Deconstruction and Elastic pi pi Scattering in Higgsless Models

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dc.creatorChivukula, R. Sekhar
dc.creatorHe, Hong-Jian
dc.creatorKurachi, Masafumi
dc.creatorSimmons, Elizabeth H.
dc.creatorTanabashi, Masaharu
dc.date2006-12-06
dc.date2007-01-09
dc.date.accessioned2026-07-07T11:58:56Z
dc.date.available2026-07-07T11:58:56Z
dc.descriptionWe study elastic pion-pion scattering in global linear moose models and apply the results to a variety of Higgsless models in flat and AdS space using the Equivalence Theorem. In order to connect the global moose to Higgsless models, we first introduce a block-spin transformation which corresponds, in the continuum, to the freedom to perform coordinate transformations in the Higgsless model. We show that it is possible to make an "f-flat" deconstruction in which all of the f-constants f_j of the linear moose model are identical; the phenomenologically relevant f-flat models are those in which the coupling constants of the groups at either end of the moose are small - corresponding to the global linear moose. In studying pion-pion scattering, we derive various sum rules, including one analogous to the KSRF relation, and use them in evaluating the low-energy and high-energy forms of the leading elastic partial wave scattering amplitudes. We obtain elastic unitarity bounds as a function of the mass of the lightest KK mode and discuss their physical significance.
dc.description33 pages, JHEP3. Minor typos corrected
dc.identifierhttps://arxiv.org/abs/hep-ph/0612070
dc.identifierhttp://arxiv.org/abs/hep-ph/0612070
dc.identifierPhys.Rev.D75:035005,2007
dc.identifierdoi:10.1103/PhysRevD.75.035005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206395
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDeconstruction and Elastic pi pi Scattering in Higgsless Models
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