Chapter

Doodling toward a New “Theory”

in Drawing Theories Apart

Published by University of Chicago Press

Published in print June 2005 | ISBN: 9780226422664
Published online March 2013 | e-ISBN: 9780226422657 | DOI: http://dx.doi.org/10.7208/chicago/9780226422657.003.0008
Doodling toward a New “Theory”

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In the spring of 1964, Jerry Finkelstein, a graduate student in Berkeley's physics department, summarized material culled from earlier course notes—courses that had covered several topics in theoretical particle physics, many of which his adviser, Geoffrey Chew, had first pioneered or championed only a few years earlier. Finkelstein's study notes comprised simple line drawings, though the diagrams looked to be Feynman diagrams to the casual observer. Finkelstein called the examples in his notes by different names such as Landau graphs, polology diagrams, and Cutkosky diagrams. This chapter discusses these examples in detail. Many particle theorists greeted the failure of perturbative techniques for the strong interactions by working with an alternative representation of particles' scatterings, in the form of dispersion relations. Theorists such as Murph Goldberger, Murray Gell-Mann, Francis Low, Geoffrey Chew, and Nambu Yoichiro launched the new phase of dispersion-relations work.

Keywords: dispersion relations; particle physics; Jerry Finkelstein; Landau graphs; perturbative techniques

Chapter.  15084 words.  Illustrated.

Subjects: History of Science and Technology

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