Seiberg duality and e+e- experiments

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Seiberg duality in supersymmetric gauge theories is the claim that two different theories describe the same physics in the infrared limit. However, one cannot easily work out physical quantities in strongly coupled theories and hence it has been difficult to compare the physics of the electric and magnetic theories. In order to gain more insight into the equivalence of two theories, we study the ''e{sup +}e{sup -}'' cross sections into ''hadrons'' for both theories in the superconformal window. We describe a technique which allows us to compute the cross sections exactly in the infrared limit. They are indeed equal in ... continued below

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24 pages

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De Gouvea, Andre; Friedland, Alexander & Murayama, Hitoshi October 2, 1998.

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Seiberg duality in supersymmetric gauge theories is the claim that two different theories describe the same physics in the infrared limit. However, one cannot easily work out physical quantities in strongly coupled theories and hence it has been difficult to compare the physics of the electric and magnetic theories. In order to gain more insight into the equivalence of two theories, we study the ''e{sup +}e{sup -}'' cross sections into ''hadrons'' for both theories in the superconformal window. We describe a technique which allows us to compute the cross sections exactly in the infrared limit. They are indeed equal in the low-energy limit and the equality is guaranteed because of the anomaly matching condition. The ultraviolet behavior of the total ''e{sup +}e{sup -}'' cross section is different for the two theories. We comment on proposed nonsupersymmetric dualities. We also analyze the agreement of the ''{gamma}{gamma}'' and ''WW'' scattering amplitudes in both theories, and in particular try to understand if their equivalence can be explained by the anomaly matching condition.

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24 pages

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INIS; OSTI as DE00836538

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  • Journal Name: Physical Review D; Journal Volume: 59; Journal Issue: 10; Other Information: Submitted to Physical Review D: Volume 59, No.10; Journal Publication Date: 05/15/1999

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  • Report No.: LBNL--42246
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 836538
  • Archival Resource Key: ark:/67531/metadc782649

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  • October 2, 1998

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  • Dec. 3, 2015, 9:30 a.m.

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  • June 22, 2016, 6:35 p.m.

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De Gouvea, Andre; Friedland, Alexander & Murayama, Hitoshi. Seiberg duality and e+e- experiments, article, October 2, 1998; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc782649/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.