Constrained Sypersymmetric Flipped SU (5) GUT Phenomenology

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We explore the phenomenology of the minimal supersymmetric flipped SU(5) GUT model (CFSU(5)), whose soft supersymmetry-breaking (SSB) mass parameters are constrained to be universal at some input scale, Min, above the GUT scale, M{sub GUT}. We analyze the parameter space of CFSU(5) assuming that the lightest supersymmetric particle (LSP) provides the cosmological cold dark matter, paying careful attention to the matching of parameters at the GUT scale. We first display some specific examples of the evolutions of the SSB parameters that exhibit some generic features. Specifically, we note that the relationship between the masses of the lightest neutralino {chi} and ... continued below

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24 pages

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Ellis, John; London, /CERN /King's Coll.; Mustafayev, Azar; /Minnesota U., Theor. Phys. Inst.; Olive, Keith A. & /Minnesota U., Theor. Phys. Inst. /Minnesota U. /Stanford U., Phys. Dept. /SLAC August 12, 2011.

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Description

We explore the phenomenology of the minimal supersymmetric flipped SU(5) GUT model (CFSU(5)), whose soft supersymmetry-breaking (SSB) mass parameters are constrained to be universal at some input scale, Min, above the GUT scale, M{sub GUT}. We analyze the parameter space of CFSU(5) assuming that the lightest supersymmetric particle (LSP) provides the cosmological cold dark matter, paying careful attention to the matching of parameters at the GUT scale. We first display some specific examples of the evolutions of the SSB parameters that exhibit some generic features. Specifically, we note that the relationship between the masses of the lightest neutralino {chi} and the lighter stau {tilde {tau}}{sub 1} is sensitive to M{sub in}, as is the relationship between m{sub {chi}} and the masses of the heavier Higgs bosons A,H. For these reasons, prominent features in generic (m{sub 1/2}, m{sub 0}) planes such as coannihilation strips and rapid-annihilation funnels are also sensitive to Min, as we illustrate for several cases with tan {beta} = 10 and 55. However, these features do not necessarily disappear at large Min, unlike the case in the minimal conventional SU(5) GUT. Our results are relatively insensitive to neutrino masses.

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24 pages

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  • Journal Name: Eur.Phys.J.C71:1689,2011; Journal Volume: 71; Journal Issue: 7

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  • Report No.: SLAC-PUB-14411
  • Grant Number: AC02-76SF00515
  • DOI: 10.1140/epjc/s10052-011-1689-z | External Link
  • Office of Scientific & Technical Information Report Number: 1022556
  • Archival Resource Key: ark:/67531/metadc846460

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 12, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 9, 2016, 9:12 p.m.

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Ellis, John; London, /CERN /King's Coll.; Mustafayev, Azar; /Minnesota U., Theor. Phys. Inst.; Olive, Keith A. & /Minnesota U., Theor. Phys. Inst. /Minnesota U. /Stanford U., Phys. Dept. /SLAC. Constrained Sypersymmetric Flipped SU (5) GUT Phenomenology, article, August 12, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc846460/: accessed January 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.