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Moduli stabilization and supersymmetry breaking in deflected mirage mediation

Everett, Lisa L. and Kim, Ian-Woo and Ouyang, Peter and Zurek, Kathryn M. (2008) Moduli stabilization and supersymmetry breaking in deflected mirage mediation. Journal of High Energy Physics, 2008 (8). Art. No. 102. ISSN 1029-8479. doi:10.1088/1126-6708/2008/08/102.

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We present a model of supersymmetry breaking in which the contributions from gravity/modulus, anomaly, and gauge mediation are all comparable. We term this scenario "deflected mirage mediation'', which is a generalization of the KKLT-motivated mirage mediation scenario to include gauge mediated contributions. These contributions deflect the gaugino mass unification scale and alter the pattern of soft parameters at low energies. In some cases, this results in a gluino LSP and light stops; in other regions of parameter space, the LSP can be a well-tempered neutralino. We demonstrate explicitly that competitive gauge-mediated terms can naturally appear within phenomenological models based on the KKLT setup by addressing the stabilization of the gauge singlet field which is responsible for the masses of the messenger fields. For viable stabilization mechanisms, the relation between the gauge and anomaly contributions is identical in most cases to that of deflected anomaly mediation, despite the presence of the Kähler modulus. Turning to TeV scale phenomenology, we analyze the renormalization group evolution of the supersymmetry breaking terms and the resulting low energy mass spectra. The approach sets the stage for studies of such mixed scenarios of supersymmetry breaking at the LHC.

Item Type:Article
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Additional Information:© SISSA/ISAS 2008. Received: August 1, 2008. Accepted: August 18, 2008. Published: August 28, 2008. This work is supported by the U.S. Department of Energy grant DE-FG-02-95ER40896. P.O. is also supported in part by the NSF Career Award PHY-0348093 and a Cottrell Scholar Award from Research Corporation.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG-02-95ER40896
Cottrell Scholar of Research CorporationUNSPECIFIED
Subject Keywords:Supersymmetry Breaking, Supergravity Models, Supersymmetry Phenomenology
Issue or Number:8
Record Number:CaltechAUTHORS:20190611-125827713
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Official Citation:Lisa L. Everett et al JHEP08(2008)102
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96293
Deposited By: George Porter
Deposited On:12 Jun 2019 19:37
Last Modified:12 Jul 2022 19:46

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