Bulk Standard Model in the Randall-Sundrum Background

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dc.contributor.authorOkada, Nobuchika
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2019-05-22T15:20:32Z
dc.date.available2019-05-22T15:20:32Z
dc.date.issued2000-09-26
dc.description.abstractWe discuss issues in an attempt to put the standard model (SM) in five-dimensional anti–de Sitter spacetime compactified on S¹/Z₂. The recently proposed approach to the gauge hierarchy problem by using this background geometry, with the SM confined on a boundary, is extended to a situation where (some of) the SM particles reside in the five-dimensional bulk. In particular, we find a localization of zero modes of bulk fermions near the boundary with a negative tension. Unlike the compactification with the flat metric, these fermion zero modes couple to Kaluza-Klein (KK) excitations of the SM gauge bosons. Interestingly, only low-lying modes of such KK gauge bosons have non-negligible couplings. Current electroweak precision data give a constraint that the first KK mode be heavier than 9 TeV. We also argue that at least the Higgs field should be confined on the brane to utilize the Randall-Sundrum background as a solution to the gauge hierarchy.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5609
dc.languageEnglish
dc.language.isoen_US
dc.subjectGravity in more than four dimensions, Kaluza-Klein theory, unified field theories; alternative theories of gravity
dc.subjectField theories in dimensions other than four
dc.titleBulk Standard Model in the Randall-Sundrum Backgrounden_US
dc.typetext
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