5D Super Yang-Mills Theory in 4D Superspace, Superfield Brane Operators, and Applications to Orbifold GUTs

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dc.creatorHebecker, A.
dc.date2001-12-17
dc.date2002-04-03
dc.date.accessioned2026-07-07T12:44:18Z
dc.date.available2026-07-07T12:44:18Z
dc.descriptionA manifestly gauge invariant formulation of 5-dimensional supersymmetric Yang-Mills theories in terms of 4d superfields is derived. It relies on a supersymmetry and gauge-covariant derivative operator in the $x^5$ direction. This formulation allows for a systematic study of higher-derivative operators by combining invariant 4d superfield expressions under the additional restriction of 5d Lorentz symmetry. In cases where the 5d theory is compactified on a gauge-symmetry-breaking orbifold, the formalism can be used for a simple discussion of possible brane operators invariant under the restricted symmetry of the fixed points. This is particularly relevant to recently constructed grand unified theories in higher dimensions (orbifold GUTs). Several applications, including proton decay operators and brane-localized mass terms, are discussed.
dc.description14 pages LaTeX, minor corrections, final version to appear in Nuclear Physics B
dc.identifierhttps://arxiv.org/abs/hep-ph/0112230
dc.identifierhttp://arxiv.org/abs/hep-ph/0112230
dc.identifierNucl.Phys.B632:101-113,2002
dc.identifierdoi:10.1016/S0550-3213(02)00253-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220724
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.title5D Super Yang-Mills Theory in 4D Superspace, Superfield Brane Operators, and Applications to Orbifold GUTs
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