Metastable Supersymmetry Breaking and Multitrace Deformations of SQCD

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Metastable vacua in supersymmetric QCD in the presence of single and multitrace deformations of the superpotential are explored, with the aim of obtaining an acceptable phenomenology. The metastable vacua appear at one loop, have a broken R-symmetry, and a magnetic gauge group that is completely Higgsed. With only a single trace deformation, the adjoint fermions from the meson superfield are approximately massless at one loop, even though they are massive at tree level and R-symmetry is broken. Consequently, if charged under the standard model, they are unacceptably light. A multitrace quadratic deformation generates fermion masses proportional to the deformation parameter. ... continued below

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33 pages

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Essig, Rouven; /SLAC; Fortin, Jean-Francois; /Rutgers U., Piscataway; Sinha, Kuver; A-M, /Texas et al. February 23, 2009.

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Metastable vacua in supersymmetric QCD in the presence of single and multitrace deformations of the superpotential are explored, with the aim of obtaining an acceptable phenomenology. The metastable vacua appear at one loop, have a broken R-symmetry, and a magnetic gauge group that is completely Higgsed. With only a single trace deformation, the adjoint fermions from the meson superfield are approximately massless at one loop, even though they are massive at tree level and R-symmetry is broken. Consequently, if charged under the standard model, they are unacceptably light. A multitrace quadratic deformation generates fermion masses proportional to the deformation parameter. Phenomenologically viable models of direct gauge mediation can then be obtained, and some of their features are discussed.

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33 pages

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  • Journal Name: JHEP 0903:043,2009

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  • Report No.: SLAC-PUB-13467
  • Grant Number: AC02-76SF00515
  • DOI: 10.1088/1126-6708/2009/03/043 | External Link
  • Office of Scientific & Technical Information Report Number: 948492
  • Archival Resource Key: ark:/67531/metadc899746

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  • February 23, 2009

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 8, 2016, 8:40 p.m.

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Essig, Rouven; /SLAC; Fortin, Jean-Francois; /Rutgers U., Piscataway; Sinha, Kuver; A-M, /Texas et al. Metastable Supersymmetry Breaking and Multitrace Deformations of SQCD, article, February 23, 2009; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc899746/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.