quarks
  • -up
  • -down
  • -charm
  • -strange
  • -top
  • - bottom
the quark model
The Quark Model
  • Up and Down has lowest masses.
  • Charm, strange, top, and bottom only produced in..
  • High energy collisions.
  • (Involving cosmic rays and particle accelerators.)
the quark model1
The Quark Model
  • Quarks have carious intrinsic properties.

-Electric charge

-Color charge

-Spin

-Mass

the quark model2
The Quark Model
  • Classified as the Eightfold Way.
  • Gell-Mann and George Zweig proposed it in 1964.
  • It wasn’t until 1977 it was official.
  • Named it after the sound made by ducks.
murray gell mann2
Murray Gell-Mann
  • Married in 1992, to Marcia Southwick.
  • After she died he married again to J.Margaret Dow.
  • Had 3 children.
  • 1 girl and 2 boys.
murray gell mann3
Murray Gell-Mann
  • Girl: Elizabeth
  • Boys: Nicholas Webster, (step son) Nicholas Southwick Lewis.
  • Total of 30 awards/honors in lifetime.
  • Knew 13 languages and spoke fluently.
cited
Cited

www.nobelprize.org

www.thecareoftrees.com

www.unm.edu

www.wikipedia.org

www.ucr.edu

www.answers.com

www.absoluteastronomy.com

www.encyclopedia.com

www.freefoto.com

www.answers.com

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