Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector

dc.contributor.areaPhysicsen_US
dc.contributor.authorItoh, Hideoen_US
dc.contributor.authorOkada, Nobuchikaen_US
dc.contributor.authorYamashita, Toshifumien_US
dc.contributor.departmentElementary Particle Theoryen_US
dc.date.accessioned2006-06-20T08:59:51Zen_US
dc.date.accessioned2011-09-07T20:27:35Z
dc.date.available2006-06-20T08:59:51Zen_US
dc.date.available2011-09-07T20:27:35Z
dc.date.issued2006-06-20T08:59:51Zen_US
dc.description.abstractWe propose a scenario of gravity mediated supersymmetry breaking (gravity mediation) in a supersymmetric Randall-Sundrum model. In our setup, both of the visible sector and the hidden sector co-exist on the infrared (IR) brane. We introduce the Polonyi model as a simple hidden sector. Due to the warped metric, the effective cutoff scale on the IR brane is ``warped down'', so that the gravity mediation occurs at a low scale. As a result, the gravitino is naturally the lightest superpartner (LSP) and contact interactions between the hidden and the visible sector fields become stronger. We address phenomenologies for various IR cutoff scales. In particular, we investigate collider phenomenology involving a scalar field (Polonyi field) in the hidden sector for the case with the IR cutoff around 10 TeV. We find a possibility that the hidden sector scalar can be produced at the LHC and the International Linear Collider (ILC). Interestingly, the scalar behaves like the Higgs boson of the standard model in the production process, while its decay process is quite different and, once produced, it will provide us with a very clean signature. The hidden sector may be no longer hidden.en_US
dc.format.extent292456 bytesen_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationPhys. Rev. D 74 (2006) 055005en_US
dc.identifier.urihttps://openscience.sissa.it/handle/1963/1841en_US
dc.language.isoen_USen_US
dc.relation.ispartofseriesSISSA;33/2006/EPen_US
dc.relation.ispartofseriesarXiv.org;hep-ph/0606156en_US
dc.relation.uri10.1103/PhysRevD.74.055005en_US
dc.titleLow scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sectoren_US
dc.typePreprinten_US
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