Improved single sector supersymmetry breaking

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Building on recent work by N. Arkani-Hamed and the present authors, we construct realistic models that break supersymmetry dynamically and give rise to composite quarks and leptons, all in a single strongly-coupled sector. The most important improvement compared to earlier models is that the second-generation composite states correspond to dimension-2 ''meson'' operators in the ultraviolet. This leads to a higher scale for flavor physics, and gives a completely natural suppression of flavor-changing neutral currents. We also construct models in which the hierarchy of Yukawa couplings is explained by the dimensionality of composite states. These models provide an interesting and viable ... continued below

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35 pages

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Luty, Markus A. & Terning, John December 9, 1998.

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Building on recent work by N. Arkani-Hamed and the present authors, we construct realistic models that break supersymmetry dynamically and give rise to composite quarks and leptons, all in a single strongly-coupled sector. The most important improvement compared to earlier models is that the second-generation composite states correspond to dimension-2 ''meson'' operators in the ultraviolet. This leads to a higher scale for flavor physics, and gives a completely natural suppression of flavor-changing neutral currents. We also construct models in which the hierarchy of Yukawa couplings is explained by the dimensionality of composite states. These models provide an interesting and viable alternative to gravity- and gauge-mediated models. The generic signatures are unification of scalar masses with different quantum numbers at the compositeness scale, and lighter gaugino, Higgsino, and third-generation squark and slepton masses. We also analyze large classes of models that give rise to both compositeness and supersymmetry breaking, based on gauge theories with confining, fixed-point, or free-magnetic dynamics.

Physical Description

35 pages

Notes

INIS; OSTI as DE00836542

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  • Journal Name: Physical Review D; Journal Volume: 62; Journal Issue: 7; Other Information: Submitted to Physical Review D: Volume 62, No.7; Journal Publication Date: 10/01/2000

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  • Report No.: LBNL-42601
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 836542
  • Grant Number: PHY-95-14797
  • Archival Resource Key: ark:/67531/metadc783486

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  • December 9, 1998

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  • Dec. 3, 2015, 9:30 a.m.

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  • June 22, 2016, 6:33 p.m.

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Luty, Markus A. & Terning, John. Improved single sector supersymmetry breaking, article, December 9, 1998; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc783486/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.