Abelian Hidden Sectors at a GeV

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We discuss mechanisms for naturally generating GeV-scale hidden sectors in the context of weak-scale supersymmetry. Such low mass scales can arise when hidden sectors are more weakly coupled to supersymmetry breaking than the visible sector, as happens when supersymmetry breaking is communicated to the visible sector by gauge interactions under which the hidden sector is uncharged, or if the hidden sector is sequestered from gravity-mediated supersymmetry breaking. We study these mechanisms in detail in the context of gauge and gaugino mediation, and present specific models of Abelian GeV-scale hidden sectors. In particular, we discuss kinetic mixing of a U(1){sub x} ... continued below

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43 pages

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Morrissey, David E.; Poland, David; U., /Harvard; Zurek, Kathryn & U., /Fermilab /Michigan April 16, 2009.

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We discuss mechanisms for naturally generating GeV-scale hidden sectors in the context of weak-scale supersymmetry. Such low mass scales can arise when hidden sectors are more weakly coupled to supersymmetry breaking than the visible sector, as happens when supersymmetry breaking is communicated to the visible sector by gauge interactions under which the hidden sector is uncharged, or if the hidden sector is sequestered from gravity-mediated supersymmetry breaking. We study these mechanisms in detail in the context of gauge and gaugino mediation, and present specific models of Abelian GeV-scale hidden sectors. In particular, we discuss kinetic mixing of a U(1){sub x} gauge force with hypercharge, singlets or bi-fundamentals which couple to both sectors, and additional loop effects. Finally, we investigate the possible relevance of such sectors for dark matter phenomenology, as well as for low- and high-energy collider searches.

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43 pages

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  • Report No.: FERMILAB-PUB-09-315-T
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 959060
  • Archival Resource Key: ark:/67531/metadc935325

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  • April 16, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 22, 2016, 2:21 p.m.

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Morrissey, David E.; Poland, David; U., /Harvard; Zurek, Kathryn & U., /Fermilab /Michigan. Abelian Hidden Sectors at a GeV, article, April 16, 2009; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc935325/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.