Sequestered gravity in gauge mediation

Ignatios Antoniadis

doi:10.1140/epjc/s10052-016-4192-8

2016-07-01

Ignatios Antoniadis

Karim Benakli *

M. Quirós

DOI：10.1140/epjc/s10052-016-4192-8

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摘要

En 中文

We present a novel mechanism of supersymmetry breaking embeddable in string theory and simultaneously sharing the main advantages of (sequestered) gravity and gauge mediation. It is driven by a Scherk-Schwarz deformation along a compact extra dimension, transverse to a brane stack supporting the supersymmetric extension of the Standard Model. This fixes the magnitude of the gravitino mass, together with that of the gauginos of a bulk gauge group, at a scale as high as 10(10) GeV. Supersymmetry breaking is mediated to the observable sector dominantly by gauge interactions usingmassive messengers transforming non-trivially under the bulk and Standard Model gauge groups and leading to a neutralino LSP as dark matter candidate. The Higgsino mass mu and soft Higgs-bilinear B mu term could be generated at the same order of magnitude as the other soft terms by effective supergravity couplings as in the Giudice-Masiero mechanism.

Keyword:

SUPERSYMMETRY BREAKING

SUPERGRAVITY

CONSTRAINTS

MASSES

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期刊

European Physical Journal C

IF:

4.8

论文数:

1.8W

被引数:

4.7W

机构

centre national de la recherche scientifique (cnrs)

学者数:

24.5W

论文数: 18.2W

被引数: 279

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